How to appeal a Fresno County, CA property assessment

✓ Verified — Last verified October 24, 2026

Filing details published for Fresno County. Match the notice and assessment cycle to the official instructions.

Official appeal instructions

Not tax or legal advice; confirm with your county.

Filing timing

Notice-dependent instructions

Regular assessment appeals: July 2 through November 30. Supplemental appeals: within 60 days of the notice.

Official source. Verified .

Where to file

File Form BOE 305-AH with the Clerk of the Board of Supervisors.

Official source. Verified .

Official appeal page

Official appeal page

Official source. Verified .

Official offices

Fresno County Assessor

Office website

Office website

Official source. Verified .

Phone

(559)600-3534

Official source. Verified .

All Fresno County dates, offices and sources

Sources for these instructions

https://www.fresnocountyca.gov/Departments/Assessor/Appeals
July 2 to November 30 Supplemental Assessments and Escape Assessments: 60 days from the mailing date of the Supplemental or Escape Assessment notice

Verified October 24, 2026

https://www.fresnocountyca.gov/Departments/Assessor/Appeals
To appeal the assessed value file form BOE 305-AH, Assessment Appeal Application, with the Clerk of the Board of Supervisors

Verified October 24, 2026

https://www.fresnocountyca.gov/Departments/Assessor/Appeals
Assessed Value Appeals

Verified October 24, 2026

Continue with your property

Common questions

Where do I file a Fresno County assessment appeal?

File Form BOE 305-AH with the Clerk of the Board of Supervisors.

Updated , from cited verification dates. Individual sources may have earlier checks.