Alternative channels
Mail, text, and in-person payment instructions
Pay by text
Golden State Water uses MyGSWater account alerts and publishes reminders by mail, email, text, and out-dial calls for past-due or scheduled-disconnection notices. The reviewed payment pages do not publish a separate text-to-pay keyword, short code, or SMS authorization that independently processes a payment. Customers should register contact information in MyGSWater and use the authorized portal or KUBRA EZ-PAY link rather than responding to an unsolicited text.
Mail-in address
Golden State Water Company, PO Box 51133, Los Angeles, CA 90051-1133. Checks should be payable to Golden State Water Company and mailed several days before the due date. The company’s customer-service/corporate address is 630 E. Foothill Blvd., San Dimas, CA 91773, but the payment page directs mailed bill payments to the Los Angeles lockbox.
Counters, drop boxes, and office hours
Golden State Water does not present a staffed San Dimas walk-in cashier on its current payment page. In-person cash payment is available through participating KUBRA EZ-PAY retail agents: use the authorized KUBRA locator, select cash payment, generate an EZ-Payslip, and bring it with the cash to the participating retailer. A small retailer service fee applies and payments after 5:00 p.m. post the next business day. General Golden State customer service is available 24 hours a day, 7 days a week by phone; the reviewed materials do not publish a separate San Dimas counter address or counter hours.