When are property taxes due in Williamson County, Texas?

Williamson County property taxes are due January 31. This deadline applies to all counties in Texas.

What is the penalty for late property tax payment in Williamson County, Texas?

The late payment penalty in Williamson County is 6% in February, +1% per month after.

How do I pay Williamson County, Texas property taxes?

You can pay Williamson County property taxes via Online, mail, in-person.

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Williamson County Property Tax Due Date

Texas

(512) 943-1601

2026 Property Tax Due Dates

Official Source

Due Date

January 31

Full payment

Pay Taxes Online →

Penalty: 6% in February, +1% per month afterGrace period: None

Payment Methods

Online, Mail, In-Person

Williamson County Treasurer

Treasurer

Larry Gaddes

Phone

(512) 943-1601

Office Address

904 S Main St
Georgetown, TX 78626

Get Directions

Office Hours

Mon 8am - 5:30pm

Tue-Fri 8am - 4pm

How to Pay

Online

Pay using credit card or e-check

Visit Website →

By Mail

Mail check payable to Williamson County Treasurer

Visit Website →

In Person

Visit the Treasurer's office — 904 S Main St, Georgetown TX 78626, Mon 8am - 5:30pm

Visit Website →

Other Counties in Texas

Anderson Andrews Angelina Aransas Archer Armstrong Atascosa Austin

View all Texas counties →

About Williamson County

Williamson County (sometimes abbreviated as "Wilco") is a county in the U.S. state of Texas. As of the 2020 census, its population was 609,017. The 2024 population estimate was 727,480.

Source: Wikipedia — content available under CC BY-SA 4.0

Related Resources

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Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.