Williamson Value property tax analysis

5933 Agostino Dr, Round Rock, TX 78665

4 bed / 2 bath, 1,965 sqft, built 2019, in H121413C - Siena Appraised at $378,483 for 2026.

Williamson County account 395131

Appraised value
$378,483
Tax year 2026
Market value
$378,483
Living area
1,965 sqft
$193 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 -4.9% from $397,907 in 2025 to $378,483 in 2026.