2026 Property Tax Appeal Deadlines by County
Every county sets its own clock. Pick yours below for the 2026 deadline, the form you need, the filing fee, and a step-by-step walkthrough.
Washington
Petitions are due July 1, 2026, or 60 days after your value notice — whichever is later. Notices mail on a rolling schedule, so many owners' windows are still open.
Missouri
The 2026 Board of Equalization window (mid-July) has closed in most counties. Use the guides to understand the process and get ahead of the 2027 season — assessment notices arrive in spring.
California
The regular assessment-appeal window opens July 2, 2026 and closes September 15 or November 30 depending on your county.
- Los Angeles CountyLos Angeles, Long Beach and Glendale
- Orange CountyAnaheim, Irvine and Santa Ana
- San Diego CountySan Diego, Chula Vista and Oceanside
- Santa Clara CountySan Jose, Sunnyvale and Santa Clara
- Alameda CountyOakland, Fremont and Berkeley
- San Francisco CountySan Francisco
- Sacramento CountySacramento and Elk Grove
- Riverside CountyRiverside, Corona and Moreno Valley
- San Bernardino CountySan Bernardino, Fontana and Ontario
- Contra Costa CountyConcord, Richmond and Walnut Creek
- San Mateo CountyDaly City, San Mateo and Redwood City
- Ventura CountyOxnard, Thousand Oaks and Ventura
Pennsylvania
Each county sets its own annual deadline — commonly August 1, with September 1 in Allegheny County and early October in Philadelphia.
- Philadelphia CountyPhiladelphia
- Allegheny CountyPittsburgh, Penn Hills and Bethel Park
- Montgomery CountyNorristown, King of Prussia and Lansdale
- Bucks CountyDoylestown, Levittown and Bensalem
- Delaware CountyUpper Darby, Chester and Media
- Chester CountyWest Chester, Downingtown and Phoenixville
- Berks CountyReading and Wyomissing
Arkansas
County equalization-board petitions are due by the third Monday in August — Monday, August 17, 2026, by 4:30 p.m.
Georgia
You have 45 days from the date on your annual Notice of Assessment. Most counties mailed April–June, so many 2026 windows have passed — but late-notice counties can still be open. Check the date printed on YOUR notice.
- Fulton CountyAtlanta, Sandy Springs and Alpharetta
- Gwinnett CountyLawrenceville, Duluth and Suwanee
- Cobb CountyMarietta, Smyrna and Kennesaw
- DeKalb CountyDecatur, Brookhaven and Dunwoody
- Bartow CountyCartersville, Emerson and Adairsville
- Bibb CountyMacon and the Macon-Bibb consolidated government area
- Bulloch CountyStatesboro, Brooklet and Portal
- Carroll CountyCarrollton, Villa Rica and Bremen
- Chatham CountySavannah, Pooler and Garden City
- Cherokee CountyCanton, Woodstock and Holly Springs
- Clayton CountyJonesboro, Riverdale and Forest Park
- Columbia CountyEvans, Martinez and Grovetown
- Coweta CountyNewnan, Senoia and Sharpsburg
- Douglas CountyDouglasville, Lithia Springs and Winston
- Fayette CountyPeachtree City, Fayetteville and Tyrone
- Floyd CountyRome and Cave Spring
- Forsyth CountyCumming and south Forsyth
- Glynn CountyBrunswick, St. Simons Island and Jekyll Island
- Hall CountyGainesville, Flowery Branch and Oakwood
- Henry CountyMcDonough, Stockbridge and Hampton
- Houston CountyWarner Robins, Perry and Centerville
- Liberty CountyHinesville, Midway and Flemington
- Lowndes CountyValdosta, Hahira and Remerton
- Muscogee CountyColumbus and the consolidated Columbus-Muscogee area
- Newton CountyCovington, Oxford and Porterdale
- Paulding CountyDallas, Hiram and Braswell
- Richmond CountyAugusta, Hephzibah and Blythe
- Rockdale CountyConyers
- Spalding CountyGriffin, Sunny Side and Orchard Hill
- Walton CountyMonroe, Loganville and Social Circle
- Whitfield CountyDalton, Tunnel Hill and Varnell
Florida
TRIM notices mail in August; your VAB petition is due 25 days later — the exact date is printed on the notice.
- Miami-Dade CountyMiami, Hialeah and Miami Beach
- Broward CountyFort Lauderdale, Hollywood and Pembroke Pines
- Palm Beach CountyWest Palm Beach, Boca Raton and Boynton Beach
- Hillsborough CountyTampa and Brandon
- Orange CountyOrlando and Winter Park
- Duval CountyJacksonville
- Pinellas CountySt. Petersburg and Clearwater
- Lee CountyCape Coral and Fort Myers
- Polk CountyLakeland and Winter Haven
- Collier CountyNaples and Marco Island
- Brevard CountyMelbourne, Palm Bay and Titusville
- Volusia CountyDaytona Beach, Deltona and Port Orange
- Marion CountyOcala
- Lake CountyClermont, Leesburg and Tavares
- Sarasota CountySarasota and North Port
- Pasco CountyNew Port Richey, Wesley Chapel and Land O' Lakes
- Manatee CountyBradenton and Lakewood Ranch
- Alachua CountyGainesville
- Escambia CountyPensacola
- Seminole CountySanford, Altamonte Springs and Oviedo
- St. Lucie CountyPort St. Lucie and Fort Pierce
- Osceola CountyKissimmee and St. Cloud
- Leon CountyTallahassee
- St. Johns CountySt. Augustine and Ponte Vedra
- Bay CountyPanama City and Lynn Haven
- Charlotte CountyPort Charlotte and Punta Gorda
- Citrus CountyInverness and Crystal River
- Clay CountyOrange Park and Middleburg
- Columbia CountyLake City
- Flagler CountyPalm Coast
- Hernando CountySpring Hill and Brooksville
- Highlands CountySebring and Avon Park
- Indian River CountyVero Beach and Sebastian
- Martin CountyStuart and Palm City
- Monroe CountyKey West and Marathon
- Nassau CountyFernandina Beach and Yulee
- Okaloosa CountyFort Walton Beach, Destin and Crestview
- Okeechobee CountyOkeechobee
- Putnam CountyPalatka
- Santa Rosa CountyMilton, Navarre and Gulf Breeze
- Sumter CountyThe Villages and Wildwood
- Walton CountyDeFuniak Springs and Santa Rosa Beach
Utah
Appeals are due September 15, 2026, or 45 days after your valuation notice — whichever is later.
Oregon
Property Value Appeals Board petitions are due December 31, 2026 — the window opens when tax statements arrive in late October.
Illinois
Cook County opens township by township — roughly 30 days from your township's opening; the Board of Review posts the calendar.
Texas
The regular 2026 protest window closed May 15, but §25.25 corrections are still open — and the 2027 season starts next April.
- Harris CountyHouston, Pasadena and Katy
- Travis CountyAustin and Pflugerville
- Dallas CountyDallas, Garland and Irving
- Collin CountyPlano, Frisco and McKinney
- Tarrant CountyFort Worth and Arlington
- Bexar CountySan Antonio
- Fort Bend CountySugar Land, Missouri City and Katy
- Denton CountyDenton, Lewisville and Flower Mound