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Alameda County, CA, acgov.org
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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

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Assessor’s Maps

All current Assessor's Maps are on display at:

Alameda County Assessor – Public Records
Administration Building
1221 Oak Street, Room 245
Oakland, CA 94612
Office hours are 8:30 AM to 5:00 PM.


Maps may be purchased for $3.00 per copy for a 14" x 18" size, or $1.00 per copy for an 8.5" x 11" size. Maps may be purchased either in person at the above stated address or by sending a written request to:


Alameda County Assessor
1221 Oak Street, Room 145
Oakland, CA 94612
Attention: Mapping Unit


Enclose a check for the appropriate amount payable to: Alameda County Assessor


The Assessor’s Office provides Assessor Parcel Maps on-line, free of charge, from our website. Go to Property Assessment Information and search by Assessor’s parcel number or by property address to download the map.

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