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Alameda County, CA,

General & Ownership Information
(510) 272-3787

Business Personal Property:
(510) 272-3836

Our business hours are from 8:30AM to 5:00PM Monday through Friday except for holidays

Parcel Combines

You may request a mapping combine of two or more contiguous parcels if:

  1. The ownership of the contiguous parcels are identical and the fair market value of any parcel is less than $50,000, that parcel may be combined with the contiguous parcel with the greatest assessed valuation.

  2. The ownership of the contiguous parcels are identical and the land is being used for a single-family residence and constitutes 45,000 square feet or less, the smallest parcel may be combined with the largest contiguous parcel.

Combine requests for the following year must be filed with our office between July 1 and December 31. Before your request can be considered all current year taxes and any prior year’s delinquent taxes must be paid in full by December 31. For example, to request a parcel combine for the 2019-20 tax year, the request must be filed between July 1, 2018 and December 31, 2018 and all taxes must be paid on or before December 31, 2018. For more information please call (510) 272-3787

Parcel Combine Request  (PDF - 160kb)*

* Portable Document Format (PDF) file requires the free Adobe Reader.

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