Williamson Value property tax analysis

5804 Sardinia Dr, Round Rock, TX 78665

2 bathrooms, 1,787 sqft, built 2015, in H121413C - Siena Appraised at $344,437 for 2026.

Williamson County account 332103

Appraised value
$344,437
Tax year 2026
Market value
$344,437
Living area
1,787 sqft
$193 per sqft
Year built
2015

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 -3.6% from $357,158 in 2025 to $344,437 in 2026.