Williamson Value property tax analysis

4512 Avellino Dr, Round Rock, TX 78665

4 bed / 2 bath, 1,618 sqft, built 2022, in H123421C - Salerno Appraised at $335,114 for 2026.

Williamson County account 436443

Appraised value
$335,114
Tax year 2026
Market value
$335,114
Living area
1,618 sqft
$207 per sqft
Year built
2022

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 -8.0% from $364,435 in 2025 to $335,114 in 2026.