Williamson Value property tax analysis

4705 Knollwood Cir, Round Rock, TX 78681

2 bathrooms, 2,176 sqft, built 1986, in L580D75C - Leander Sam Bass Area Appraised at $857,984 for 2026.

Williamson County account 91146

Appraised value
$857,984
Tax year 2026
Market value
$886,662
Living area
2,176 sqft
$394 per sqft
Year built
1986

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 $779,985 in 2025 to $857,984 in 2026.