Williamson Value property tax analysis

10 Timberline Dr, Round Rock, TX 78665

2 bathrooms, 1,780 sqft, built 1976, in R427578G - Hidden Acres & Sec 2 Appraised at $378,547 for 2026.

Williamson County account 120361

Appraised value
$378,547
Tax year 2026
Market value
$378,547
Living area
1,780 sqft
$213 per sqft
Year built
1976

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 -7.1% from $407,675 in 2025 to $378,547 in 2026.