TranslateCustomer Service
Ph: 415.945.1400
Pay-by-phone
Ph: 866.332.2444
After-hours bill pay support from Paymentus
Ph: 800.420.1663
Service finder directory / online forms
Public Counter Hours:
M-Th, 8am-4:30pm
(Closed Fri)
New online bill pay portal now available. If you are having difficulty accessing the new online billing portal using your previous login credentials, use this form to request password reset assistance. |
Ways to pay your bill
- Online Payments: Enroll in autopay or make a one-time payment through our secure online payment system using your credit card or checking account, Venmo, Apple, Google Pay. You'll receive a username and password when you register for an online account with us. Payments post within three to five business days. Access our online payment system.
- Pay-by-Phone: Make a one-time payment or enroll in autopay over the phone 24/7 at 866.332.2444.
- Mail Payments: Payments post on the following business day after receipt of payment. Mail a check in the reply envelope enclosed with your bill to Marin Water, P.O. Box 994, Corte Madera, CA 94976.
- Pay in Person: Visit Marin Water's Customer Service office at 220 Nellen Ave., Corte Madera, CA 94925, during regular business hours (Monday-Thursday, 8 a.m. - 4:30 p.m.), excluding holidays. After hours payments may be made in the drop box in front of the building.