Williamson Value property tax analysis

2109 Mockingbird Dr, Round Rock, TX 78681

2 bathrooms, 2,576 sqft, built 1991, in R280589F - Oakcreek Sec 1,2, And (Amd's) Appraised at $634,274 for 2026.

Williamson County account 153727

Appraised value
$634,274
Tax year 2026
Market value
$634,274
Living area
2,576 sqft
$246 per sqft
Year built
1991

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 -2.8% from $652,411 in 2025 to $634,274 in 2026.