Williamson Value property tax analysis

12115 Grey Rock Ln, Austin, TX 78750

2 bathrooms, 1,410 sqft, built 1977, in R3P5480G - Anderson Mill 12,16 - 20 - Partially In Tcad Appraised at $341,954 for 2026.

Williamson County account 120103

Appraised value
$341,954
Tax year 2026
Market value
$341,954
Living area
1,410 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 -5.6% from $362,061 in 2025 to $341,954 in 2026.