Williamson Value property tax analysis

5909 Agostino Dr, Round Rock, TX 78665

1,729 sqft, built 2020, in H121413C - Siena Appraised at $367,727 for 2026.

Williamson County account 395137

Appraised value
$367,727
Tax year 2026
Market value
$367,727
Living area
1,729 sqft
$213 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 -3.7% from $382,009 in 2025 to $367,727 in 2026.