Williamson Value property tax analysis

4180 Van Ness Ave, Round Rock, TX 78681

3 bed / 2 bath, 1,880 sqft, built 2018, in G799514C - Mayfield Ranch Appraised at $418,618 for 2026.

Williamson County account 384521

Appraised value
$418,618
Tax year 2026
Market value
$418,618
Living area
1,880 sqft
$223 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 -5.1% from $441,018 in 2025 to $418,618 in 2026.