Williamson Value property tax analysis

4188 Van Ness Ave, Round Rock, TX 78681

3 bed / 2 bath, 2,227 sqft, built 2019, in G799514C - Mayfield Ranch Appraised at $501,375 for 2026.

Williamson County account 384523

Appraised value
$501,375
Tax year 2026
Market value
$501,375
Living area
2,227 sqft
$225 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 -6.5% from $536,514 in 2025 to $501,375 in 2026.