Williamson Value property tax analysis

13009 Marimba Trl, Austin, TX 78729

3 bed / 2 bath, 1,054 sqft, built 1987, in R390485G - Milwood Sec 28 & 29 Appraised at $314,647 for 2026.

Williamson County account 139126

Appraised value
$314,647
Tax year 2026
Market value
$314,647
Living area
1,054 sqft
$299 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 -9.1% from $346,081 in 2025 to $314,647 in 2026.