Williamson Value property tax analysis

5916 Agostino Dr, Round Rock, TX 78665

3 bed / 2 bath, 1,722 sqft, built 2018, in H121413C - Siena Appraised at $358,976 for 2026.

Williamson County account 395098

Appraised value
$358,976
Tax year 2026
Market value
$358,976
Living area
1,722 sqft
$208 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 -3.9% from $373,578 in 2025 to $358,976 in 2026.