Williamson Value property tax analysis

3818 Riardo Dr, Round Rock, TX 78665

3 bed / 2 bath, 2,468 sqft, built 2022, in H123421C - Salerno Appraised at $474,663 for 2026.

Williamson County account 448919

Appraised value
$474,663
Tax year 2026
Market value
$474,663
Living area
2,468 sqft
$192 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 -0.4% from $476,563 in 2025 to $474,663 in 2026.