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Establishing a Water Account

There are three water purveyors in Los Osos.  Click on the map on the right side of this page to view it up close.  Please check to see if the address you are moving into is on this list before applying for water service with the District.  


The Sunset Terrace area near the Sea Pines Golf Course is serviced by S & T Mutual Water Company.  To establish service call 805-316-0640

Golden State Water Company provides water service to other areas in Los Osos. To establish service call 1-800-999-4033.

To establish or discontinue water service with the District, please contact the LOCSD Customer Service Department at 805-528-9370. Office hours are 9:00 a.m. until 5:00 p.m., Monday through Friday.  We do not begin or discontinue services on Saturdays or Sundays

For new property owners, property managers and tenants: a completed Water Service Application, (please see links below) and a $50.00 non-refundable activation fee must be received and paid in full, no later than 2:00pm for same day service. If received after 2:00pm, service will be scheduled for next business day. Please be advised that service will not be established until both the application and activation fee are received.  

Applications can be submitted by mail, dropped off at our office, faxed to 805-528-9377 or emailed to If faxed please call the office to verify receipt at 805-528-9370. The $50.00 non-refundable activation fee can be paid through Paymentus Corporation.  Be sure to choose "Activation Fee" in the drop-down menu and enter the service address in the "Account Number" box on the Paymentus site.  It is also recommended that you include your Paymentus Confirmation Number on your application before forwarding to the District. 



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