Williamson Value property tax analysis

3603 Hillrock Dr, Round Rock, TX 78681

2 bathrooms, 1,073 sqft, built 1983, in R210480H - Brushy Creek Appraised at $326,354 for 2026.

Williamson County account 115040

Appraised value
$326,354
Tax year 2026
Market value
$326,354
Living area
1,073 sqft
$304 per sqft
Year built
1983

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 +0.1% from $326,107 in 2025 to $326,354 in 2026.