Williamson Value property tax analysis

603 Lilac Dr, Round Rock, TX 78664

2 bathrooms, 1,506 sqft, built 1999, in R462475H - Egger Acres Appraised at $351,562 for 2026.

Williamson County account 117763

Appraised value
$351,562
Tax year 2026
Market value
$351,562
Living area
1,506 sqft
$233 per sqft
Year built
1999

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 -1.8% from $358,079 in 2025 to $351,562 in 2026.