Williamson Value property tax analysis

12931 Marimba Trl, Austin, TX 78729

3 bed / 2 bath, 811 sqft, built 1987, in R390485G - Milwood Sec 28 & 29 Appraised at $267,320 for 2026.

Williamson County account 139132

Appraised value
$267,320
Tax year 2026
Market value
$267,320
Living area
811 sqft
$330 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 -9.3% from $294,647 in 2025 to $267,320 in 2026.