Harris County property tax calculator 2026
This calculator provides an estimated property tax for Harris County, Texas using taxable value and a combined local property tax rate. In Harris County, taxable value is based on appraisal district values and may be reduced by exemptions, while tax rates are set by the individual taxing units that apply to a property.
Estimates only. Loan terms and approval depend on lender underwriting.
Many U.S. counties use multiple local taxing authorities (county, city, school district, special districts). Enter your combined local millage rate as shown on your annual property tax notice.
Estimated property tax
Enter the assessed value to see the estimated annual property tax.
How it works
Harris County property taxes start with the taxable value established by the Harris Central Appraisal District. Exemptions can reduce taxable value, depending on eligibility and the taxing units involved. Each taxing unit that applies to a property adopts its own tax rate, and the combined local property tax rate reflects the sum of those applicable unit rates applied to taxable value.
Examples
An estimate is produced by applying a combined local rate to a taxable value figure. If a property is located within different taxing units, the combined rate can differ even within the same county, so the estimate depends on the rate you enter for the specific location.
Limitations and important notes
This calculation offers an approximate projection of property tax based on the inputs provided. Tax rates vary by taxing unit and property location, and exemptions and capped values depend on eligibility and property-specific circumstances. The actual tax bill may differ from this estimate.
FAQs
How is property tax calculated in Harris County, Texas?
Property tax is calculated by applying the applicable taxing unit rates to the property’s taxable value, after any exemptions that apply.
Is Harris County property tax based on assessed value or market value?
Taxes are based on taxable value established by the appraisal district, which is derived from property appraisal values and may be reduced by exemptions.
Do tax rates vary within Harris County?
Yes. Rates vary by the taxing units that apply to a property, such as school districts, cities, and special districts.
Are exemptions included in this calculator?
Exemptions are not automatically included because eligibility and amounts can vary by taxpayer and by taxing unit.
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Calculations are simplified and for guidance only. Always double-check results and current rules with official sources or a qualified professional before making financial decisions.