Alternative channels
Mail, text, and in-person payment instructions
Pay by text
A dedicated this detail was not publicly posted. . The City’s 2026 payment instructions do not publish an SMS keyword, short code, or text-to-pay enrollment flow. Customers should use the official online portal, City Hall counter, drop box, mail, or the published Customer Service number and should not enter credentials from an unsolicited payment text.
Mail-in address
City of South Gate, P.O. Box 1429, South Gate, CA 90280. Do not mail cash. Include the remittance stub and account number, allow bank or postal processing time, and do not rely on a postmark when a shutoff deadline has been stated; the SB 998 policy says payment must be received by the City office by the specified cutoff.
Counters, drop boxes, and office hours
The Water Utility Customer Service Counter is at City Hall, 8650 California Avenue, South Gate, CA 90280, Monday through Thursday, 7:00 a.m.–5:30 p.m.; City Hall is closed Fridays, weekends, and holidays. Drop boxes are located inside the Customer Service Lobby and outside the south entrance. The City accepts cash, personal checking accounts, and Mastercard, Visa, and Discover; do not place cash in a drop box. Water billing questions use (323) 563-9586. The payment page does not list satellite counters or staffed weekend service.