Williamson Value property tax analysis

12103 Acorn Creek Trl, Austin, TX 78750

2 bathrooms, 1,645 sqft, built 1977, in R3P5480G - Anderson Mill 12,16 - 20 - Partially In Tcad Appraised at $399,043 for 2026.

Williamson County account 120144

Appraised value
$399,043
Tax year 2026
Market value
$399,043
Living area
1,645 sqft
$243 per sqft
Year built
1977

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 -4.6% from $418,266 in 2025 to $399,043 in 2026.