Williamson Value property tax analysis

4449 Acerno St, Round Rock, TX 78665

3 bed / 2 bath, 1,618 sqft, built 2022, in H123421C - Salerno Appraised at $341,093 for 2026.

Williamson County account 447000

Appraised value
$341,093
Tax year 2026
Market value
$341,093
Living area
1,618 sqft
$211 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 -10.1% from $379,319 in 2025 to $341,093 in 2026.