Williamson Value property tax analysis

128 Kulmbacher Dr, Austin, TX 78728

4 bed / 2 bath, 1,743 sqft, built 2019, in R305419C - Timmermann/Kb Appraised at $398,350 for 2026.

Williamson County account 403575

Appraised value
$398,350
Tax year 2026
Market value
$398,350
Living area
1,743 sqft
$229 per sqft
Year built
2019

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 -7.3% from $429,718 in 2025 to $398,350 in 2026.