Obsidian Ln, Round Rock, TX Property Records

Williamson County property records for 11 addresses on Obsidian Ln, Round Rock, TX · Last verified April 2026

Obsidian Ln Highlights

Properties 11
Latest Sale $837,900 (Feb 2026)
Deeds and Mortgages on File 13
Average Living Area 3,712 sq ft
Owner Occupied 91%
Median Annual Tax Bill $13,551
Median Year Built 2007
Median Ownership Tenure 11 years

Properties on Obsidian Ln

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

3900 Obsidian Ln

3.5 ba · 4,073 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2010 $13,8032025 1 Name on Record Owner Occupied AssessorUpdated Oct 2025

3901 Obsidian Ln

4 ba · 3,435 sqft · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2008 $12,8572025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

3904 Obsidian Ln

6 ba · 4,160 sqft · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2008 $15,7092025 2 Names on Record Owner Occupied AssessorUpdated Oct 2025

3905 Obsidian Ln

2.5 ba · 3,181 sqft · 0.221 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$782,040Sep 2025 $7,7182024 Amount on Record Jan 2015 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

3908 Obsidian Ln

3 ba · 3,272 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2017 $12,2412025 —Mar 2012 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

3909 Obsidian Ln

3 ba · 3,352 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2007 $12,2072025 —May 2007 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

3912 Obsidian Ln

4 ba · 3,762 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2020 $13,5512025 —Jan 2008 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

3913 Obsidian Ln

3.5 ba · 3,682 sqft · 0.216 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$837,900Feb 2026 $16,2572024 Amount on Record Jan 2018 2 Names on Record Assessor + 3 DocumentsUpdated Apr 2026

3916 Obsidian Ln

4 ba · 3,475 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2009 $12,6592025 2 Names on Record Owner Occupied AssessorUpdated Oct 2025

3917 Obsidian Ln

4 ba · 4,246 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2021 $16,1342025 —May 2009 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

3920 Obsidian Ln

4 ba · 4,198 sqft · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2015 $14,2742025 —Jul 2008 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

Wildfire Risk on Obsidian Ln

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to HomesLow
this street's cells rank at the 27th percentile of exposed land nationally · 8th in Texas
Wildfire LikelihoodLow — about 1 in 4,651 per year
ExposureDirect
2 of 2 cells directly exposed · 2 adjoin burnable vegetation

Property Records in Nearby Streets