Williamson Value property tax analysis

1905 Mulligan Dr, Round Rock, TX 78664

4 bathrooms, 2,809 sqft, built 2010, in R545698D - Forest Creek Sec 8 & 9 Appraised at $606,452 for 2026.

Williamson County account 216360

Appraised value
$606,452
Tax year 2026
Market value
$606,452
Living area
2,809 sqft
$216 per sqft
Year built
2010

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 +0.6% from $602,899 in 2025 to $606,452 in 2026.