Image of the High Street Bridge located in Alameda.

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 9:00 AM to 4:30 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.

Attention!A Message About The Canyon Fire & Disaster Relief

Dear Alameda County Residents:

If your property has been affected by the recent Canyon Fire in the Sunol, Pleasanton, or Niles-Fremont region, please click here for the Application for Reassessment of Damaged or Destroyed Property and more information on Disaster Relief.

If you have any questions about the application or disaster relief, please call our office at (510) 272-3787. Alternatively, you can email us at


The Alameda County Assessor’s Office