Williamson Value property tax analysis

3829 Winnie Pl, Round Rock, TX 78681

4 bed / 3 bath, 2,916 sqft, built 2021, in G799514C - Mayfield Ranch Appraised at $713,815 for 2026.

Williamson County account 422310

Appraised value
$713,815
Tax year 2026
Market value
$713,815
Living area
2,916 sqft
$245 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 -2.4% from $731,523 in 2025 to $713,815 in 2026.