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Coastside County Water District accepts only VISA and MasterCard
MasterCard and Visa accepted


Due to the COVID-19 pandemic our office lobby is closed to the public. If you wish to make a payment you can leave it in the payment box, pay online or pay by mail. Please call (650) 726-4405 or email with any questions or concerns.

Fact sheet COVID-19

Water Emergencies

Experiencing problems with your water or having a water related emergency? Here's how to reach us:

During Office Hours

Our Customer Service representatives are available to assist customers during office hours of 8:00 a.m. - 5:00 p.m., Monday through Friday or can be contacted by telephone at (650) 726-4405. Messages can be left at this number before and after normal business hours.

After Office Hours

To report an emergency, such as a water main or service line leak, or if water service is required to be turned on or off, please call the San Mateo County Public Safety Communications Dispatch Office at (650) 363-4951. If you are calling regarding a non-emergency related matter, you may leave a message at the Coastside County Water District offices at (650) 726-4405.

Checking for Leaks

If you think you have a leak or if you need help locating your water meter, please contact the CCWD at (650) 726-4405 and report your problem. A member of the field staff will schedule a FREE site visit to assist you. See Checking Your Home for Leaks for more information.

Emergency Preparedness

See also our Emergency Preparedness and Public Safety Power Shutoff information.