Williamson Value property tax analysis

4513 Acerno St, Round Rock, TX 78665

3 bed / 2 bath, 1,618 sqft, built 2022, in H123421C - Salerno Appraised at $336,263 for 2026.

Williamson County account 446972

Appraised value
$336,263
Tax year 2026
Market value
$336,263
Living area
1,618 sqft
$208 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 $365,642 in 2025 to $336,263 in 2026.