Alameda – Tree Service

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  • Areas Served | Services | Key Brands
(925) 201-6321
(925) 338-7470

Serving Alameda and Contra Costa Counties including Lamorinda, Concord, Pleasant Hill, Walnut Creek, Danville, San Ramon & Dublin

Services include Hazardous Tree Removal, Structural Pruning, Stump Grinding, Tree Removal, Trimming & Shaping, Yard Clean-Up. Brands include Bandit, Freightliner Trucks, Stihl.
License 918146 | DCID9254492087
(510) 747-8986
(925) 386-6983
(650) 530-0974
(408) 782-4952

Serving the East Bay, Peninsula and Tri-Valley Area

Services include Fine Garden Pruning, Tree & Stump Removal, Tree Diagnosis & Treatment, Tree Trimming, Treescape Consulting. Brands include .
License 703538 | DCID5107906422
(866) 936-8733
(510) 651-8733

Serving the Greater Bay Area

Services include Fertilizing, Full-Service Tree Care: Consulting, Insect & Disease Control, Planting & Transplanting, Pruning, Removal, Soil Analysis & Therapy, Stump Grinding. Brands include .
License 879506 |

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Researched Articles
Why Trust Diamond Certified Tree Service Companies Rated Highest in Quality?

A tree maintained by a Diamond Certified tree service professional. You'll feel confident hiring one of the tree service companies listed above because each has been rated Highest in Quality and has earned Diamond Certified. For more information on how to choose and work with a Diamond Certified tree service tree company in Alameda County, read the following articles. Photo: Best Tree Service (2014)

You are the customer. If your goal is to choose a tree service that will deliver high customer satisfaction and quality, you’ll feel confident in choosing a Diamond Certified tree maintenance service. Each has been rated Highest in Quality in the most accurate ratings process anywhere. And you’re always backed by the Diamond Certified Performance Guarantee. Here’s why the Diamond Certified ratings and certification process will help you find a top-rated tree service and is unparalleled in its accuracy, rigor and usefulness:

1) Accuracy: All research is performed by live telephone interviews that verify only real customers are surveyed, so you'll never be fooled by fake reviews.

2) Statistical Reliability: A large random sample of past customers is surveyed on an ongoing basis so the research results you see truly reflect a Diamond Certified company’s top-rated status.

3) Full Disclosure: By clicking the name of a company above you'll see the exact rating results in charts and read verbatim survey responses as well as researched articles on each qualified company.

4) Guaranteed: Your purchase is backed up with mediation and the Diamond Certified Performance Guarantee, so you can choose with confidence.

Click on the name of a Diamond Certified company above to read ratings results, researched articles and verbatim customer survey responses to help you make an informed decision.

More than 200,000 customers of local companies have been interviewed in live telephone calls, and only companies that score Highest in Quality in customer satisfaction–a 90+ on a 100 scale–as well as pass all of the credential-based ratings earn Diamond Certified. By requiring such a high score to qualify, the Diamond Certified program eliminates mediocre and poorly performing companies. Read detailed information about the ratings and certification process.

How to Choose
How to Select the Best Tree Services in Alameda County
Due to the dangerous nature of tree work, it's crucial to hire a seasoned professional. Photo: ArborWorks, Inc. (2014)

When you first moved into your home in Alameda County, you were happy about the luscious trees in the landscape design. You imagined these trees furnishing privacy from your neighbors, with their serene beauty bringing serenity. What you did not imagine was overgrown branches, and having diseased or trees with pest infestations.

You may also not have understood the amount of tree pruning and tree maintenance needed. Perhaps you have decided to plant a garden, and now you need a tree removed. Who do you call in for tree pruning services or tree removal?
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When you first moved into your home in Alameda County, you were happy about the luscious trees in the landscape design. You imagined these trees furnishing privacy from your neighbors, with their serene beauty bringing serenity. What you did not imagine was overgrown branches, and having diseased or trees with pest infestations.

You may also not have understood the amount of tree pruning and tree maintenance needed. Perhaps you have decided to plant a garden, and now you need a tree removed. Who do you call in for tree pruning services or tree removal?

And what questions would you ask when trying to find a tree service in Alameda County to meet your tree care needs?

Read on for informational articles that will help you make a wise decision.

Important Factors to Consider When Choosing a Tree Service in Alameda County
It is essential to ensure a tree service in Alameda County will have the proper licensing, liability insurance, and workers' compensation for their employees. It is wise to verify their insurance information is also legitimate with their insurance agent yourself.

If you chose an Alameda County tree care service in Oakland, Fremont, Hayward, Berkeley or your area, without looking into their liability insurance or workers' compensation, you could risk financial danger. If there were an mishap that damaged your property or an injured a tree worker, you would likely be held liable.

Arborists in Alameda County should be certified with the International Society of Arboriculture, or ISA. They must first qualify for the ISA certification exam by having at least 3 years of experience in tree work, or a degree in Arboriculture or Horticulture.

In addition, you will want to call several past customers for references of local  tree services. This is especially true if you are unable to use a Diamond Certified company for tree work.

Does this seem like a lot of leg work to check out so many items before hiring a tree trimmer?Keep in mind that if you select a tree care company without doing the research, it may end up costing you more time and money later.

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Know What You Want
What to Ask Yourself When Looking for Tree Services in Alameda County

So you know you need tree work accomplished, but do you know what type of tree company you want to utilize? There are many professional tree service companies out there to choose from, so you'll have to do a little work first to narrow them down.

Ask yourself what kind of business you want rendering your tree services....

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So you know you need tree work accomplished, but do you know what type of tree company you want to utilize? There are many professional tree service companies out there to choose from, so you'll have to do a little work first to narrow them down.

Ask yourself what kind of business you want rendering your tree services.

  • Do I want a Diamond Certified company that is rated best in quality and backed by the Diamond Certified Guarantee?
  • Do I want a tree service in Alameda County that is well qualified and experienced?
  • Have I done my research on the types of tree services performed and what tree work entails?
  • If I am unable to use a Diamond Certified tree service, am I willing to do research on my own that could be time consuming (but could save time and money in the long run)?
  • Do I have time to check references, verify their licensing, ISA certifications, insurance, and workers' compensation, as well as check for any complaints against the company?
  • Do I have the right budget for securing tree care from an experienced and qualified professional tree service in Alameda County?

If you are ready to seek out a tree company, you need to start your research on tree services in Alameda County. Whether you are in Union City, Pleasanton, Newark or another area, you can chose with confidence by using a Diamond Certified tree service. If you are unable to use one of the Diamond Certified tree removal companies, this is where it is most important to conduct your research.

The types of tree care services offered in Alameda County may differ by company. They typically offer services such as insect spraying, fertilization, tree removal, stump grinding, cabling and bracing, pruning, cavity filling or other tree services. You will want narrow down the type of tree services you may need, and seek out companies that cater to your specific tree service needs.

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What to Ask on the Phone
Questions to Ask Tree Care Companies in Alameda County Over the Phone

After you have checked their references and insurance, now you will interview these tree services to find the best fit.

Always be very specific about your tree care needs when speaking with a company. Ask for an estimate in writing, and let them know you are shopping around with other tree care services in Alameda County. They will usually need to see the work prior to give you a quote. Perhaps you need an apple tree pruned or tree pest control services provided. You may also want an old tree removed so you can plant a garden....

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After you have checked their references and insurance, now you will interview these tree services to find the best fit.

Always be very specific about your tree care needs when speaking with a company. Ask for an estimate in writing, and let them know you are shopping around with other tree care services in Alameda County. They will usually need to see the work prior to give you a quote. Perhaps you need an apple tree pruned or tree pest control services provided. You may also want an old tree removed so you can plant a garden.

In any case, let the tree care companies you're considering know all of the services you will need for the most accurate estimates for tree care in Alameda County.

So what questions should you ask a tree service over the phone?

Start with these:

  • Has your tree care company earned and retained a Diamond Certified rating?
  • Are you current on your contractor's license, as well as liability insurance and worker's compensation (ask for proof of insurance and license information).
  • Do you have liability insurance specifically for performing tree work?
  • Are you an ISA Certified Arborist? For how long have you held this certification?
  • How much tree care experience do you have as an arborist? How experienced is your staff?
  • In what specific types of tree care services are you most experienced?
  • Will you provide a detailed written estimate of the work I am requesting completed?
  • Will you provide a list of your more recent customers to check references for your tree care services (Don't forget to check these references)?
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What to Ask in Person
What to Ask When Meeting with Local Tree Care Companies
A knowledgeable tree service professional will be able to answer your questions. Photo: Graham Tree Service Inc. (2014)

After your phone interviews of tree services in Alameda County, meet with the companies you are considering in person. Local tree care companies should have very specialized equipment to handle all your tree care needs. They should be able to provide services such as repairing tree damage from storms, as well as view restoration by eliminating tree overgrowth.
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After your phone interviews of tree services in Alameda County, meet with the companies you are considering in person. Local tree care companies should have very specialized equipment to handle all your tree care needs. They should be able to provide services such as repairing tree damage from storms, as well as view restoration by eliminating tree overgrowth.

Be sure to inform them exactly what you want accomplished from a tree service. Make sure you take particular notes of a certified arborist's answers to your questions. This is especially true if you have more complex tree care needs. Let the tree service know whether you plan to use an arborist in the long term.

As a potential customer for a tree service, your arborist or tree trimmers should get to know your individual tree care needs so they can recommend the best services.

Questions to ask tree care services in person:

  • What types of tree care equipment do you use?
  • Do you use tree spikes or lifts to climb trees? (Keep in mind that tree spikes may harm trees.)
  • How knowledgeable are your employees with working around electrical and other hazardous wiring?
  • Is clean up after tree services included? Of what does your tree clean up consist and when will you complete the clean up work?
  • Will I be supplying the water for you to provide tree services (a potential hidden cost if they do not provide this)?
  • How long do you approximate my tree care services will last until completion?
  • After you complete tree removal, will you also grind the stump? Is there an additional cost for stump grinding service?
  • Do you provide tree services such as storm damage removal or wind damage repair to trees in Alameda County?
  • After seeing the tree services I want executed, what precisely is included in this price estimate?
  • Will you utilize a written contract for my tree care services?
  • What are the terms of your written contract for tree services in Alameda County?
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What to Ask References
Questions to Inquire of References of Tree Services in Alameda County

It’s best to choose a Diamond Certified tree care service because all certified companies have passed an in-depth ratings process that most other companies can’t pass. If you want quality from a tree care service in Alameda County, you can have confidence choosing a Diamond Certified company.

Diamond Certified reports are available online for all certified companies. And you’ll never be fooled by fake reviews. That’s because all research is performed in live telephone interviews of actual customers.
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It’s best to choose a Diamond Certified tree care service because all certified companies have passed an in-depth ratings process that most other companies can’t pass. If you want quality from a tree care service in Alameda County, you can have confidence choosing a Diamond Certified company.

Diamond Certified reports are available online for all certified companies. And you’ll never be fooled by fake reviews. That’s because all research is performed in live telephone interviews of actual customers.

If you can’t find a Diamond Certified tree care service company within reach, you’ll have to do some research on your own. If you do call references on your own, specifically ask for a list of the company’s 10 most recent customers. This will help avert giving you references of only customers they know were satisfied. If you do, it’s wise to call some references provided by your tree care service.
Keep in mind, though, that references provided to you by the tree care company are not equal in value to the large random sample of customers surveyed during the Diamond Certified ratings process. That’s because references given to customers from companies are cherry-picked instead of randomly selected from all their customers.

Here are some questions you can ask tree service references in Alameda County:

  • What is your total satisfaction level of the service you received from this tree care company?
  • What tree services were provided for you?
  • What reasons were you satisfied or not satisfied with the tree care services you obtained?
  • Do you think you would call this company again for your tree care in Alameda County?
  • Were they friendly and professional throughout your interactions with this tree care company?
  • Did they pressure you into any tree care services you did not want?
  • Did they remove trash and debris before they left?
  • Did they make you aware of special accommodations needed prior to completing their work, such as moving vehicles out of their way?
  • Were they easy to work with while they performed tree care services at your home?
  • Did your final price for tree services reflect the original estimate you were given? Why or why not? Were there any hidden costs that on your final invoice?
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Review Your Options
Hire Good Tree Care Companies in Alameda County
The Diamond Certified symbol has been awarded to companies that scored Highest in Quality in an accurate ratings process.

Review your choice of Alameda County tree services after interviewing and narrowing down what companies you may choose. Now would also be a good time to verify a tree service's information such as contractor licensing, insurance and liability.

Also verify for yourself if they are an ISA certified arborist, and their state contractor's license. Are they a Diamond Rated company, or do they have any complaints with the state licensing if they are not Diamond Certified?
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Review your choice of Alameda County tree services after interviewing and narrowing down what companies you may choose. Now would also be a good time to verify a tree service's information such as contractor licensing, insurance and liability.

Also verify for yourself if they are an ISA certified arborist, and their state contractor's license. Are they a Diamond Rated company, or do they have any complaints with the state licensing if they are not Diamond Certified?

Before deciding on the best tree care service in Alameda County for you, it’s important to consider the following questions.

  • Whether you are looking for tree trimming, tree cabling, tree removal, or tree maintenance, are you able to communicate your needs with the company?
  • Is there any tree service in Alameda County pressuring you into tree services you do not need?
  • Would a full-service tree care company be preferred to a part-time tree care service? (A full-service company will likely be better trained and equipped.)
  • Is there a tree service in Alameda County that expressed they wish to take care of your tree needs long-term with your best interests in mind?
  • Are you only seeking a fix to an isolated tree problem?
  • Have you verified all insurance and liability (including specifically tree service liability) as well as licensing, training, ISA certification, and tree care service experience?
  • Have you checked with the Contractor's State Licensing Board of California (CSLB)?
  • Are they a Diamond Certified tree service? If they are not Diamond Certified, do they have any complaints against them with the CSLB?

If you are confident in the answers to these questions, proceed with making the decision to hire a professional tree service company.

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How to Work With
Hiring the Best Tree Service in Alameda County

Congratulations on selecting the tree service in Alameda County that meets your needs. Know that in the long term, good tree care will be an investment in your Alameda County home.

Make sure you have everything in writing with very detailed descriptions of the tree care work to be performed to help avoid misunderstandings. Have them give you a start date and estimated time for completion.
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Congratulations on selecting the tree service in Alameda County that meets your needs. Know that in the long term, good tree care will be an investment in your Alameda County home.

Make sure you have everything in writing with very detailed descriptions of the tree care work to be performed to help avoid misunderstandings. Have them give you a start date and estimated time for completion.

Ask if tree services will be completed in several days or if it will be completed in one day? Have them notify you in advance of any additional costs that were unforeseen in your original estimate.

Now That You've Found a Tree Care Company in Alameda County
You got a written estimate based on the tree services you asked to have completed. Of course, unforeseen problems may come up. Ask for any changes of cost in writing. Let them know that you must agree to the extra costs prior to completing tree services.

Verification of their insurance and workers' compensation is critical, do not just take their word. You could be held liable for any damages to your home, a neighbor's home, or any injury to tree care workers.
Ask if there is an extra charge for travel from a tree service to complete tree care in your area. Sign the contract (if applicable) and do a walk-through with the senior contractor overseeing your tree work before it begins.

Ways to Make Tree Care Work Go More Smoothly
Understand that with tree care work, there may be extra noise and debris while the tree service completes your work. Make sure not to get very close while they are completing the work, as this could be a safety hazard.

Ask your tree care professional what is a safe distance for you and your family to keep from the work being completed. Only talk to a tree care worker when they are safely on the ground. It is important to keep any pets out of the way of tree care work and to keep your windows and doors closed as much as possible. This will help avoid dust and debris from tree work getting inside your home.

Also keep any pets out of harm's way.

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Be a Good Customer
How Can You Be a Good Alameda County Tree Service Customer?

It's the tree care company's responsibility to put in quality work into tree services using the best possible techniques. You also play a big part in the success of your tree care service. Familiarizing yourself with local laws on tree service contractors will help you.

Why would you want to be a good customer? Everyone appreciates a pleasant customer. Tree care professionals appreciate customers who are straightforward, honest and easy to work with. Your good customer behavior sets the tone from your end and creates an environment conducive to a good relationship....

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It's the tree care company's responsibility to put in quality work into tree services using the best possible techniques. You also play a big part in the success of your tree care service. Familiarizing yourself with local laws on tree service contractors will help you.

Why would you want to be a good customer? Everyone appreciates a pleasant customer. Tree care professionals appreciate customers who are straightforward, honest and easy to work with. Your good customer behavior sets the tone from your end and creates an environment conducive to a good relationship.

Things may very well go smoother and any problems may be more easily resolved.

Here are some simple steps you can take to be a good customer of a professional tree service in Alameda County:

  • Be upfront with the tree care service you choose. Let them know what you want from your tree service, the long-term outcome you desire, and how they can fulfill your expectations.
  • Before you hire a tree service in Alameda County, restate to the tree care representative your understanding of the agreement. Most problems with local professional tree services occur because of a breakdown in communication. By being clear about your expectations and theirs, you can avoid most conflicts.
  • When working with your tree care professional, ask if you should call to check on the progress of your tree work.
  • Be sure your tree service contractor has a phone number where they can always reach you while they’re performing tree work in Alameda County.
  • When your contractor calls you, always return calls promptly to keep your tree services on schedule.
  • Remember that being polite and keeping a friendly smile will go a long way!
  • Pay for all tree care work promptly.
  • Building a good rapport with your tree care service company will help aid in the process, since communication is crucial to having your specific tree care needs understood. This is especially true if you will need care over the life of your trees.

Ideally you will want to use the same company for tree services once you find a good company. Whether you need tree pruning or tree fertilization, they should get to know your tree service needs specifically. This way the company can make recommendations for future tree care work to keep your home beautiful for years to come.

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Check the Work
Check the Tree Care Services Against Your Invoice
Following the job's completion, verify that the invoice reflects the work performed. Photo: Ponderosa Tree Service (2014)

Always make sure to check that all of the work your tree service agreed to in the contract was completed as agreed upon and completed to your satisfaction.

If the tree service you hired agreed to do all clean up work after providing tree services, make sure your yard was left clean.

A standard invoice should include the following:...

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Always make sure to check that all of the work your tree service agreed to in the contract was completed as agreed upon and completed to your satisfaction.

If the tree service you hired agreed to do all clean up work after providing tree services, make sure your yard was left clean.

A standard invoice should include the following:

  • At minimum it should include the tree care company's name, address and telephone number, and their license number.
  • An itemized list of all work performed, and will ideally include specific descriptions of the work done.
  • An itemized cost with a break-down of both labor and materials cost.
  • The invoice should also include the start date, projected completion date or possibly a guaranteed end date. There may be a clause for some delays that are excusable such as inclement weather.
  • If they offer a satisfaction guarantee, has all of the work been completed to your 100% satisfaction?
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Written Warranties
Ask for Written Warranties for All Tree Services in Alameda County

Some Alameda County tree services may provide you with a warranty on their tree work.

  • If you received tree services, did they provide you with a written warranty? What does this written warranty guarantee?
  • If the Alameda County tree service planted trees or performed tree pruning and maintenance, do they guarantee anything regarding to the health of your trees?
  • Always make sure you understand the terms of any tree service warranty if one is provided.
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Some Alameda County tree services may provide you with a warranty on their tree work.

  • If you received tree services, did they provide you with a written warranty? What does this written warranty guarantee?
  • If the Alameda County tree service planted trees or performed tree pruning and maintenance, do they guarantee anything regarding to the health of your trees?
  • Always make sure you understand the terms of any tree service warranty if one is provided.
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Top 10 Requests
Top Service Requests for Local Tree Trimming Companies

Chances are you are unsure what tree services you require of tree care companies in Alameda County.

Here are some common tree care services and common tree problems where professional tree companies and certified arborists can assist:

Tree Bracing and Tree Cabling
Helps to provide extra support to strengthen a tree that may be weak and have limbs that may break. Without correcting a specific tree weakness, you may risk injury or property damage. This is especially problematic when there are storms....

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Chances are you are unsure what tree services you require of tree care companies in Alameda County.

Here are some common tree care services and common tree problems where professional tree companies and certified arborists can assist:

Tree Bracing and Tree Cabling
Helps to provide extra support to strengthen a tree that may be weak and have limbs that may break. Without correcting a specific tree weakness, you may risk injury or property damage. This is especially problematic when there are storms.

Dead Branches in Trees
A common tree issue which should be removed to increase tree health. This will also avoid property damage and injury, as dead branches are more susceptible to storm damage. You don't want a dead tree limb or dead tree branch to fall on a car, break a window, or cause other structural damage.

Diseases in Trees
Often times tree disease is the result of a deficiency of nutrition in trees. Tree disease can range from leaf discoloration, to excess bark peeling, to insect infestations.

Leaning Tree Repair
If your tall tree leans at a noticeable angle, this could be a hazard if there are strong winds during storms. Leaning trees should be corrected by a professional tree service to avoid property damage or personal injuries.

Mushroom or Fungus Growth in Trees
This can happen around the base of the tree, which is a sign of tree decay. There is rotting wood in roots of trees, which means your tree is dying. A well trained arborist can assess your tree and recommend a solution.

Preventative Tree Care
Trees need proper light, pruning, and food to help it achieve a pleasing tree shape and to live longer. This includes Tree Fertilizers, which will increase the overall health and nutrition of your trees. There are many organic and conventional fertilizers for trees that your Alameda County Tree Service can provide.

Raised Earth Around Base of Tree
This can mean your tree is beginning to uproot from the ground. This could be dangerous if a strong storm came through to further uproot your tree. Many of us have seen photos of a tree that crashed on a vehicle or a tree that fell on a house.

Solar Enhancement Services
Solar Enhancement completed by professional arborists in Alameda County will ensure there is sufficient light for solar panels to function adequately. If your home has solar panels in Oakland, you will see improved solar functionality by reducing the amount of shade from trees.

Tree Planting Services
Perhaps you wish to plant decorative trees, fruit trees or citrus trees. Either way, consulting a professional tree service will assist you with tree planting in Alameda County.

View Restoration
This can include tree thinning, which creates beautiful filtered views by removing dead wood on trees. They may also perform “windowing” which creates additional open space, similar to a window's function in your home.

 

Top Products for Tree Care Services in Alameda County
Your Alameda County Tree Care Professional may use a number of different products and tools to care for your trees. Here are a few things to expect they may use when performing tree care services.

Climbing Line or Climbing Rope
These should meet all ANSI safety standards, and will assist a professional arborist with safely climbing trees.

Miracle-Gro
Fertilizer and other products from this brand may be used in caring for your trees.

STIHL Professional Chainsaws and Other Professional Grade Tree Equipment
STIHL professional chainsaws can be used by a Alameda County Tree Service to trim trees, clear utility line areas, or for other tree shaping and tree pruning.

Electric Pole Chainsaw
These are used as an alternate way for trimming trees. Instead of climbing a ladder to the top of your tree, chainsaw in hand

Rigging Line
Not to be confused with a climbing rope, this assists tree stability by connecting them to stationary objects.

Tree Cabling Tools
This is a very specialized tree service skill, which requires the use of eye lags, extra strength cable, and bracing equipment such as a course threaded rod.

Tree Saver Straps
These should be used when a tree rigging line is put into place. They will help avoid damage to bark while tree work is being performed.

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If Things Go Wrong
Tree Trimming Services Backed By the Diamond Certified Performance Guarantee

Diamond Certified tree contractors are backed by the Diamond Certified Performance Guarantee. If the Alameda County tree care company you’ve hired is Diamond Certified and you can’t resolve the issue by talking with the owner, contact the mediation department at info@diamondcertified.org or call 800-738-1138.

Easy Ways To End Conflict with Alameda County Tree Services...

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Diamond Certified tree contractors are backed by the Diamond Certified Performance Guarantee. If the Alameda County tree care company you’ve hired is Diamond Certified and you can’t resolve the issue by talking with the owner, contact the mediation department at info@diamondcertified.org or call 800-738-1138.

Easy Ways To End Conflict with Alameda County Tree Services

  • First, identify what the specific problem is with your tree service. Speak with the owner or senior contractor of the tree service company when an issue first arises.
  • Remember to be polite, even when you are discontent with your tree service.
  • Explain exactly what is the problem, and how you would like it solved (within reason).
  • Photographs of your trees may be useful if tree service workers further damaged your trees (may need before and after photos).
  • Know your rights as a consumer. If your concerns are not resolved in a timely manner, consult the California Department of Consumer Affairs. Familiarize yourself laws that pertain to contractors and tree services in Alameda County.
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Glossary of Terms
Glossary of Tree Care Terms
Professional tree trimming, tree pruning and tree clean up services.
Tree removal and fallen tree cleanup services including stump grinding and wood chipping. Photo: Treemasters (2012)

Following are some common terms used in the tree service industry. This will help you when talking to a local arborist or tree service who is using industry terms you may not know.

ANSI 3000
American National Standards Institute, the national organization that sets standards for tree trimmers, tree services and arborists.

ANSI Z133.1
American National Standards Institute safety standard for tree care....

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Following are some common terms used in the tree service industry. This will help you when talking to a local arborist or tree service who is using industry terms you may not know.

ANSI 3000
American National Standards Institute, the national organization that sets standards for tree trimmers, tree services and arborists.

ANSI Z133.1
American National Standards Institute safety standard for tree care.

antitranspirant
A chemical that is applied to cut back water loss through stems and leaves on trees.

Also known as antidesiccants

arborist
The cultivation and management of trees which focuses on the health and safety of trees.

Also known as: Arboriculture

backfill
Refilling a hole around the roots with dirt, often happens during transplanting.

bark
The protective outer layer on trunks, branches and twigs.

bracing
Creating extra support for a tree with structural defects by limiting movement of tree branches using steel cables, wire rods, and clamps.

branch
The division of a stem, or a secondary stem, attached to a primary part of the tree.

bolting
The use of a ¼ inc threaded steel, used to support cracked, splitting, or debilitated joints of a tree.

buttress root
A large root that forms at ground level of a tree.

cabling
A method of structural support for weak tree joints. An extra strength cable is used to support the tree. There is a hole drilled into each main branch, into which a two eye-bolts are used to help keep a tree from splitting apart. Often preferable to bracing or used in conjunction with tree bracing.

canopy
The top or crown of a tree, which is formed by all the branches and leaves together.

canopy raising
Used to assist in creating a symmetrical tree by taking away lower lateral limbs.

crown
All branches and foliage of a tree above the ground

crown thinning
Removing selected tree branches in order to facilitate sunlight penetration and reducing weight of strained branches.

crown restoration
Used to renew health and structure to a damaged tree

deadwood
Removal of dying, diseased, or already dead branches.

deciduous
Trees or shrubs that shed their leaves seasonally.

drop cut
A second cut in a three-cut procedure of take away a branch.

eye lags
Screws thread eye bolts used in cabling and bracing.

Also known as: eye bolts

hardiness
A tree or other plant's ability to tolerate cold or warm temperatures.

lateral root
A root that extends off of the main root.

liability
Having the legal responsibility for financial costs related with cost to repair casualty.

mature tree
A tree that has reached about 3/4 of its full growth.

pesticide (conventional)
Created for destroying or repelling a pest. Synthetic or man-made chemicals. Can be damaging to the soil.

pesticide (organic)
Less refined, naturally occurring products that often contain natural resistance to insects and other pests. Generally less harmful to people and the environment.

plant health care
A tree maintenance system that aims to be preventative or proactive in tree care. Includes fertilization, protection from tree diseases or tree infestation troubles, and ensuring satisfactory water and soil conditions.

Also known as: tree maintenance

stump grinding
A power tool with high-speed disk that rotates in order to chip a stump into smaller pieces for removal.

Also known as: stump cutter

tree pruning
Removing certain branches, roots, or buds of a tree. Used to maintain or improve health of trees, improving flower or fruit output, and helping them become more aesthetically pleasing.

Also known as: tree trimming

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Frequently Asked Questions
FAQ About Tree Care Services

Q: Why Choose a Diamond Certified tree service?...

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Q: Why Choose a Diamond Certified tree service?
A: Diamond Certified helps you choose a tree service with confidence by offering a list of top-rated local companies who have passed the country’s most in-depth rating process. Only local tree services rated Highest in Quality earn the prestigious Diamond Certified award. Most companies can’t pass the ratings. American Ratings Corporation also monitors every Diamond Certified company with ongoing research and ratings. And your purchase is backed by the Diamond Certified Performance Guarantee. So you’ll feel confident choosing a Diamond Certified tree contractor

Q: Why should I commit extra effort into tree care?
A: Trees have long been valued for their aesthetically pleasing qualities, which in turn can increase the value of your home. Trees can increase your home's worth by up to 25%, depending on placement, health, size of trees, and variety. You should protect your trees with proper tree care services.

Q: Do I really need to water trees?
A: For the most part, trees need to be watered more often when they are young and growing. However, this changes if you are having drought conditions in your area. With normal rainfall levels, the main exception to this would be trees that were not suitable for your local environment.

Q: What does pruning do for trees?
A: It helps your trees stay healthier, especially as young trees grow and mature. It promotes good branch structure, that could otherwise lead to an early death of your tree.

Q: Do arborists prune trees to specific standards?
A: All arborists should follow the “ANSI A300 – part 1 pruning” standard. Ask your tree service if they always use this standard for tree pruning.

Q: What is pruning paint for trees, and is it still needed?

A: This is an out-dated procedure that used to be suggested for sealing cuts on a freshly pruned tree. Research by the US Forest Service has debunked the need for this “wound dressing”, and showed it actually was contrary to the best interests of the trees. You can even harm your trees with too much moisture.

Q: What is the best time of year to prune trees?
A: Most arborists would agree that you can prune most trees at any time it is needed. Although some trees are more likely to need pruning at the turn of different seasons such as summer of fall.

Q: Do I really need to fertilize my trees?
A: Most trees need fertilization at some point in their lives. In the forest, there are natural circumstances such as animal waste, leaves and other plant material falling to the forest floor, and other decomposition that recycles itself. Mulching is one way to help fertilize a tree, but a plant health care program from a certified arborist is best. A certified arborist can make the best determinations based on your local environment and the ground where your trees grow. This will help your trees have the best health.

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Consumer Agencies
Agencies and Associations for Tree Trimming Services

American Society of Consulting Arborists (ASCA) (http://www.asca-consultants.org/)  
Better Business Bureau (BBB) (http://www.bbb.com/
California Arborist Association (CAA) (http://www.cal-arb-association.com/)...

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American Society of Consulting Arborists (ASCA) (http://www.asca-consultants.org/)  
Better Business Bureau (BBB) (http://www.bbb.com/
California Arborist Association (CAA) (http://www.cal-arb-association.com/)

Contractors State Licensing Board (CSLB) (http://www.cslb.cs.gov/)
International Society of Arboriculture (ISA) (http://www.isa-arbor.com/
Tree Care Industry Association (TCIA) (http://www.natlarb.com/
Western Chapter International Society of Arboriculture (WCISA) (http://www.wcisa.net/)

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Industry Information
Alameda County Tree Services Information
Popular Types of TreesTypes of Tree Services Available in Alameda County Cities Served Zip Codes Served
magnolia treestree pruningAlameda
Albany
Ashland
Berkeley
Castro Valley
Cherryland
Dublin
Emeryville
Fremont
Hayward
Komandorski Village
Livermore
Mount Eden
Newark
Oakland
Piedmont
Pleasanton
Russell City
San Leandro
San Lorenzo
Sunol
Union City
94501
94502
94536
94537
94538
94539
94540
94541
94542
94543
94544
94545
94546
94550
94551
94552
94555
94557
94560
94566
94568
94577
94578
94579
94580
94586
94587
94588
94601
94602
94603
94604
94605
94606
94607
94608
94609
94610
94611
94612
94613
94614
94615
94617
94618
94619
94620
94621
94623
94624
94661
94662
94701
94702
94703
94704
94705
94706
94707
94708
94709
94710
94712
palm treesornamental tree pruning
pine treesdead tree removal
lemon treestree stump removal
apple treestree pest control services
fig treestree thinning
oak treestree restoration
orange treestree surgery
ficus treestree disease diagnosis
Japanese maple treestree cutting
olive treestree planting
ash treestree limb removal
ornamental treesfruit tree pruning
flowering treestree felling
cherry treesemergency tree services
dogwood treestree transplanting
willow treestree fertilizing
cedar treestree maintenance
birch treestree landscaping services
maple treescitrus tree pruning
cypress treesseasonal tree care
juniper treestree stump grinding
eucalyptus treestree disease treatment
plum treestree identification