Williamson Value property tax analysis

909 Summit Dr, Round Rock, TX 78664

3 bathrooms, 3,830 sqft, built 1961, in R503460E - Summit, Big Oaks, Vista Abstracts Appraised at $745,379 for 2026.

Williamson County account 111421

Appraised value
$745,379
Tax year 2026
Market value
$745,379
Living area
3,830 sqft
$195 per sqft
Year built
1961

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 -35.1% from $1,147,888 in 2025 to $745,379 in 2026.