Williamson Value property tax analysis

4128 Moss Hollow Dr, Round Rock, TX 78681

2 bathrooms, 1,924 sqft, built 2001, in L494500D - Vista Oaks Sec 5B Ph 2 & Sec 5C Appraised at $431,411 for 2026.

Williamson County account 214851

Appraised value
$431,411
Tax year 2026
Market value
$431,411
Living area
1,924 sqft
$224 per sqft
Year built
2001

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 +1.9% from $423,212 in 2025 to $431,411 in 2026.