Williamson Value property tax analysis

621 Hawthorn Ln, Round Rock, TX 78664

2 bathrooms, 1,113 sqft, built 1986, in R510485H - Southcreek Appraised at $307,624 for 2026.

Williamson County account 137277

Appraised value
$307,624
Tax year 2026
Market value
$307,624
Living area
1,113 sqft
$276 per sqft
Year built
1986

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 -5.0% from $323,800 in 2025 to $307,624 in 2026.