Williamson Value property tax analysis

1200 Rainbow Parke Dr, Round Rock, TX 78665

2 bathrooms, 1,799 sqft, built 2005, in R457404G - Rainbow Parke Appraised at $329,156 for 2026.

Williamson County account 259190

Appraised value
$329,156
Tax year 2026
Market value
$329,156
Living area
1,799 sqft
$183 per sqft
Year built
2005

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 -8.5% from $359,675 in 2025 to $329,156 in 2026.