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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 and can be contacted by telephone at (650) 726-4405 or by email at customerservice@coastsidewater.org. Messages can be left at this number before and after normal business hours.
Detailed information can also be found in the District’s General Regulations Regarding Water Service.
Register for Online Bill Pay
Register to receive your statement via email andsecurely pay your bill online with your credit card. Coastside County Water District accepts only VISA and MasterCard.
2025 Observed Holidays
Coastside County Water District’s offices are closed on the following holidays. See our After Office Hours information if you need assistance on a holiday.
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New Year’s Day
Wednesday, January 1, 2025
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Martin Luther King Jr. Day
Monday, January 20, 2025
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Presidents’ Day
Monday, February 17, 2025
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Memorial Day
Monday, May 26, 2025
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Juneteenth National Independence Day
Thursday, June 19, 2025
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Independence Day
Friday, July 4, 2025
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Labor Day
Monday, September 1, 2025
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Indigenous Peoples’ Day
Monday, October 13, 2025
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Veterans’ Day
Tuesday, November 11, 2025
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Thanksgiving Day
Thursday, November 27, 2025
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Day After Thanksgiving
Friday, November 28, 2025
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Christmas Eve
Wednesday, December 24, 2025
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Christmas Day
Thursday, December 25, 2025