Williamson Value property tax analysis

16312 Castletroy Dr, Austin, TX 78717

2 bathrooms, 2,253 sqft, built 2003, in R250401D - Avery Ranch East (Ph. 1) Appraised at $606,383 for 2026.

Williamson County account 223956

Appraised value
$606,383
Tax year 2026
Market value
$606,383
Living area
2,253 sqft
$269 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 -2.7% from $623,033 in 2025 to $606,383 in 2026.