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.