Williamson Value property tax analysis

3813 Vallarta Ln, Round Rock, TX 78681

2 bathrooms, 1,802 sqft, built 2004, in L498506D - Village At Mayfield Appraised at $393,739 for 2026.

Williamson County account 255066

Appraised value
$393,739
Tax year 2026
Market value
$393,739
Living area
1,802 sqft
$219 per sqft
Year built
2004

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 -4.4% from $411,890 in 2025 to $393,739 in 2026.