Williamson Value property tax analysis

3904 Lone Oak Trl, Round Rock, TX 78681

2 bathrooms, 2,344 sqft, built 2004, in R201578D - Great Oaks Sec 1, 1 (Amd), & 2 Appraised at $786,510 for 2026.

Williamson County account 118946

Appraised value
$786,510
Tax year 2026
Market value
$786,510
Living area
2,344 sqft
$336 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 +2.6% from $766,539 in 2025 to $786,510 in 2026.