Alternative channels
Mail, text, and in-person payment instructions
Pay by text
A dedicated this detail was not publicly posted. As a published text-to-pay program. The company provides online account payment, one-time payment, office payment, mailed payment, and an after-hours office mailbox, but no SMS keyword, short code, enrollment URL, or opt-in confirmation procedure is published. Customers should begin at mtblw.com or call (323) 722-8654 to authenticate any payment message.
Mail-in address
Montebello Land & Water Company, 344 E. Madison Avenue, P.O. Box 279, Montebello, CA 90640. Rules state that payments are made to the company office or this remittance address, and the company's homepage warns that payment should arrive at least 48 hours before the due date to avoid penalties or shutoff. After-hours payments may be placed in the mailbox at the entrance to 344 E. Madison Avenue.
Counters, drop boxes, and office hours
The customer office is at 344 E. Madison Avenue, Montebello, CA 90640. The official homepage lists customer hours of 8:30 a.m.–4:30 p.m.; the billing rules specify normal reconnection/business hours Monday–Friday during that window. Office payments are accepted in legal tender, and returned checks must be redeemed in cash, cashier's check, or money order. The rules identify an after-hours mailbox at the office entrance but do not publish a separate staffed satellite center or card-brand list.