Williamson Value property tax analysis

11209 Amethyst Trl, Austin, TX 78750

2 bathrooms, 1,502 sqft, built 1978, in R3P5480G - Anderson Mill 12,16 - 20 - Partially In Tcad Appraised at $423,360 for 2026.

Williamson County account 130949

Appraised value
$423,360
Tax year 2026
Market value
$423,360
Living area
1,502 sqft
$282 per sqft
Year built
1978

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 -3.1% from $437,003 in 2025 to $423,360 in 2026.