Williamson Value property tax analysis

4626 Arzano Ln, Round Rock, TX 78665

5 bed / 4 bath, 3,369 sqft, built 2024, in H123421C - Salerno Appraised at $684,272 for 2026.

Williamson County account 471470

Appraised value
$684,272
Tax year 2026
Market value
$684,272
Living area
3,369 sqft
$203 per sqft
Year built
2024

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 -5.7% from $725,499 in 2025 to $684,272 in 2026.