Williamson Value property tax analysis

3347 Marcasite Dr, Round Rock, TX 78681

3 bathrooms, 3,786 sqft, built 2007, in R147606C - Walsh Ranch Appraised at $990,261 for 2026.

Williamson County account 281551

Appraised value
$990,261
Tax year 2026
Market value
$1,012,831
Living area
3,786 sqft
$262 per sqft
Year built
2007

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 $900,237 in 2025 to $990,261 in 2026.