2027 Property Tax Due Dates
January 31
Full payment
Payment Methods
Online, Mail, In-Person
Williamson County Treasurer
Phone
(512) 943-1601Office Hours
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Williamson County Treasurer
In Person
Visit the Treasurer's office — 904 S Main St, Georgetown TX 78626, Mon 8am - 5:30pm
About Property Taxes in Texas
In Texas, property taxes are assessed and collected at the county level — there is no state property tax. Each county has an appraisal district (CAD) that determines the taxable value of all property within the county as of January 1 each year. The county tax assessor-collector then sends tax bills, typically in October or November, covering taxes levied by all local taxing units: the county, cities, school districts, and special purpose districts. Tax bills are due by January 31 of the following year. For example, your 2024 property taxes are due January 31, 2025. Because Texas relies heavily on property taxes to fund local services — especially public schools — effective tax rates typically range from 1.5% to 3.0% of assessed value depending on the county and local taxing units.
Payment & Assessment
Texas property taxes are due in full by January 31. There is no grace period — taxes become delinquent on February 1, at which point penalties and interest begin accruing immediately. For homeowners who are 65 or older or have a qualifying disability, state law allows payment in four quarterly installments without penalty, with payments due January 31, March 31, May 31, and July 31. Most counties offer online payment through the county tax assessor-collector's website. Some counties charge a convenience fee for credit card payments — check your county's website for details. If your property is escrowed through your mortgage, your lender pays property taxes on your behalf. Verify that payment has been made, as you remain legally responsible even if the lender fails to pay.
Statewide framework for Texas. Your county's specific rates and deadlines are shown above.
Other Counties in Texas
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Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.