Williamson Value property tax analysis

16216 Castletroy Dr, Austin, TX 78717

2 bathrooms, 1,818 sqft, built 2004, in R250401D - Avery Ranch East (Ph. 1) Appraised at $492,053 for 2026.

Williamson County account 223960

Appraised value
$492,053
Tax year 2026
Market value
$492,053
Living area
1,818 sqft
$271 per sqft
Year built
2004

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 -1.6% from $500,093 in 2025 to $492,053 in 2026.