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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.
2023 Observed Holidays
Coastside County Water District’s offices are closed on the following holidays. See After Office Hours information if you need assistance on a holiday.
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New Year’s Day
Monday, January 2, 2023
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Martin Luther King Jr. Day
Monday, January 16, 2023
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Presidents’ Day
Monday, February 20, 2023
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Memorial Day
Monday, May 29, 2023
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Juneteenth National Independence Day
Monday, June 19, 2023
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Independence Day
Tuesday, July 4, 2023
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Labor Day
Monday, September 4, 2023
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Indigenous Peoples’ Day
Monday, October 9, 2023
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Veterans’ Day
Friday, November 10, 2023
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Thanksgiving Day
Thursday, November 23, 2023
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Day After Thanksgiving
Friday, November 24, 2023
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Christmas Eve
Monday, December 25, 2023
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Christmas Day
Tuesday, December 26, 2023