Understanding Property Taxes in Williamson County, Texas

How Williamson County Property Taxes Are Calculated

Property taxes in Williamson County are calculated using the following formula:

(Assessed Value - Exemptions) ร— Tax Rate = Annual Property Tax

For example, if your home is assessed at $315,000 and you have no exemptions, your annual property tax would be:

$315,000 ร— 1.65% = $5,197

Assessment Process in Williamson County

In Williamson County, properties are assessed at 100% of their market value. The assessment is conducted by the county assessor's office.

Williamson County is north of Austin. Fast-growing tech suburb.

How to Pay Property Taxes in Williamson County

Property taxes in Williamson County are typically paid annually or semi-annually. Payment options include:

  • Online payment through the county website
  • Mail a check to the county treasurer
  • In-person payment at the county office
  • Through your mortgage escrow account

How to Appeal Your Assessment in Williamson County

If you believe your property assessment is too high, you have the right to appeal. The process typically involves:

  1. Filing an appeal with the county board of review
  2. Providing evidence of comparable property values
  3. Attending a hearing (optional but recommended)

Appeals must be filed within 30-60 days of receiving your assessment notice. Check with Williamson County Assessor's Office for specific deadlines.

Williamson County Property Tax Information

๐Ÿ“Š Key Statistics

Average Tax Rate 1.65%
Average Home Value $315,000
Average Annual Tax $5,197
Assessment Ratio 100%

๐Ÿ’ฐ Available Exemptions

  • Homestead Exemption ($40,000)
  • Senior 65+ Exemption

๐Ÿ“ Important Notes

Williamson County is north of Austin. Fast-growing tech suburb.

Williamson County Property Tax Calculator

Estimate your 2026 property taxes in Williamson County, Texas

Average home value in Williamson County: $315,000
Williamson County assessment ratio: 100% of market value
Williamson County average tax rate: 1.65%
Select an exemption below or enter manually
None TX Homestead ($40,000)