Williamson Value property tax analysis

1603 Rock Creek Dr, Round Rock, TX 78681

1 bathrooms, 1,714 sqft, built 1979, in R310479G - Cimarron - All Sections Appraised at $453,107 for 2026.

Williamson County account 116683

Appraised value
$453,107
Tax year 2026
Market value
$473,883
Living area
1,714 sqft
$264 per sqft
Year built
1979

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 $411,915 in 2025 to $453,107 in 2026.