Williamson Value property tax analysis

4012 Sapphire Loop, Round Rock, TX 78681

2 bathrooms, 2,338 sqft, built 2009, in L495414C - Borho/Mayfield Ranch/Sapphire Loop Appraised at $495,785 for 2026.

Williamson County account 277279

Appraised value
$495,785
Tax year 2026
Market value
$495,785
Living area
2,338 sqft
$212 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 -9.8% from $549,704 in 2025 to $495,785 in 2026.