Williamson Value property tax analysis

3825 Winnie Pl, Round Rock, TX 78681

4 bed / 3 bath, 2,890 sqft, built 2021, in G799514C - Mayfield Ranch Appraised at $641,408 for 2026.

Williamson County account 422311

Appraised value
$641,408
Tax year 2026
Market value
$641,408
Living area
2,890 sqft
$222 per sqft
Year built
2021

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 -1.1% from $648,848 in 2025 to $641,408 in 2026.