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Water/Sewer Services

The Town of Hillsborough bills for water and certain sewer services. Residential sewer accounts are billed and collected by the San Mateo County Controller’s Office through the property tax billing.

Bi-Monthly Billing
Majority of the residential water customers are billed bi-monthly. Bills are due upon receipt and considered delinquent after thirty (30) days of mailing the invoice. A penalty of 10% and interest will be assessed on delinquent accounts.

Monthly Billing
Commercial (schools and clubs) customers are billed monthly. Bills are due upon receipt and considered delinquent after thirty (30) days of mailing the invoice. A penalty of 10% and interest will be assessed on delinquent accounts.

The Town of Hillsborough offers these helpful links about your water

Regarding Current Water Rates

Water Meter Accuracy

A DIY Guide to Check for Water Leaks

Planning, Conservation, and Water Monitoring

2011 Notice of Proposed Increases



For help in getting started or to ask questions, please contact:

Town of Hillsborough Finance Department
1600 Floribunda Avenue
Hillsborough, CA 94010
Phone No. (650) 375-7402
Fax No. (650) 375-7417

Our front counters are open from Monday through Thursday from 7:30 am to 5:30 pm and on Friday from 7:30 am to 12:30 pm.


The Town of Hillsborough 1600 Floribunda Avenue, Hillsborough, CA 94010 (650) 375-7400
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