How to appeal property taxes in California
County-specific guides with this year's deadlines, the exact forms, and step-by-step filing instructions — researched from official California sources. Or skip the reading: run your address through the free check and get your county's answer in about two minutes.
Alameda County
Alameda County property tax appeals are due Sept. 15, 2026. Learn forms, fees, filing options, evidence rules and local savings math.
Contra Costa County
Contra Costa property tax appeal deadline is Nov. 30, 2026. Get forms, fees, addresses, hearing rules, and savings examples.
Fresno County
Fresno County property tax appeals are due Nov. 30, 2026. Get the form, $86 fee, filing address, hearing rules, and savings math for homeowners.
Los Angeles County
LA County 2026 property tax appeal deadline is Nov. 30, 2026. Learn forms, filing options, fees, hearings, and savings examples.
Orange County
Orange County property tax appeals for 2026 are due Nov. 30 by 5 p.m. Learn forms, filing options, hearings, and savings math.
Riverside County
Riverside County 2026 property tax appeal deadline is Nov. 30. Forms, $30 fee, evidence tips, hearing steps, and savings example.
Sacramento County
Sacramento County property tax appeals are due Nov. 30, 2026. Learn where to file, what evidence works, fees, hearings, and savings.
San Bernardino County
San Bernardino County homeowners: file 2026 assessment appeals by Nov. 30. Get forms, fee, evidence tips, hearing steps, and local savings math.
San Diego County
San Diego County 2026 assessment appeals are due Nov. 30, 2026. Learn forms, filing address, evidence, hearings, and savings.
San Francisco County
San Francisco property tax appeals are due Sept. 15, 2026. Learn where to file, fees, evidence, hearings, and savings examples.
San Mateo County
San Mateo County property tax appeals are due Nov. 30, 2026. Get filing steps, forms, fees, hearing details and savings example.
Santa Clara County
Santa Clara County 2026 property tax appeals are due Sept. 15. Get forms, $290 fee, filing options, hearing tips and savings example.
Ventura County
Ventura County property tax appeals for 2026 are due Sept. 15. Learn where to file, what evidence works, fees, hearings and savings.
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