Williamson Value property tax analysis

17917 Niagara Falls Ter, Round Rock, TX 78681

2 bathrooms, 1,844 sqft, built 1996, in R292598D - Stone Canyon - Weekley & Newmark Appraised at $426,261 for 2026.

Williamson County account 183768

Appraised value
$426,261
Tax year 2026
Market value
$426,261
Living area
1,844 sqft
$231 per sqft
Year built
1996

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 -6.6% from $456,500 in 2025 to $426,261 in 2026.