Williamson Value property tax analysis

3609 Hillrock Dr, Round Rock, TX 78681

2 bathrooms, 1,277 sqft, built 1983, in R210480H - Brushy Creek Appraised at $319,923 for 2026.

Williamson County account 115037

Appraised value
$319,923
Tax year 2026
Market value
$319,923
Living area
1,277 sqft
$251 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 -5.4% from $338,264 in 2025 to $319,923 in 2026.