Williamson Value property tax analysis

5804 Arbia Ln, Round Rock, TX 78665

2 bathrooms, 2,003 sqft, built 2016, in H121413C - Siena Appraised at $380,148 for 2026.

Williamson County account 365120

Appraised value
$380,148
Tax year 2026
Market value
$380,148
Living area
2,003 sqft
$190 per sqft
Year built
2016

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 -5.4% from $401,830 in 2025 to $380,148 in 2026.

Recent sale history

Recent transfers help establish whether the county value is tracking real market behavior.

  • $385,000 sale recorded on March-16-2026