Williamson Value property tax analysis

15409 Interlachen Dr, Austin, TX 78717

2 bathrooms, 2,237 sqft, built 2003, in L572601A - Avery Estates & Golf Club @ Avery Ranch Appraised at $676,800 for 2026.

Williamson County account 240403

Appraised value
$676,800
Tax year 2026
Market value
$705,911
Living area
2,237 sqft
$303 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 +20.0% from $564,000 in 2025 to $676,800 in 2026.