Williamson Value property tax analysis

9429 Castle Pines Dr, Austin, TX 78717

2 bathrooms, 1,718 sqft, built 2005, in R251501D - Avery Ranch South Appraised at $499,853 for 2026.

Williamson County account 255705

Appraised value
$499,853
Tax year 2026
Market value
$499,853
Living area
1,718 sqft
$291 per sqft
Year built
2005

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 -8.8% from $548,129 in 2025 to $499,853 in 2026.