California, Texas, Florida, Washington, Georgia, New York and Colorado.
Sign up any time of year — we file in your county's window.
California
All 58 countiesProp 13 keeps your taxable value low until the market dips below it. Then Prop 8 lets you ask for the lower market value.
- Value date: January 1
- Filing window: July 2 – November 30 in most counties (including LA, Orange, San Diego, Riverside); July 2 – September 15 in 11 counties
- How it's filed: Informal decline-in-value review (LA: form RP-87), then the Assessment Appeals Board (BOE-305-AH) if needed
- Your agent: No state license; you sign an agent authorization
- Can it go up?: Not above your Prop 13 base value
Texas
All 254 countiesValues reset every year, and you can protest both market value and unequal appraisal compared with your neighbors.
- Value date: January 1
- Deadline: May 15, or 30 days after your notice if later — moved to the next business day on weekends (May 17 in 2027)
- How it's filed: Protest to the Appraisal Review Board; Form 50-162 appoints your agent
- Your agent: A registered property tax consultant
- Can it go up?: No — a protest can lower or keep your value, not raise it
Florida
All 67 countiesYour August TRIM notice starts a short clock: about 25 days to petition the Value Adjustment Board.
- Value date: January 1
- Deadline: 25 days after the TRIM notice is mailed (usually mid-August)
- How it's filed: Petition to your county Value Adjustment Board (DR-486); informal conference optional
- Your agent: Written authorization from you
- County filing fee: Up to $50 per petition
Washington
All 39 countiesWashington resets every home's value each year from market sales, with no cap. You get a short window after your value notice to petition the county Board of Equalization.
- Value date: January 1, reset every year
- Deadline: July 1, or 30 days after your value notice (up to 60 in some counties), whichever is later
- How it's filed: Taxpayer Petition to the county Board of Equalization (state form REV 64 0075)
- Your agent: Your signed authorization on the petition or a letter of authorization
- Filing fee: None
Georgia
All 159 countiesGeorgia mails an assessment notice every year, and you have just 45 days to appeal. Win, and the lower value is generally locked in for three years.
- Value date: January 1
- Deadline: 45 days from the date your annual assessment notice is mailed; no extensions
- How it's filed: Appeal to the county Board of Tax Assessors (form PT-311A or a letter), then Board of Equalization, hearing officer or arbitration
- Your agent: A letter of authorization from you
- Filing fee: None at the county level
New York
All 62 countiesNew York has some of the highest property tax bills in the country, and most towns give you one day a year to grieve your assessment. Miss it and you wait a year.
- Value date: Usually July 1 of the prior year
- Deadline: Grievance Day: 4th Tuesday in May in most towns; 3rd Tuesday in May in Suffolk; 3rd Tuesday in June in Westchester towns; Nassau files online by about March 1
- How it's filed: Form RP-524 to the Board of Assessment Review, then Small Claims Assessment Review (SCAR) for 1–3 family owner-occupied homes
- Your agent: Your written authorization on RP-524; a designation of representative for SCAR
- Filing fee: Grievance free; SCAR $30
Colorado
All 64 countiesColorado reappraises every odd year, and there's no cap on residential values. The 2027 notices bring the next big chance to protest.
- Value date: Market as of June 30 of the prior even year; reset every odd year
- Deadline: Protest to the assessor May 1 – June 8
- How it's filed: Assessor protest, then County Board of Equalization, then the state Board of Assessment Appeals, court or arbitration
- Your agent: A letter of agency from the owner of record
- Filing fee: None at the assessor and county board
Ohio
All 88 countiesOhio has some of the highest property tax rates in the Midwest, and recent reappraisals brought big jumps. Complaints are due by March 31 each year.
- Value date: January 1; full reappraisal every 6 years with an update at year 3
- Deadline: January 1 – March 31, for the prior tax year
- How it's filed: DTE Form 1 complaint to the county Board of Revision
- Your agent: Only certain licensed professionals may file for you (e.g., licensed real estate brokers, appraisers, CPAs or attorneys); we file through them
- Limit: Generally one complaint per parcel in each 3-year period
Deadlines at a glance: California, Texas and Florida
Every state, with exact 2027 dates: 2027 deadline calendar →
| When | California (most counties) | Texas (all counties) | Florida |
|---|---|---|---|
| Jan | Value date Jan 1 | Value date Jan 1 | Value date Jan 1 |
| Apr–May | Spring sales collected | Notices arrive · protest by May 15 | — |
| Jun–Jul | Filing opens July 2 | Hearings | Values set |
| Aug–Sep | We file early | Decisions; arbitration if needed | TRIM notice · petition within 25 days |
| Oct–Dec | File by Nov 30 | Bills arrive | Hearings · bills arrive |
Sources: Florida Department of Revenue (PT-101), Texas Comptroller, LA County Assessor.