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Alameda County Treasurer-Tax Collector

Property Tax Portal

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Secured Monthly Payments

Notice The system may be temporarily unavailable due to system maintenance and nightly processing. This generally occurs Sunday morning from 7:00 to 9:00 AM and weeknights from 1:00 to 2:00 AM.

Important Notice

2026-27 Annual Secured Taxes are Due 12/10/2026

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Search Secured, Supplemental and Prior Year Delinquent Property Taxes

Secured tax bills are payable online from 10/7/2026 to 6/30/2027.

Most supplemental tax bills are payable online to 6/30/2027.

Prior Year Delinquent tax payments are payable online to 6/30/2027.

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Search by Property Address or Parcel Number

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Parcel Number:

You must select a parcel number from the auto suggestion list.

How do I find my parcel number?

Secured and Supplemental Tax Bill

Your parcel and tracer numbers are located in the upper-left-hand corner of your tax bill. The parcel number must be entered as it appears on your bill, with dashes and no leading zeroes.

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Avoid Late Fees

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