Williamson Value property tax analysis

3801 Sam Bass Rd, Round Rock, TX 78681

2 bathrooms, 1,938 sqft, built 1971, in R201578D - Great Oaks Sec 1, 1 (Amd), & 2 Appraised at $664,232 for 2026.

Williamson County account 111586

Appraised value
$664,232
Tax year 2026
Market value
$664,232
Living area
1,938 sqft
$343 per sqft
Year built
1971

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 -10.3% from $740,467 in 2025 to $664,232 in 2026.