Travis Value property tax analysis

4005 Island Knoll Dr, Austin, TX 78746

4 bathrooms, 4,579 sqft, built 1999, in K & J P Subd Rplt Appraised at $4,359,455 for 2026.

Travis County account 000000374860

Appraised value
$4,359,455
Tax year 2026
Market value
$5,501,231
Living area
4,579 sqft
$952 per sqft
Year built
1999

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 -3.5% from $4,516,705 in 2025 to $4,359,455 in 2026.