The Assessment Appeals Board (AAB) is independently appointed by the Board of Supervisors. The role of the AAB is to equalize the valuation of the taxable property within the City and County of San Francisco. You may file a formal appeal with the AAB during the July 2 to September 15, filing period.
Below is a step-by-step process for taxpayers to file an application with the Assessment Appeals Board.
Obtain, complete, and return an Assessment Appeal Application from the Assessment Appeals Board of San Francisco by the due date. The form can be found by visiting the Assessment Appeals Board website , calling (415) 554-6778 or visiting their office at 1 Dr. Carlton B. Goodlett Place, City Hall, Room 405, San Francisco, CA 94102.
Include a non-refundable administrative processing fee along with the original signed application and a check made payable to CCSF to:
Assessment Appeals Board
1 Dr. Carlton B. Goodlett Pl., City Hall, Rm #405
San Francisco, CA 94102
P: 415-554-6778 / F :415-554-6775 / email: firstname.lastname@example.org 
The latest fees and deadlines can be found on the Assessment Appeals Board website .
The Assessment Appeals Board will contact you or your agent with your hearing date.
As an alternative to having a formal hearing, single family residential property owners can also file for an Informal Review from January 2 through March 31, 2017. More information regarding this process can be found here: San Francisco Assessor-Recorder Frequently Asked Questions 2017-2018: Informal Assessment Reviews  .
Obtain, complete, and return an Assessment Appeal Application from the Assessment Appeals Board of San Francisco. The San Francisco Assessment Appeals Board does not accept versions of the form from other counties or the State Board of Equalization. Completed applications must be postmarked on or before the deadline date to be considered as timely filed.
San Francisco Assessment Appeals Board
1 Dr. Carlton B. Goodlett Place
City Hall, Room 405
San Francisco, CA 94102-4689
(415) 554-6778 -- voice
(415) 554-6775 -- fax
email@example.com -- email
www.sfbos.org -- website
Business Hours: Monday through Friday 8:00am - 5:00pm (Except Legal Holidays)