Williamson Value property tax analysis

3913 Obsidian Ln, Round Rock, TX 78681

3 bathrooms, 3,682 sqft, built 2010, in R147606C - Walsh Ranch Appraised at $972,985 for 2026.

Williamson County account 281823

Appraised value
$972,985
Tax year 2026
Market value
$972,985
Living area
3,682 sqft
$264 per sqft
Year built
2010

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 -6.3% from $1,037,902 in 2025 to $972,985 in 2026.

Recent sale history

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

  • $965,000 sale recorded on February-27-2026