Property tax calculator by county
Get a quick estimate with your county's effective tax rate, or enter the rates from your tax notice to apply homestead exemptions.
How it's calculated
Quick estimate: home value × the county's effective tax rate. We compute that rate for every county in Florida, Texas and Arizona as the median real estate taxes paid by homeowners divided by the median home value, from the U.S. Census Bureau's American Community Survey 2020-2024. It describes what owner-occupants actually pay on average — after the homestead exemptions and assessment caps most of them already have — not the legal rate of any taxing district.
With your own rates: taxable value = assessed value − exemptions, and tax = taxable value × rate. Florida: the first $25,000 of a homestead is exempt from all taxes and an additional exemption of up to $26,411 in 2026 (adjusted each year for inflation) applies to the assessed value above $50,000, for non-school taxes only. Texas: school districts must exempt $140,000 of a residence homestead, plus $60,000 more for owners 65 or older or disabled; cities and counties may add a local-option exemption of up to 20% (at least $5,000). Arizona: a primary residence is assessed at 10% of its limited property value, and the rate is applied per $100 of that assessed value.
This is an estimate. Your bill depends on your exact taxing districts, special assessments and your assessed value, which can be far below market value if you have owned the home for years (and can reset after a purchase). Check the property appraiser or appraisal district for your parcel.
Calculator by state
Frequently asked questions
How is property tax calculated?
The county appraiser or assessor sets an assessed value, exemptions are subtracted to get the taxable value, and each taxing unit (county, city, school district, special districts) applies its rate. Your bill is the sum.
What is an effective property tax rate?
The tax actually paid as a percentage of the home's market value. It is lower than the nominal rate when exemptions or assessment caps apply, which is why it is the best quick way to compare counties.
Why could my real bill be different?
Assessment limits make long-time owners pay on a value below market: Florida's Save Our Homes caps annual increases of a homestead's assessed value at 3% or inflation, whichever is lower, Texas limits increases of a homestead's appraised value to 10% a year, and Arizona limits the limited property value to 5% growth. A buyer may face a higher bill than the seller paid.
Where does the county data come from?
From the U.S. Census Bureau's American Community Survey 2020-2024 5-year estimates (table B25103, median real estate taxes paid, and B25077, median home value). In small counties the survey sample is small, so we flag counties with a wide margin of error.
Sources
- U.S. Census Bureau — American Community Survey 2020-2024 5-year estimates, tables B25103 and B25077
- Florida Department of Revenue — Property Tax Information for Homestead Exemption (PT-113)
- Florida Department of Revenue — Additional Homestead Exemption Adjustment (2026: $26,411)
- Florida Department of Revenue — Save Our Homes assessment limitation
- Texas Comptroller — Property tax exemptions
- Arizona Revised Statutes § 42-15003 (assessed value of class three property: 10%)
- Arizona Revised Statutes § 42-13301 (limited property value)
Results are estimates for information only and are not legal, tax or financial advice. Confirm the figures with your lender, title or escrow company and the county offices.
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