Williamson Value property tax analysis

1820 Aberdeen Dr, Round Rock, TX 78664

2 bathrooms, 1,271 sqft, built 1978, in R463489I - Greenhill Sec 1,3,5 Appraised at $310,000 for 2026.

Williamson County account 119141

Appraised value
$310,000
Tax year 2026
Market value
$310,000
Living area
1,271 sqft
$244 per sqft
Year built
1978

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 -16.2% from $370,116 in 2025 to $310,000 in 2026.