Williamson Value property tax analysis

1212 Rainbow Cv, Round Rock, TX 78665

2 bathrooms, 1,724 sqft, built 2010, in R457404G - Rainbow Parke Appraised at $328,181 for 2026.

Williamson County account 259180

Appraised value
$328,181
Tax year 2026
Market value
$328,181
Living area
1,724 sqft
$190 per sqft
Year built
2010

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 -7.4% from $354,298 in 2025 to $328,181 in 2026.