Marin – Tree Service

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(415) 455-0909

Serving all of Marin County including San Anselmo, Larkspur, San Rafael, Mill Valley, Novato, Corte Madera, Ross, Fairfax, Tiburon and Sausalito.

Services include full service tree care, native oak care & maintenance, expert removal of hazardous trees, safety trimming/preventative maintenance, arborist reports, diagnosis & treatment, stump grinding, lot clearing & fire breaks....
License 982691 |
(415) 763-5933

Serving Marin, Southern Sonoma and San Francisco Counties

Services include Tree Care. Brands include .
License 752428 | DCID4153886060

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Researched Articles
Why Trust Diamond Certified Tree Service Companies Rated Highest in Quality?
Tree trimming, tree disease diagnosis and tree care services in Marin County.

A Diamond Certified tree care contractor carefully inspects and trims trees in Marin County. You'll feel confident choosing among the tree care companies listed above because each has been rated Highest in Quality and has earned the prestigious Diamond Certified award. For more information on how best to choose and work with tree services in Marin County, read the following articles. Photo: Artistry in Trees (2012)

By DIAMOND CERTIFIED PROGRAM STAFF WRITERS
Topic: Finding High Quality Tree Care Companies in Marin County

SAN RAFAEL — 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 A Good Marin County Tree Service
Marin County tree disease control, tree planting and tree pruning services.
The best tree care services maintain the health of the trees and the surrounding area. Photo: Small World Tree Company (2012)

When you first moved into your home in Marin 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 not have imagined the amount of tree pruning and tree maintenance needed....

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When you first moved into your home in Marin 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 not have imagined the amount of tree pruning and tree maintenance needed.

Or 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? What questions would you ask when trying to find a tree service in Marin County to meet your tree care needs?

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

If you choose a tree service in San Rafael, Novato, Sausalito, Mill Valley or another area without looking into their liability insurance or workers' compensation insurance coverage, you could risk financial danger. If there were a mishap that damaged your property or that injured a tree trimmer or arborist, you could be held liable.

Tree services in Marin 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 a tree service in Marin County. This is especially true if you are unable to use a Diamond Certified company for tree work.

Does this sound like a lot of leg work to first check out so many things? If you select a company without doing the research, it may end up costing you more time and money later.

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Know What You Want
Questions to Ask Yourself When Looking for Marin County Tree Services

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, or maybe someone recently handed you a business card and offering tree services.

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

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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, or maybe someone recently handed you a business card and offering tree services.

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

  • 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 Marin 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 Marin County? 


If you are ready to seek out a tree company, you need to start your research on tree services in Marin County. Whether you are in Larkspur, Pleasanton, or Corte Madera, 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 Marin County may differ by company.

Good tree care services 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
What to Ask Tree Care Companies in Marin County Over the Phone

You will want to ask for recommendations from these companies from the most recent customers they have served. After you have verified references, you will want to interview owners and representatives of local tree service companies on the phone....

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You will want to ask for recommendations from these companies from the most recent customers they have served. After you have verified references, you will want to interview owners and representatives of local tree service companies on the phone.

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 Marin County. They will usually need to see the work prior to give you a quote.

Let the tree care specialists you’re interviewing know all of the tree services you will need for the most accurate price of tree care in Marin County.

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

  • Has your tree care company attained and maintained a Diamond Certified rating?
  • Are you current on your contractor's license, liability insurance, and workers' 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?
  • How long have you held your ISA certification?
  • How much experience do you have as an arborist?
  • How experienced is your tree care staff?
  • In what specific kinds of tree care services are you most knowledgeable?
  • Will you provide a detailed written estimate of the work I am requesting completed?
  • Will you give me your contractor's license number, liability insurance information, and other information that I may verify for myself?
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What to Ask in Person
Important Questions for Consultations with Local Tree Services
Certified arborists and licensed tree trimmers are the safest choices to hire.
Safety on the job should be a tree trimmer's number one priority. Photo: Treemasters (2012)

After your phone interviews of tree services in Marin County, meet in person with representatives from the tree care companies you are considering.

Tree care companies serving Novato, Sausalito, Corte Madera and other areas of Marin County should have very specialized equipment to handle all your tree care needs....

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After your phone interviews of tree services in Marin County, meet in person with representatives from the tree care companies you are considering.

Tree care companies serving Novato, Sausalito, Corte Madera and other areas of Marin County should have very specialized equipment to handle all your tree care needs.

They will 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 notes of the ISA certified arborist's / tree trimmer's answers to your questions.

This is particularly 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. Whether you are a potential customer for a tree service, they 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 kind of tree care equipment do you use?
  • Do you use tree spikes or lifts to climb trees (spikes may harm trees)?
  • How knowledgeable are your employees with working around electrical and other hazardous wiring?
  • Is clean up 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 (potential hidden cost  otherwise)?
  • How long do you estimate my tree care services will take until completion?
  • After my tree removal, will you also grind the stump? Is there an additional cost for stump grinding service?
  • Do you provide tree storm damage removal or wind damage repair to trees in Marin County?
  • After seeing the tree services I need, 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 Marin County?
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What to Ask References
Questions for Interviewing References of a Marin County Tree Service

It’s best to chose 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 Marin 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 chose 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 Marin 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 your research carefully. If you do call references on your own, specifically ask for a list of the company’s 10 most recent customers. This will help avoid them 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. So the contractors will likely give you a few customers to call that they know are content.

Here are some questions you can ask tree service references in Marin 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 Marin 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
Find a Good Tree Care Company in Marin County
The Diamond Certified symbol has been awarded to companies that scored Highest in Quality in an accurate ratings process.

Review your choice of tree services and narrow down what companies you may choose.

If you haven't yet, verify for yourself their insurance liability, 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 CSLB if they are not Diamond Certified?

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

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Review your choice of tree services and narrow down what companies you may choose.

If you haven't yet, verify for yourself their insurance liability, 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 CSLB if they are not Diamond Certified?

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

  • Whether you are looking for tree trimming in Tiburon, tree cabling in Mill Valley, tree removal in San Rafael, or tree maintenance in Corte Madera, are you able to communicate your needs with the company?
  • Have any tree services in Marin County pressured 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 Marin 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 (specifically tree service liability) as well as licensing, training, ISA certification, and tree care 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 Better Business Bureau?
  • If you are confident in the answers to these questions, continue with your final decision to hire a professional tree service company.
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How to Work With
Hiring the Best Tree Service in Marin County

Congratulations on selecting the tree service in Marin County. Know that in the long term, good tree care will be an investment in your Marin 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 a few 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....

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Congratulations on selecting the tree service in Marin County. Know that in the long term, good tree care will be an investment in your Marin 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 a few 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 Found a Tree Care Company in Marin 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 in Corte Madera to complete tree care in San Rafael, for example.

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 Smoother
Understand there may be extra noise and debris while the tree service completes your work. Make sure not to get close while they are completing the work, as this could be a safety hazard.

Ask your tree care professional what is a safe distance to keep from the work being completed.

Only talk to tree care workers and tree trimmers 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.

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Be a Good Customer
How Can You Be a Good Marin 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. This is no different for tree care in Novato or tree care in Mill Valley....

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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. This is no different for tree care in Novato or tree care in Mill Valley.

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 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 Marin County.

  • Be upfront with the tree care service you choose. Let them know what you want from your tree service, and how they can fulfill your expectations.
  • Before you hire a tree service in Marin 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 contractor has a phone number where they can always reach you while they’re performing tree work in Marin 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 your 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 in Fairfax or tree fertilization in Almonte, they will get to know your tree needs specifically. This way they can make recommendations for future tree work to keep your home beautiful for years to come.

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Check the Work
Check Tree Care Work in Marin County Against the Invoice

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

  • It should include the Marin tree trimming company's name, address and telephone number, and their license number at minimum.
  • 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 the tree service been completed to your 100% satisfaction?
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Written Warranties
Ask for Written Guarantees on Tree Services in Marin County
Baby tree planting and young tree pruning services help small trees grow safely.
Tree planting services in Marin County for residential yards and commercial areas. Photo: Artistry in Trees (2012)

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

If you were promised a warranty from the tree services in San Rafael, Novato, or another area of Marin County that you hired, they should be willing to provide you with a written warranty.

What should this written warranty guarantee?

That depends on the tree services you requested and the promises made up front....

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

If you were promised a warranty from the tree services in San Rafael, Novato, or another area of Marin County that you hired, they should be willing to provide you with a written warranty.

What should this written warranty guarantee?

That depends on the tree services you requested and the promises made up front.

If the Marin County tree service planted trees or performed tree pruning and maintenance, they may make guarantees regarding the health of your trees or the longevity of those trees. While no one can guarantee the lifespan of a new tree, most tree services will promise that new trees will live at least a certain length of time or that their services will not cause damage or harm that will shorten the tree's life.

Other guarantees may include tree pest control service guarantees or tree disease treatment warranties.

Regardless of the service, 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 Tree Care Contractors in Marin County

Chances are you know what you need for tree care in Marin County. But if you are new to home ownership, you may be uncertain of what tree services are most common.

Do you know what are the most prevalent tree diseases? Here are some common tree care services and common problems where ISA Certified Arborists can assist:

Bracing and Cabling
 Helps to provide strength to a weak tree with limbs that could 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 know what you need for tree care in Marin County. But if you are new to home ownership, you may be uncertain of what tree services are most common.

Do you know what are the most prevalent tree diseases? Here are some common tree care services and common problems where ISA Certified Arborists can assist:

Bracing and Cabling
 Helps to provide strength to a weak tree with limbs that could 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 tree branches are more susceptible to storm damage. You don't want a dead tree limb or branch to fall on a car or break a house window.

Diseases in Trees / Tree Disease Treatment
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
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
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 adequate light, pruning, and food to help it achieve a pleasing tree shape and to live longer. This includes tree fertilizers, which will increase the health and nutrition of your trees. There are both organic and conventional fertilizers that your Marin 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 and uprooted your tree. Many of us have seen photos of a tree that crashed on a vehicle or a tree that fell on a house. It is not something you want to see happen.

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

Tree Planting
Perhaps you wish to plant apple trees, or maybe you wish to plant citrus trees. Either way, consulting a professional tree service will assist you with tree planting in San Rafael or Novato.

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 an open space similar to a window's function in your home.

 

Top Products Used By Good Tree Care Services in Marin County
Your Marin County Tree Care Professional may use a number of products and tools to care for your trees. Here are a few items to expect when receiving 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 may be used in caring for your trees.

STIHL Professional Chainsaws and Other Professional Tree Trimming Equipment
STIHL professional chainsaws are useful for Marin County Tree Services. They are used to trim trees, clear utility line areas, or for 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
Tree cabling is a very specialized tree service, 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 tree bark.

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If Things Go Wrong
The Diamond Certified Performance Guarantee

Diamond Certified tree contractors are backed by the Diamond Certified Performance Guarantee. If the tree trimming 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.

Helpful Ways To End Conflict with Marin County Tree Services...

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Diamond Certified tree contractors are backed by the Diamond Certified Performance Guarantee. If the tree trimming 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.

Helpful Ways To End Conflict with Marin County Tree Services

  • Identify what your tree service complaint entails. Always speak with the senior contractor of a tree company when an issue first arises.
  • Remember to be polite, even when you are upset with your tree service.
  • Explain exactly what is the problem, and how you would like it resolved (within reason).
  • Photographs of your trees may be useful if poor tree work has further damaged them (may need before and after photos).
  • Know your rights as a consumer. If your problems 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 Marin 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
Marin County Tree Services Information
Popular Types of TreesTypes of Tree Services Available in Marin County Cities Served Zip Codes Served
olive treestree pruningAlmonte
Bel Marin Keys
Belvedere
Belvedere Tiburon
Black Point
Bolinas
Corte Madera
Dillon Beach
Dogtown
Fairfax
Forest Knolls
Greenbrae
Ignacio
Inverness
Kent Woodlands
Kentfield
Lagunitas
Larkspur
Lucas Valley
Marin City
Marinwood
Marshall
Mill Valley
Mission Rafael
Muir Beach
Muir Woods
Nicasio
Novato
Olema
Point Reyes Station
Ross
San Anselmo
San Geronimo
San Marin
San Quentin
San Rafael
Santa Venetia
Sausalito
Sleepy Hollow
Stinson Beach
Strawberry Point
Tamal
Tamalpais Valley
Terra Linda
Tiburon
Tomales
Woodacre
94901
94903
94904
94912
94913
94914
94915
94920
94924
94925
94929
94930
94933
94937
94938
94939
94940
94941
94942
94945
94946
94947
94948
94949
94950
94956
94957
94960
94963
94964
94965
94966
94970
94971
94973
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94979
ash treestree disease diagnosis
ornamental treestree cutting
lemon treestree planting
apple treestree pest control services
fig treestree thinning
oak treestree restoration
orange treestree surgery
ficus treestree landscaping services
Japanese maple treescitrus tree pruning
birch treesseasonal tree care
maple treestree limb removal
cypress treesfruit tree pruning
flowering treestree felling
cherry treesemergency tree services
dogwood treestree transplanting
willow treestree fertilizing
cedar treestree maintenance
magnolia treesornamental tree pruning
palm treesdead tree removal
pine treestree stump removal
juniper treestree stump grinding
eucalyptus treestree disease treatment
plum treestree identification