Williamson Value property tax analysis

420 Maple Run, Round Rock, TX 78664

2 bathrooms, 1,364 sqft, built 1986, in R510485H - Southcreek Appraised at $353,466 for 2026.

Williamson County account 143872

Appraised value
$353,466
Tax year 2026
Market value
$353,466
Living area
1,364 sqft
$259 per sqft
Year built
1986

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 +1.3% from $349,055 in 2025 to $353,466 in 2026.