Williamson Value property tax analysis

16201 Castletroy Dr, Austin, TX 78717

2 bathrooms, 1,887 sqft, built 2003, in R250401D - Avery Ranch East (Ph. 1) Appraised at $485,955 for 2026.

Williamson County account 223966

Appraised value
$485,955
Tax year 2026
Market value
$485,955
Living area
1,887 sqft
$258 per sqft
Year built
2003

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 -1.7% from $494,265 in 2025 to $485,955 in 2026.