Williamson Value property tax analysis

1315 Old Austin Rock Rd, Round Rock, TX 78681

1 bathrooms, 857 sqft, built 1950, in R332479H - Chisholm Valley & Northridge Acres & Willow Run Appraised at $243,637 for 2026.

Williamson County account 383003

Appraised value
$243,637
Tax year 2026
Market value
$243,637
Living area
857 sqft
$284 per sqft
Year built
1950

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 -20.9% from $307,982 in 2025 to $243,637 in 2026.