Williamson Value property tax analysis

13011 Marimba Trl, Austin, TX 78729

3 bed / 2 bath, 1,012 sqft, built 1987, in R390485G - Milwood Sec 28 & 29 Appraised at $296,347 for 2026.

Williamson County account 139125

Appraised value
$296,347
Tax year 2026
Market value
$296,347
Living area
1,012 sqft
$293 per sqft
Year built
1987

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 -8.8% from $324,775 in 2025 to $296,347 in 2026.