Williamson Value property tax analysis

16820 Dorman Dr, Round Rock, TX 78681

2 bathrooms, 1,506 sqft, built 1997, in R222592G - Cat Hollow All Sections R4 Appraised at $374,512 for 2026.

Williamson County account 172640

Appraised value
$374,512
Tax year 2026
Market value
$374,512
Living area
1,506 sqft
$249 per sqft
Year built
1997

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 -10.5% from $418,580 in 2025 to $374,512 in 2026.