Williamson Value property tax analysis

4258 Arques Ave, Round Rock, TX 78681

3 bed / 2 bath, 1,595 sqft, built 2019, in G799514C - Mayfield Ranch Appraised at $390,764 for 2026.

Williamson County account 370363

Appraised value
$390,764
Tax year 2026
Market value
$390,764
Living area
1,595 sqft
$245 per sqft
Year built
2019

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 -12.6% from $446,924 in 2025 to $390,764 in 2026.