Williamson Value property tax analysis

3812 Lombard St, Round Rock, TX 78681

4 bed / 3 bath, 2,877 sqft, built 2019, in G799514C - Mayfield Ranch Appraised at $630,909 for 2026.

Williamson County account 392235

Appraised value
$630,909
Tax year 2026
Market value
$630,909
Living area
2,877 sqft
$219 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 -1.7% from $641,754 in 2025 to $630,909 in 2026.