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 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.

Attention!A Message About Our Public Counters

The Assessor’s Office is open to the public and is providing appointments for in-office visits. Please visit our Contact page for more information.

Please note that our technicians remain available to provide assistance via telephone (510-272-3787) from 8:30AM-5:00PM Monday through Friday.

If you need to drop-off documents, please leave them in the box provided outside our Office and staff will retrieve them promptly to protect confidentiality.

We sincerely appreciate your understanding and patience during this time.