Williamson Value property tax analysis

4557 Avellino Dr, Round Rock, TX 78665

3 bed / 2 bath, 1,767 sqft, built 2024, in H123421C - Salerno Appraised at $358,664 for 2026.

Williamson County account 436429

Appraised value
$358,664
Tax year 2026
Market value
$358,664
Living area
1,767 sqft
$203 per sqft
Year built
2024

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 -5.2% from $378,193 in 2025 to $358,664 in 2026.