Assessment ReductionsMost Popular Topics
The Alameda County Assessor is pleased to announce that the AC Property App is now available on Apple devices. You can lookup your assessed value, property taxes, and parcel map. You can even pay your property taxes right from the app. Download it from the iTunes store.
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
e-Subscription
Sign-up to receive the Assessor’s Community Newsletter via email or text! This is a free service.
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.
