Williamson Value property tax analysis

5937 Agostino Dr, Round Rock, TX 78665

3 bed / 2 bath, 1,830 sqft, built 2019, in H121413C - Siena Appraised at $396,388 for 2026.

Williamson County account 395130

Appraised value
$396,388
Tax year 2026
Market value
$396,388
Living area
1,830 sqft
$217 per sqft
Year built
2019

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 -4.3% from $414,195 in 2025 to $396,388 in 2026.