Williamson Value property tax analysis

9517 Castle Pines Dr, Austin, TX 78717

3 bathrooms, 2,455 sqft, built 2006, in R251501D - Avery Ranch South Appraised at $615,899 for 2026.

Williamson County account 255741

Appraised value
$615,899
Tax year 2026
Market value
$615,899
Living area
2,455 sqft
$251 per sqft
Year built
2006

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 +6.8% from $576,905 in 2025 to $615,899 in 2026.