Williamson Value property tax analysis

5808 Agostino Dr, Round Rock, TX 78665

3 bed / 2 bath, 1,821 sqft, built 2018, in H121413C - Siena Appraised at $372,269 for 2026.

Williamson County account 395090

Appraised value
$372,269
Tax year 2026
Market value
$372,269
Living area
1,821 sqft
$204 per sqft
Year built
2018

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 -3.0% from $383,922 in 2025 to $372,269 in 2026.