Williamson Value property tax analysis

1106 Mastiff Cv, Round Rock, TX 78664

2 bathrooms, 1,544 sqft, built 2001, in R437401G - ChandlerCrSec6C,10,11-K&B Reek Sec 6C,10,11: K& B Appraised at $304,269 for 2026.

Williamson County account 222254

Appraised value
$304,269
Tax year 2026
Market value
$304,269
Living area
1,544 sqft
$197 per sqft
Year built
2001

Why this page matters for a protest

A strong tax protest page needs the county value, property facts, and enough context to compare this home with similar properties nearby. This page gives homeowners a starting point before reviewing comparable homes and prior-year changes.

The county value changed -9.3% from $335,392 in 2025 to $304,269 in 2026.