Williamson Value property tax analysis

4509 Aria Cv, Round Rock, TX 78681

2 bathrooms, 2,021 sqft, built 2006, in R101506D - Sendero Springs Sec 4,5 East Of Ss Dr. Appraised at $566,205 for 2026.

Williamson County account 233020

Appraised value
$566,205
Tax year 2026
Market value
$579,843
Living area
2,021 sqft
$280 per sqft
Year built
2006

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 $514,732 in 2025 to $566,205 in 2026.