Bisitahin o Kontakin Kami

The Alameda County Assessor’s Office is here to help. You can reach us by phone, email, or visit one of our office locations below.

Please consider calling or emailing ahead of time as many issues can be resolved by phone or email.

Office Hours: 9:00 AM – 4:30 PM, Monday–Friday  (Holiday closures)

Major Service Areas

Assessee Services

Ownership and assessment inquiries. Single-family, multi-family, rural, and commercial/industrial properties. 

(510) 272-3787

Pribadong Ari-arian ng Negosyo

Equipment, fixtures, boats, and aircraft assessments.

(510) 272-3836
AssessorBPP@acgov.org

Assessment Roll

Changes of ownership research, verification, and processing.

(510) 272-3800
AssessorBPP@acgov.org

Mapping

Parcel maps and property inventory for all real property.

(510) 208-4878

Mga Eksepsyon

Homeowners’ exemption claims, Institutional and veterans’ exemption requests.

(510) 272-3770 — Homeowners’ & Disabled Veterans’
Exemptions@acgov.org

(510) 272-6587 — Institutional

Opisinang Pansegundarya ng Dublin

Full Assessor services for East and South Alameda County.

(510) 272-3787

Email Us

General: AssessorWebResponse@acgov.org

Visit Us

Office Hours: 9:00 AM – 4:30 PM, Monday–Friday  (Holiday closures)

Oakland Main Office

1221 Oak Street, Room 145, Oakland, CA 94612

Phone: (510) 272-3787    Fax: (510) 272-3803

Business Personal Property Division
1221 Oak Street, Kwarto 145
Oakland, CA 94612
Phone: (510) 272-3836   Fax: (510) 891-5542

Opisinang Pansegundarya ng Dublin

7600 Dublin Blvd, Suite 270, Dublin, CA 94568

Phone:(510) 272-3787

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