Williamson Value property tax analysis

104 S Black St, Round Rock, TX 78664

3 bed / 2 bath, 1,721 sqft, built 2018, in R701575F - Old Town Round Rock Appraised at $598,854 for 2026.

Williamson County account 126639

Appraised value
$598,854
Tax year 2026
Market value
$610,977
Living area
1,721 sqft
$348 per sqft
Year built
2018

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 $544,413 in 2025 to $598,854 in 2026.