Williamson Value property tax analysis

5633 Sacco St, Round Rock, TX 78665

2 bathrooms, 1,590 sqft, built 2017, in H121413C - Siena Appraised at $345,588 for 2026.

Williamson County account 350900

Appraised value
$345,588
Tax year 2026
Market value
$345,588
Living area
1,590 sqft
$217 per sqft
Year built
2017

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 -4.1% from $360,537 in 2025 to $345,588 in 2026.