Williamson Value property tax analysis

620 Chisholm Valley Dr, Round Rock, TX 78681

2 bathrooms, 1,184 sqft, built 1979, in R332479H - Chisholm Valley & Northridge Acres & Willow Run Appraised at $289,582 for 2026.

Williamson County account 116140

Appraised value
$289,582
Tax year 2026
Market value
$289,582
Living area
1,184 sqft
$245 per sqft
Year built
1979

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 -9.8% from $320,966 in 2025 to $289,582 in 2026.