Coastside County Water District

Welcome to Coastside County Water District

Our mission is to develop and provide our customers with high quality water and service at the lowest possible price, in accordance with the following values:

  • Reliability and sustainability of system facilities
  • Timeliness of District policies, procedures, actions and decisions
  • 50-year outlook when replacing infrastructure
  • Legality of all District actions and behaviors
  • Culture of openness, fairness and inclusiveness

Coastside County Water District is proud of the safe, high level of quality drinking water and service we provide to our customers located in the City of Half Moon Bay and the unincorporated coastal communities of El Granada, Miramar and Princeton-By-The-Sea, located in San Mateo County.

Water Supply Conditions: Advisory - Voluntary 10% Reduction in Water Use by All Customers is Requested by Coastside County Water District


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rebatesSave money and water — take advantage of our Residential Rebates and Commercial Rebates

Free Showerheads and Faucet Aerators

low flow showerheadThe Coastside County Water District offers FREE high quality, water-efficient showerheads and faucet aerators for your home or business! Get yours today.