Williamson Value property tax analysis

4200 Mangrove Cave Ct, Round Rock, TX 78681

2 bathrooms, 1,856 sqft, built 2001, in R107503F - Preserve At Stone Oak - Ph 3 & 4 Appraised at $383,935 for 2026.

Williamson County account 215670

Appraised value
$383,935
Tax year 2026
Market value
$383,935
Living area
1,856 sqft
$207 per sqft
Year built
2001

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 -6.4% from $410,402 in 2025 to $383,935 in 2026.