Williamson Value property tax analysis

3819 Sapphire Loop, Round Rock, TX 78681

2 bathrooms, 2,808 sqft, built 2007, in L495414C - Borho/Mayfield Ranch/Sapphire Loop Appraised at $597,405 for 2026.

Williamson County account 277237

Appraised value
$597,405
Tax year 2026
Market value
$597,405
Living area
2,808 sqft
$213 per sqft
Year built
2007

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 -9.2% from $657,653 in 2025 to $597,405 in 2026.