Williamson Value property tax analysis

1294 Johnson Ln, Round Rock, TX 78665

3,106 sqft, built 1982, in R002D78G - East Round Rock Williamson Co Abstracts Lt 20 Acs Appraised at $1,042,561 for 2026.

Williamson County account 111223

Appraised value
$1,042,561
Tax year 2026
Market value
$1,090,019
Living area
3,106 sqft
$336 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 +10.0% from $947,783 in 2025 to $1,042,561 in 2026.