Services and Billing

Coastside County Water District is located at 766 Main Street in Half Moon Bay, California. 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 or by email at This email address is being protected from spambots. You need JavaScript enabled to view it.. Messages can be left at this number before and after normal business hours. Detailed information can also be found in the downloadable PDF of the District's General Regulations Regarding Water Service.