Williamson Value property tax analysis

431 Maple Run, Round Rock, TX 78664

2 bathrooms, 1,311 sqft, built 1985, in R510485H - Southcreek Appraised at $319,299 for 2026.

Williamson County account 143895

Appraised value
$319,299
Tax year 2026
Market value
$319,299
Living area
1,311 sqft
$244 per sqft
Year built
1985

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 -5.6% from $338,335 in 2025 to $319,299 in 2026.