Williamson Value property tax analysis

6229 Mantalcino Dr, Round Rock, TX 78665

3 bed / 2 bath, 1,780 sqft, built 2019, in H121413C - Siena Appraised at $352,314 for 2026.

Williamson County account 370816

Appraised value
$352,314
Tax year 2026
Market value
$352,314
Living area
1,780 sqft
$198 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 -1.5% from $357,741 in 2025 to $352,314 in 2026.