Williamson Value property tax analysis

3814 Riardo Dr, Round Rock, TX 78665

5 bed / 3 bath, 3,603 sqft, built 2022, in H123421C - Salerno Appraised at $637,751 for 2026.

Williamson County account 448920

Appraised value
$637,751
Tax year 2026
Market value
$637,751
Living area
3,603 sqft
$177 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 -6.1% from $679,212 in 2025 to $637,751 in 2026.