Williamson Value property tax analysis

4345 CR 123, Round Rock, TX 78664

2 bathrooms, 1,340 sqft, built 1980, in H005D86H - Hutto Abstracts Appraised at $415,763 for 2026.

Williamson County account 79380

Appraised value
$415,763
Tax year 2026
Market value
$527,054
Living area
1,340 sqft
$310 per sqft
Year built
1980

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 +10.0% from $377,966 in 2025 to $415,763 in 2026.