Galveston County property tax calculator 2026
This calculator provides an estimated property tax for real estate in Galveston County, Texas. The estimate is based on the property’s assessed value and a combined local property tax rate reflecting applicable county, city, school district, and special district taxes.
Estimates only. Results may differ from official tax bills, pay stubs, or filed returns.
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
See our research on states with the highest property taxes
Enter the assessed value to see the estimated annual property tax.
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How it works
Property taxes in Galveston County are estimated using the assessed value determined by the county appraisal district under Texas law. A combined local property tax rate is then applied, representing the total of all taxing units that apply to the property’s location.
Examples
Properties located in different taxing districts within the county may produce different estimated tax amounts even if their assessed values are identical. This is due to variation in overlapping local levies.
Limitations and important notes
This estimator provides a simplified calculation based on the value and rate entered. Actual property tax bills can differ due to exemptions, homestead value limits, voter-approved rate changes, boundary differences between taxing units, or reassessments by the appraisal district.
FAQs
What value is used to estimate property tax in Galveston County?
The estimate is based on the property’s assessed value as determined by the county appraisal district.
Why does the estimated property tax vary within the county?
Different combinations of county, city, school district, and special district taxes apply depending on where a property is located.
Are school district and special district taxes included?
Yes, if they are reflected in the combined local property tax rate entered for the property’s location.
Is this calculator an official tax bill?
No. This calculator provides an estimated property tax amount and does not replace an official bill issued by local taxing authorities.
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.