Williamson Value property tax analysis

4226 Adagio Pl, Round Rock, TX 78681

2 bathrooms, 2,446 sqft, built 2009, in R101506D - Sendero Springs Sec 4,5 East Of Ss Dr. Appraised at $640,848 for 2026.

Williamson County account 291602

Appraised value
$640,848
Tax year 2026
Market value
$641,369
Living area
2,446 sqft
$262 per sqft
Year built
2009

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 $582,589 in 2025 to $640,848 in 2026.