Top Rated Water Treatment And Service Companies Serving Greenbrae, CA

If you really care about choosing a quality water treatment and service company, we’re here for you. Here’s your access to the best water treatment and service companies serving Greenbrae including 94904. These water experts provide backflow testing and water sanitization, and they also work on water conservation solutions, water conditioning and water testing. For 22 years we’ve conducted the most accurate ratings and deepest research of local companies, so you’ll be confident in choosing.

  • Last Updated May 15, 2026
  • 5,005 people sourced companies in Water Treatment & Service
    861 Verified Water Treatment & Service Customers Surveyed
861
5,005
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Weeks Drilling & Pump Company has been providing a complete range of water supply solutions for residential, commercial and municipal customers throug...
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Main Services

Water Wells & Pumps
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Additional Services

Water Well Drilling, Pump System Service and Installation, Water Treatment, Public Water Systems

Coverage Areas

Sonoma County, Marin County, Mendocino County, Napa County, Lake County

Family Owned
Family Owned
Walk-Ins Welcome
Walk-Ins Welcome
Established in 1906
Established in 1906
Emergency 24/7
Emergency 24/7
  • Quick Connect
6100 Sebastopol Ave, Sebastopol, CA 95472
Hours CLOSED NOW
License:
177681
Learn how to choose a Water Treatment & Service and more…

Diamond Certified Water Treatment And Service Companies Serve These Greenbrae ZIP Codes

94904

Diamond Certified Water Treatment And Service Companies In Greenbrae

Diamond Certified water treatment and service companies serving Greenbrae are rated an average of 4.6 out of 5 stars based on 683 reviews of 5 rated water treatment and service companies.
Diamond Certified water treatment and service companies in Greenbrae Avg. Star Rating.

We make you an expert at choosing a high-quality water treatment and service company in the Greenbrae area.

For those who love quality local water treatment and service companies.

Within our Diamond Certified Resource:

You’ll love and refer your friends and family to your new Greenbrae area Diamond Certified water treatment and service company. They provide expert services, including water system upgrades, water pressure optimization, water storage solutions, water conservation solutions, water system repairs, and more.

To qualify for Diamond Certified, each company must score Highest in Quality and Helpful Expertise (a 90+ on a 100 scale) and pass all our credential-based ratings. Diamond Certified water treatment and service companies that serve Greenbrae residents include Weeks Drilling & Pump Company.

Every Diamond Certified water treatment and service company that serves residents in 94904 performs various specialties, including water chlorination, water scale prevention, water sanitization, water quality analysis, and water disinfection.

How to Choose a Quality Greenbrae Water Treatment And Service Company for Your Family
  1. Click the name of the company to get to their Diamond Certified Company Report page.
  2. Watch their Diamond Certified Video Profile and other videos that we’ve created for you.
  3. Read their verbatim client survey responses and our researched articles.
  4. Get helpful water treatment and service tips if they are a Diamond Certified Expert Contributor.
  5. Call or email them to schedule an appointment.
Become a Diamond Certified Preferred Member and Join Your Greenbrae Neighbors

If you love quality local companies, this is for you. Become a Diamond Certified Preferred Member (always free) and get a double performance guarantee, extra guides and tips, our annual Diamond Certified Directory, and more.

Your Diamond Certified Resource. We make you an expert at choosing.

We make you an expert at choosing local companies by giving you the most accurate ratings, deeply researched company reports and Diamond Certified Guide of all Resource Guides, which cover 70+ industries in the Auto, Home, Health and Personal service categories. Each guide contains 16 key articles that are separated into “Before, During and After the Job” tabs. These are written to guide you through each phase of hiring, starting, managing and ending a job in that specific type of service.

Diamond Certified Resource Compared to Crowd-Sourced Review Sites

Diamond Certified Resource’s ratings of local companies are based on surveys of only verified real customers, so they are the most accurate. This beats crowd-sourced review sites like Yelp, Angi or even Google that are plagued with fake, manipulated, cherry-picked and non-customer reviews, which produce inaccurate and often inflated rating scores.

Diamond Certified Resource’s deeply researched reports of top rated Diamond Certified companies include everything you need to see to be very confident in choosing a top rated local company. Each company report includes detailed quality ratings and scoring, verbatim customer survey responses, a profile video, a company story video, a capabilities table, a photo gallery, researched articles, unique expert contributions from the company’s owner, and more. This beats crowd-sourced review sites that solicit companies to “claim their business listing” and add any type of info to their profiles. This sounds good, but it has led to company profiles that are littered with false claims and incomplete info.

Map of Greenbrae, CA

Greenbrae was founded in 1908, and today, your 11,364 neighbors enjoy quilting, music festivals, writing, parades and beer tasting. Greenbraeans use Diamond Certified water treatment and service companies for water sanitization, water quality analysis, water reverse osmosis systems, water disinfection, water testing, and more.

Frequently Asked Questions for Water Treatment & Service in Greenbrae, CA
Q: What are clients of Diamond Certified water treatment and service companies saying about companies in Greenbrae, CA?
A: Verified Weeks Drilling & Pump Company Customer, 1 of 708
"There aren't many people in the neighborhood who have wells. They are the only company that service four counties for this type of need. They do great well services and also drill new wells. I would only use them, honestly. I would not consider using anyone else. I actually don't think there is any other company that specializes in pumping and well services out here. Also, it is good to note that I wouldn't be doing the survey if it wasn't for Weeks Drilling & Pump Company, but they deserve having it done. They showed up right away and that is what you need with these companies. When your system goes down, you need a reliable company to show up." - Gordon G.
All Survey Responses for Weeks Drilling & Pump Company
Q: What are some of the most popular brands that Diamond Certified water treatment and service companies use when working with Greenbrae residents?
A: Diamond Certified water treatment and service companies use top-quality brands like Hayward, Poolmaster, King Technology, InSPAration and Leisure Time.
Q: What types of water conditioning do water treatment and service companies offer?
A: Water treatment and service companies offer a variety of well water testing options to ensure the safety and quality of your water. These typically include tests for bacteria (such as E. coli and coliform), nitrates, and other harmful chemicals or contaminants, like lead, arsenic, radon, or volatile organic compounds (VOCs). Some companies may also test for water hardness, pH levels, iron, manganese, sulfate, and total dissolved solids (TDS). The specific tests offered can vary depending on the company and the local water conditions.
Q: Can Diamond Certified water treatment and service companies work with Pentair products and similar items so I can get backflow testing in Greenbrae?
A: Yes, Diamond Certified water treatment and service companies can work with Pentair products and similar items to provide backflow testing in Greenbrae.
Q: What did people search for when they wanted to find the best quality water treatment and service companies in Greenbrae?
A: Well Water Testing
Water System Maintenance
Water Pressure Optimization
Water Reverse Osmosis Systems
Water Conditioning
The Homeowner's Guide to Water & Fire Damage