Williamson Value property tax analysis

3870 Mayfield Ranch Blvd, Round Rock, TX 78681

2 bathrooms, 1,726 sqft, built 2005, in R107503F - Preserve At Stone Oak - Ph 3 & 4 Appraised at $357,028 for 2026.

Williamson County account 256001

Appraised value
$357,028
Tax year 2026
Market value
$357,028
Living area
1,726 sqft
$207 per sqft
Year built
2005

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 -8.4% from $389,692 in 2025 to $357,028 in 2026.