Williamson Value property tax analysis

11909 Swan Dr, Austin, TX 78750

4 bed / 2 bath, 1,633 sqft, built 1977, in R353476G - Anderson Mill Appraised at $477,899 for 2026.

Williamson County account 133556

Appraised value
$477,899
Tax year 2026
Market value
$477,899
Living area
1,633 sqft
$293 per sqft
Year built
1977

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 +0.8% from $473,897 in 2025 to $477,899 in 2026.