Williamson Value property tax analysis

12807 Spillway Dr, Austin, TX 78729

2 bathrooms, 1,400 sqft, built 1982, in R350481H - Anderson Mill Village Appraised at $370,762 for 2026.

Williamson County account 112631

Appraised value
$370,762
Tax year 2026
Market value
$370,762
Living area
1,400 sqft
$265 per sqft
Year built
1982

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 $382,697 in 2025 to $370,762 in 2026.