Williamson Value property tax analysis

5908 Agostino Dr, Round Rock, TX 78665

3 bed / 2 bath, 1,828 sqft, built 2020, in H121413C - Siena Appraised at $378,384 for 2026.

Williamson County account 395096

Appraised value
$378,384
Tax year 2026
Market value
$378,384
Living area
1,828 sqft
$207 per sqft
Year built
2020

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 -4.6% from $396,708 in 2025 to $378,384 in 2026.