How Are Property Taxes Calculated in Texas?

Topic: Texas Taxation Updated: July 2026
Quick Answer

Texas property taxes are calculated by multiplying a property's appraised value, set at 100 percent of market value by the county appraisal district, by the combined rates of the local taxing units. Texas has no state income tax, so property taxes fund local governments and schools, and the average effective rate is high at about 1.6 percent.

Key Takeaways

  • Texas assesses residential property at 100 percent of market value.
  • County appraisal districts revalue property every year, or as often as the district determines appropriate.
  • The average effective property tax rate in Texas is about 1.6 percent of assessed value, among the highest in the nation.
  • Texas has no state income tax, making property tax the primary revenue source for local governments and schools.
  • A homestead exemption can reduce taxable value by up to 20 percent for school district taxes.

Taxation on the Texas Real Estate Exam

The Texas Real Estate Sales Agent Exam expects you to work the tax math the way a Texas agent would: full market-value assessment, locally set rates that vary by county, and exemption reductions applied before the rate. Because Texas has no state income tax, property tax bills are large and clients feel them, so questions test whether you can estimate a realistic bill and explain why two similar homes in different counties pay different amounts. On the state-law portion of the exam, tax topics such as homestead protections and tax exemptions sit in the Special Topics section, which carries 5 of the 40 scored state questions.

How It Works in Texas

Appraisal Districts and 100 Percent of Market Value

Every Texas county has an appraisal district that values property for taxation. Unlike states that assess at a fraction of market value, Texas appraises residential property at 100 percent of market value, and the district revalues every year or as frequently as it determines appropriate. The taxable amount is that appraised value minus any exemptions, and the bill is that taxable amount multiplied by the combined rates of the taxing units that cover the property: the county, the city, the school district, and any special districts.

No State Income Tax, High Property Tax

Texas funds local government and public schools primarily through property taxes because it collects no state income tax. The trade-off shows up in the rates: the average effective rate is about 1.6 percent of assessed value, among the highest in the country. Rates vary by county and by the mix of local taxing units, so the same house value can produce meaningfully different bills in different locations. Agents are expected to check the current local rates rather than quote a statewide number.

Exemptions and Special Districts Change the Bill

Two adjustments complicate any Texas estimate. First, a homestead exemption can remove up to 20 percent of value from school district taxation, and school taxes are the largest slice of most bills, so the exemption matters. Second, agricultural land can be appraised at its use value rather than market value, and municipal utility districts (MUDs) layer their own assessments on top of the regular units. A credible Texas tax estimate accounts for the appraised value, the exemptions the owner qualifies for, and every taxing unit on the property.

Studying this area in depth? Work through the rest of our Texas taxation questions to cover every angle the examiners use.

Texas Exam Tip

Work Texas problems in order: start from appraised value at 100 percent of market value, subtract exemptions to get taxable value, then multiply by the combined local rate. Watch for questions that hinge on the homestead exemption applying to school district taxes, and remember that the county appraisal district revalues property annually at 100 percent of market value; owners who disagree can file a written protest and take the case to the appraisal review board.

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Practice Question

A Texas home is appraised at $400,000. The owner's homestead exemption removes 20 percent of value from school district taxation, and the school district rate is 1.0 percent. What is the school district portion of the annual tax bill?

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