Williamson Value property tax analysis

4001 Hillside Dr, Round Rock, TX 78681

2 bathrooms, 1,133 sqft, built 1979, in R210480H - Brushy Creek Appraised at $293,501 for 2026.

Williamson County account 114428

Appraised value
$293,501
Tax year 2026
Market value
$293,501
Living area
1,133 sqft
$259 per sqft
Year built
1979

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 -9.3% from $323,456 in 2025 to $293,501 in 2026.