Williamson Value property tax analysis

4504 Acerno St, Round Rock, TX 78665

1,942 sqft, built 2023, in H123421C - Salerno Appraised at $357,847 for 2026.

Williamson County account 447043

Appraised value
$357,847
Tax year 2026
Market value
$357,847
Living area
1,942 sqft
$184 per sqft
Year built
2023

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 -8.7% from $391,948 in 2025 to $357,847 in 2026.