Williamson Value property tax analysis

4707 Knollwood Cir, Round Rock, TX 78681

2 bathrooms, 1,890 sqft, built 1977, in L580D75C - Leander Sam Bass Area Appraised at $922,840 for 2026.

Williamson County account 91147

Appraised value
$922,840
Tax year 2026
Market value
$922,840
Living area
1,890 sqft
$488 per sqft
Year built
1977

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 +7.2% from $860,615 in 2025 to $922,840 in 2026.