Williamson Value property tax analysis

513 Old West Dr, Round Rock, TX 78681

2 bathrooms, 1,257 sqft, built 1982, in R332479H - Chisholm Valley & Northridge Acres & Willow Run Appraised at $329,918 for 2026.

Williamson County account 115951

Appraised value
$329,918
Tax year 2026
Market value
$329,918
Living area
1,257 sqft
$262 per sqft
Year built
1982

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 -9.5% from $364,611 in 2025 to $329,918 in 2026.