Los Alamos Pass, Round Rock, TX Property Records

Williamson County property records for 52 addresses on Los Alamos Pass, Round Rock, TX · Last verified October 2026

Los Alamos Pass Highlights

Properties 52
Median Sale Price $401,400
Deeds and Mortgages on File 77
Median Price per Sqft $130
Owner Occupied 98%
Median Annual Tax Bill $9,928
Median Year Built 2012
Median Ownership Tenure 10 years

Properties on Los Alamos Pass

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

2501 Los Alamos Pass

3.5 ba · 2,815 sqft · built 2013 · 0.219 acres

Last Sale Tax Bill Prior Sale Owner Records
$366,300Jul 2020 $9,0422025 Amount on Record Aug 2015 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

2505 Los Alamos Pass

3.5 ba · 3,058 sqft · built 2013 · 0.191 acres

Last Sale Tax Bill Prior Sale Owner Records
$377,000Sep 2016 $8,1292025 Amount on Record Oct 2013 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

2509 Los Alamos Pass

2.5 ba · 3,111 sqft · built 2011 · 0.194 acres

Last Sale Tax Bill Prior Sale Owner Records
$468,160Mar 2022 $9,2322025 Amount on Record Feb 2012 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

2513 Los Alamos Pass

2 ba · 2,484 sqft · built 2012 · 0.192 acres

Last Sale Tax Bill Prior Sale Owner Records
$330,000May 2017 $8,6242025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2517 Los Alamos Pass

2 ba · 2,875 sqft · built 2010 · 0.192 acres

Last Sale Tax Bill Prior Sale Owner Records
$232,000Dec 2010 $9,0632025 —Feb 2010 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

2521 Los Alamos Pass

3.5 ba · 3,227 sqft · built 2008 · 0.193 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2009 $12,4852025 Owner on Record AssessorUpdated Sep 2026

2525 Los Alamos Pass

2.5 ba · 3,769 sqft · built 2009 · 0.197 acres

Last Sale Tax Bill Prior Sale Owner Records
$336,100Jul 2009 $11,5082025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2529 Los Alamos Pass

3.5 ba · 3,535 sqft · built 2009 · 0.193 acres

Last Sale Tax Bill Prior Sale Owner Records
$349,900Aug 2015 $11,1922025 Amount on Record — 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2533 Los Alamos Pass

3.5 ba · 4,074 sqft · built 2007 · 0.199 acres

Last Sale Tax Bill Prior Sale Owner Records
$590,600Mar 2021 $12,5602025 Amount on Record Jun 2016 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

2537 Los Alamos Pass

3 ba · 3,161 sqft · built 2012 · 0.193 acres

Last Sale Tax Bill Prior Sale Owner Records
$570,230Oct 2025 $4,5532025 —Dec 2017 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

2541 Los Alamos Pass

3 ba · 4,103 sqft · built 2013 · 0.194 acres

Last Sale Tax Bill Prior Sale Owner Records
$352,500Aug 2013 $12,3302025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

2545 Los Alamos Pass

3 ba · 3,154 sqft · built 2014 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$266,000Feb 2023 $6,7842025 Amount on Record Jul 2020 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

2549 Los Alamos Pass

3.5 ba · 3,385 sqft · built 2013 · 0.212 acres

Last Sale Tax Bill Prior Sale Owner Records
$291,300Oct 2013 $10,1352024 2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

2553 Los Alamos Pass

3 ba · 2,818 sqft · built 2011 · 0.194 acres

Last Sale Tax Bill Prior Sale Owner Records
$425,000Sep 2020 $8,1232025 Amount on Record Oct 2019 Owner on Record Owner Occupied Assessor + 8 DocumentsUpdated Sep 2026

2557 Los Alamos Pass

3.5 ba · 3,274 sqft · built 2012 · 0.24 acres

Last Sale Tax Bill Prior Sale Owner Records
$335,600Jan 2017 $10,0572025 Amount on Record Apr 2013 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

2558 Los Alamos Pass

3 ba · 3,223 sqft · built 2011 · 0.503 acres

Last Sale Tax Bill Prior Sale Owner Records
$361,200Oct 2015 $10,7322025 Amount on Record Dec 2011 Owner on Record Owner Occupied AssessorUpdated Sep 2026

2562 Los Alamos Pass

3.5 ba · 4,153 sqft · built 2009 · 0.327 acres

Last Sale Tax Bill Prior Sale Owner Records
$320,000Nov 2009 $12,7702025 —Sep 2007 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2566 Los Alamos Pass

2.5 ba · 2,537 sqft · built 2012 · 0.238 acres

Last Sale Tax Bill Prior Sale Owner Records
$432,250Mar 2025 $8,9722025 —Apr 2021 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

2570 Los Alamos Pass

2 ba · 2,590 sqft · built 2011 · 0.232 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2012 $7,3862025 Owner on Record Owner Occupied AssessorUpdated Sep 2026

2574 Los Alamos Pass

2.5 ba · 3,216 sqft · built 2012 · 0.226 acres

Last Sale Tax Bill Prior Sale Owner Records
$348,900Jul 2012 $10,7522025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2578 Los Alamos Pass

3 ba · 3,701 sqft · built 2013 · 0.231 acres

Last Sale Tax Bill Prior Sale Owner Records
$413,700Jan 2014 $11,6442025 Owner on Record Owner Occupied AssessorUpdated Sep 2026

2582 Los Alamos Pass

2.5 ba · 2,920 sqft · built 2012 · 0.312 acres

Last Sale Tax Bill Prior Sale Owner Records
$290,000Jun 2012 $2,6312025 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

2586 Los Alamos Pass

2.5 ba · 3,334 sqft · built 2011 · 0.276 acres

Last Sale Tax Bill Prior Sale Owner Records
$340,000May 2012 $10,5792025 —Oct 2011 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2589 Los Alamos Pass

2.5 ba · 3,229 sqft · built 2012 · 0.24 acres

Last Sale Tax Bill Prior Sale Owner Records
$798,000Aug 2024 $11,3882025 Amount on Record May 2013 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

2590 Los Alamos Pass

2 ba · 2,528 sqft · built 2012 · 0.203 acres

Last Sale Tax Bill Prior Sale Owner Records
$275,000Jul 2014 $5,0622025 Amount on Record Feb 2013 Owner on Record Owner Occupied AssessorUpdated Sep 2026

2593 Los Alamos Pass

4 ba · 4,097 sqft · built 2007 · 0.213 acres

Last Sale Tax Bill Prior Sale Owner Records
$620,000Mar 2021 $13,2292025 Amount on Record Nov 2010 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

2594 Los Alamos Pass

2 ba · 2,936 sqft · built 2012 · 0.203 acres

Last Sale Tax Bill Prior Sale Owner Records
$218,800Jul 2012 $6,1152025 —Mar 2012 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2597 Los Alamos Pass

4 ba · 3,485 sqft · built 2007 · 0.237 acres

Last Sale Tax Bill Prior Sale Owner Records
$458,300Jun 2018 $11,0272025 Amount on Record Apr 2014 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

2598 Los Alamos Pass

2 ba · 3,163 sqft · built 2012 · 0.212 acres

Last Sale Tax Bill Prior Sale Owner Records
$475,000Aug 2021 $12,1842025 Amount on Record Jul 2012 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2600 Los Alamos Pass

2.5 ba · 2,966 sqft · built 2012 · 0.202 acres

Last Sale Tax Bill Prior Sale Owner Records
$313,500Jun 2012 $9,6222025 —May 2012 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

2601 Los Alamos Pass

3,512 sqft · built 2012 · 0.237 acres

Last Sale Tax Bill Prior Sale Owner Records
$403,000Sep 2016 $11,3632025 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

2604 Los Alamos Pass

2.5 ba · 2,868 sqft · built 2012 · 0.194 acres

Last Sale Tax Bill Prior Sale Owner Records
$429,300Aug 2020 $10,6582025 Amount on Record Dec 2017 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

2605 Los Alamos Pass

3.5 ba · 2,949 sqft · built 2011 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
$287,500Jan 2012 $9,1012025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2608 Los Alamos Pass

3 ba · 2,762 sqft · built 2012 · 0.193 acres

Last Sale Tax Bill Prior Sale Owner Records
$401,400Aug 2017 $6,5382025 Amount on Record Aug 2014 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

2609 Los Alamos Pass

3 ba · 3,014 sqft · built 2015 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2021 $11,3992025 Amount on Record Mar 2021 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

2612 Los Alamos Pass

2 ba · 2,613 sqft · built 2012 · 0.193 acres

Last Sale Tax Bill Prior Sale Owner Records
$669,500Jun 2021 $9,9192025 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

2613 Los Alamos Pass

3 ba · 3,199 sqft · built 2013 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
$315,400Nov 2014 $8,4652025 Amount on Record Jun 2013 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2616 Los Alamos Pass

2.5 ba · 3,214 sqft · built 2012 · 0.19 acres

Last Sale Tax Bill Prior Sale Owner Records
$332,500Sep 2014 $9,5582025 Amount on Record May 2013 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2617 Los Alamos Pass

3 ba · 3,524 sqft · built 2007 · 0.194 acres

Last Sale Tax Bill Prior Sale Owner Records
$313,500Dec 2008 $10,5662023 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

2620 Los Alamos Pass

3 ba · 2,846 sqft · built 2012 · 0.191 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2019 $5,6602025 Amount on Record Mar 2013 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2621 Los Alamos Pass

3 ba · 2,671 sqft · built 2012 · 0.191 acres

Last Sale Tax Bill Prior Sale Owner Records
$187,500Jan 2013 $8,8642025 —Jul 2021 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

2624 Los Alamos Pass

3.5 ba · 3,327 sqft · built 2012 · 0.191 acres

Last Sale Tax Bill Prior Sale Owner Records
$355,000Aug 2016 $10,8932025 Amount on Record Apr 2013 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

2625 Los Alamos Pass

4 ba · 3,113 sqft · built 2011

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2017 —May 2012 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

2628 Los Alamos Pass

2 ba · 3,249 sqft · built 2012 · 0.205 acres

Last Sale Tax Bill Prior Sale Owner Records
$328,800Nov 2012 $12,4202025 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

2629 Los Alamos Pass

3 ba · 3,311 sqft · built 2013 · 0.191 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2016 $10,6462025 Amount on Record May 2013 Owner on Record Owner Occupied AssessorUpdated Sep 2026

2632 Los Alamos Pass

2 ba · 2,855 sqft · built 2012 · 0.201 acres

Last Sale Tax Bill Prior Sale Owner Records
$359,100Oct 2025 $10,4222025 Amount on Record Jun 2015 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2633 Los Alamos Pass

3 ba · 3,408 sqft · built 2013 · 0.193 acres

Last Sale Tax Bill Prior Sale Owner Records
$383,800Sep 2019 $11,1702025 Amount on Record Jun 2013 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2636 Los Alamos Pass

2.5 ba · 2,815 sqft · built 2013 · 0.206 acres

Last Sale Tax Bill Prior Sale Owner Records
$359,800Jun 2017 $9,0492025 Amount on Record Jan 2014 2 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Sep 2026

2637 Los Alamos Pass

3 ba · 3,266 sqft · built 2013 · 0.198 acres

Last Sale Tax Bill Prior Sale Owner Records
$480,000Jun 2019 $10,8802025 Amount on Record Jul 2013 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2640 Los Alamos Pass

3.5 ba · 3,189 sqft · built 2013 · 0.215 acres

Last Sale Tax Bill Prior Sale Owner Records
$321,100Aug 2013 $11,8872025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2641 Los Alamos Pass

2.5 ba · 3,011 sqft · built 2013 · 0.205 acres

Last Sale Tax Bill Prior Sale Owner Records
$370,200Sep 2026 $5,2362025 —Nov 2013 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Sep 2026

2645 Los Alamos Pass

3 ba · 3,359 sqft · built 2011 · 0.251 acres

Last Sale Tax Bill Prior Sale Owner Records
$392,900Dec 2016 $8,8232025 Amount on Record Sep 2013 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

Property Records in Nearby Streets