Williamson Value property tax analysis

1900 Mulligan Dr, Round Rock, TX 78664

3 bathrooms, 3,189 sqft, built 1998, in R545698D - Forest Creek Sec 8 & 9 Appraised at $584,757 for 2026.

Williamson County account 200829

Appraised value
$584,757
Tax year 2026
Market value
$584,757
Living area
3,189 sqft
$183 per sqft
Year built
1998

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 +2.3% from $571,381 in 2025 to $584,757 in 2026.