Williamson Value property tax analysis

3644 Fossilwood Way, Round Rock, TX 78681

2 bathrooms, 2,712 sqft, built 2004, in L498506D - Village At Mayfield Appraised at $590,724 for 2026.

Williamson County account 247915

Appraised value
$590,724
Tax year 2026
Market value
$590,724
Living area
2,712 sqft
$218 per sqft
Year built
2004

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 +5.2% from $561,631 in 2025 to $590,724 in 2026.