Williamson Value property tax analysis

800 E Main St, Round Rock, TX 78664

1,800 sqft, built 1907, in R703T14G - Round Rock Historical Appraised at $569,339 for 2026.

Williamson County account 123918

Appraised value
$569,339
Tax year 2026
Market value
$569,339
Living area
1,800 sqft
$316 per sqft
Year built
1907

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 +6.2% from $536,347 in 2025 to $569,339 in 2026.