Williamson Value property tax analysis

3822 Sebastian Cv, Round Rock, TX 78681

2 bathrooms, 2,049 sqft, built 2005, in L498506D - Village At Mayfield Appraised at $462,837 for 2026.

Williamson County account 245884

Appraised value
$462,837
Tax year 2026
Market value
$462,837
Living area
2,049 sqft
$226 per sqft
Year built
2005

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 -10.9% from $519,169 in 2025 to $462,837 in 2026.