Your property tax bill is probably too high. Here are your odds.
County-by-county appeal results and filing deadlines, straight from published records. In Dallas County, appeals cut a 16.1% apartment value jump by 10.8% in 2025. Check your county today.
Find your Texas countyFree deadline alertsTexas protest deadline right now
May 15, or 30 days after the appraisal district mails your notice of appraised value, whichever is later. Source (primary): Texas Comptroller: Property Tax Protests and Appeals. Checked Oct 27, 2026.
Counties with published value reductions from protests
These are value reductions, not the share of protests that won.
Collin County highlight: a different metric
61.8%
Share of closed protests with a lower final value, Collin County, 2025: 84,003 of 135,948 closed protests.
AppealOdds analysis of Collin CAD Protest Data (source, checked Oct 27, 2026). Method note. This is the share of protests that ended lower, not the value reduction figures shown elsewhere. Past results don't guarantee future outcomes.
| County | Value reduction from protests (2025) | Share of closed protests with a lower final value (different metric) | Deadline |
|---|---|---|---|
| Collin | Commercial: rise vs. appeal cut: +14.8% raised, 8.7% cut | 61.8% (84,003 of 135,948), 2025. AppealOdds analysis | May 15 or 30 days after notice |
| Dallas | Residential value cut after ARB hearings: 1.1% | Not published | May 15 or 30 days after notice |
| Denton | Commercial value rise before appeals: +26.4% | Not published | May 15 or 30 days after notice |
| Fort Bend | Homes over $1.5M: rise vs. appeal cut: +13.5% raised, 4.1% cut | Not published | May 15 or 30 days after notice |
| Harris | Residential value cut by appeals (informal + ARB): 2.7% | Not published | May 15 or 30 days after notice |
| Hays | Residential value cut (informal + formal): 3.7% | Not published | May 15 or 30 days after notice |
| Tarrant | Residential value cut after ARB hearings: 4.3% | Not published | May 15 or 30 days after notice |
| Travis | Residential value cut after ARB hearings: 4.6% | Not published | May 15 or 30 days after notice |
| Williamson | Apartments: rise vs. appeal cut: +11.8% raised, 5.2% cut | Not published | May 15 or 30 days after notice |
Colorado
Larimer: 43.8% commercial win rate. Adams: 6.1%.
Iowa
35%–45% of state board appeals win a reduction.
Commercial & multifamily
Where the big cuts happen.
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Get your appeal handledInformation only, not legal or tax advice. Past results don't guarantee future outcomes.