Williamson Value property tax analysis

1296 Johnson Ln, Round Rock, TX 78665

2 bathrooms, 2,489 sqft, built 1980, in R002D78G - East Round Rock Williamson Co Abstracts Lt 20 Acs Appraised at $815,770 for 2026.

Williamson County account 111225

Appraised value
$815,770
Tax year 2026
Market value
$945,188
Living area
2,489 sqft
$328 per sqft
Year built
1980

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 +10.0% from $741,609 in 2025 to $815,770 in 2026.