For journalists and researchers

Cite this data.

We analyze residential property assessments from county public records: 4.84 million homes across 14 Texas counties, and every residential parcel on Florida's 2025 Final tax roll (Florida DOR NAL). All of it is free to quote, download, and embed, with attribution.

Working on a deadline and need a cut we don't publish here, a specific county, ZIP, or metro? Email john@revxl.net and you'll get a same-day reply.

How to cite us

Preferred plain-text citation. If your CMS supports links, please link the study.

With a link:

Licensed CC BY 4.0. Data as of June 2026 (Texas) and 2026-07-03 (Florida).

Ready-to-quote statistics

Each button copies the sentence and the citation together.

Texas

1,000,060
Texas homes over-assessed

More than 1,000,060 Texas homes are assessed above comparable homes in their own neighborhood, out of 4,836,570 analyzed across 14 counties.

$1.5B
Overpaid per year in Texas

Texas homeowners overpay an estimated $1.5 billion a year in property tax on homes assessed above comparable homes nearby.

20.7%
Share of analyzed Texas homes

20.7% of the 4.84 million Texas homes analyzed are assessed more than 5% above the average of comparable homes in the same appraisal neighborhood.

31.7%
Worst county: Jefferson

Jefferson County (Beaumont) has the highest over-assessment rate in Texas: 31.7% of its 60,493 analyzed homes sit above comparable homes nearby.

Florida

$994.4B
Florida assessment cap gap

Florida's assessment caps shield $994.4 billion of residential property value from taxation, measured across 8.29 million parcels on the 2025 Final tax roll.

28.4%
Florida homes with no cap protection

28.4% of Florida homes, about 2,351,396 parcels, carry no meaningful Save Our Homes cap protection and pay tax on close to full market value.

County-level figures

Texas, highest over-assessment rate
CountyAnalyzedOver-assessed%
Jefferson (Beaumont)60,49319,20231.7%
Johnson (Cleburne / Burleson)20,1886,07430.1%
Nueces (Corpus Christi)108,28028,85526.6%
El Paso (El Paso)210,73055,13526.2%
Bexar (San Antonio)561,923132,46623.6%
Dallas (Dallas)616,759142,46123.1%
Florida, largest cap gap
CountyParcelsCap gapUnprotected
Miami-Dade810,168$166.3B180,348
Palm Beach589,278$122.0B142,603
Broward677,989$112.8B138,896
Pinellas389,214$53.2B95,559

Full tables: the Texas study (all 14 counties) and the Florida cap gap study (all 67 counties). ZIP-level rankings: Harris County and Dallas County.

Download the data

Texas county over-assessment summary14 counties. Fields: county, metro, homes analyzed, homes over-assessed, % over-assessed, effective tax rate, annual overpayment.CSV · 14 rowsTexas ZIP-level over-assessment (Harris + Dallas)Every ZIP with at least 50 analyzed homes. Fields: ZIP, city, county, homes analyzed, homes over-assessed, % over-assessed, average over-assessment, annual overpayment.CSV · 214 rowsFlorida Save Our Homes cap gap by countyAll 67 counties. Fields: county, residential parcels, just value, assessed value, cap gap, homes with cap protection, homes without, average gap on protected homes.CSV · 67 rows

ZIP-level files only include ZIP codes with at least 50analyzed homes, so no rank rests on a handful of properties. Harris County's smallest published ZIP has 333 homes; Dallas County's has 157. How every figure is computed: our methodology.

Embed the chart

A ranked chart of the 14 Texas counties by over-assessment rate, top 10 shown. Free for news sites, blogs, and real estate pages. Please keep the attribution link.

Preview it at /embed/tx-counties.

Media contact

John Ives runs AppealMyTax and does the analysis himself. Happy to pull a custom cut, walk through the methodology on the record, or check a number before you publish.

john@revxl.net