Williamson Value property tax analysis

3800 Derby Trl, Round Rock, TX 78681

2 bathrooms, 2,187 sqft, built 2003, in L498506D - Village At Mayfield Appraised at $472,820 for 2026.

Williamson County account 240036

Appraised value
$472,820
Tax year 2026
Market value
$472,820
Living area
2,187 sqft
$216 per sqft
Year built
2003

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 -10.7% from $529,364 in 2025 to $472,820 in 2026.