Williamson Value property tax analysis

6248 Mantalcino Dr, Round Rock, TX 78665

3 bed / 2 bath, 1,853 sqft, built 2018, in H121413C - Siena Appraised at $353,895 for 2026.

Williamson County account 370850

Appraised value
$353,895
Tax year 2026
Market value
$353,895
Living area
1,853 sqft
$191 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 -3.5% from $366,870 in 2025 to $353,895 in 2026.