Great Oaks Water Company has been providing public water utility service to the Blossom Valley - Santa Teresa - Edenvale - Coyote Valley-Almaden Valley area of the City of San Jose since the early 1960's.  Our dedication to providing the highest quality water, best customer service and the lowest rates continues to this day.  With over 20,000 customers and a dedicated staff of 17 employees, Great Oaks is recognized as one of the most efficiently run utilities in the state.


Customer Notices
A.23-05-002 Great Oaks Water Company Cost of Capital Application - Notice of November 9, 2023 Public Participation Hearing
Great Oaks Water Company 2023 Cost of Capital Application and Exhibits
Santa Clara Valley Water District Ends Water Shortage Emergency
System Wide Chlorination - New
Service Disconnection Procedures Resume on June 1, 2022
2020 Urban Water Management Plan
TribalLand Transfer Policy Compliance
Poiicies For Discontinuance Residential WaterService For Nonpayment
2020 Urban Water Management Plan
2020 Urban Water Management Plan

Financial Relief Increased Financial Relief - High Past Due Balances
The Low Income Household Water Assistance Program (LIHWAP) has increased benefits available to water customers with large past due balances (high water arrearages). Learn more about LIHWAP here. If you have questions, click the LIHWAP link to learn more. Apply for relief even if you have questions about your eligibility. You must apply for relief through LIHWAP using the link above. Great Oaks Water Company is not permitted to sign you up for these benefits, but we encourage you to apply.


2020 Urban Water Management Plan To stay compliant with California's BackFlow device testing requirements, Backflow Solutions Inc (BSI) will be administering all the BackFlow testing requirements. To find out more information or to find out about your BackFlow test status, click here



HomeServ Logo
Great Oaks Water Company has arranged for HomeServe, an independent home repair company separate from Great Oaks Water Company, to offer optional emergency repair service plans* to Great Oaks Water Company residential customers for customer-owned utility equipment. Plans from HomeServe include:

     •   Exterior Water Line Coverage
     •   Exterior Sewer/Septic Line Coverage
     •   Interior Plumbing and Drainage Coverage
     •   Water Heater Coverage

*These are optional and customers are under no obligation to purchase services from HomeServe to receive water service from Great Oaks Water Company. If you would prefer, you can opt out of receiving communications related to these services by calling 1-855-789-5006.

Below are a few features from our Most Frequently Asked Questions list. We will be changing these from time to time, so be sure to check back with us once in a while.

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Account Status I mailed my payment last week.
Can I get my Account Status?
Dog chewing on a bill Truly, The Dog Ate My Bill!
Can I Automate My Water Bill Payments?
Hand calculating a bill I've Never Trusted Computers!
How Do You Calculate A Bill?

Please Note:
   Great Oaks Water Company is NOT responsible for any lost cash payments dropped off in the Night Drop.
   Thank you,
   Management

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