Williamson Value property tax analysis

604 Main Ave E, Round Rock, TX 78664

1 bathrooms, 1,960 sqft, built 1955, in R701575F - Old Town Round Rock Appraised at $553,826 for 2026.

Williamson County account 126658

Appraised value
$553,826
Tax year 2026
Market value
$583,911
Living area
1,960 sqft
$283 per sqft
Year built
1955

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 +10.0% from $503,478 in 2025 to $553,826 in 2026.