Allen Dr, Longmont, CO Property Records

Boulder County property records for 27 addresses on Allen Dr, Longmont, CO · Last verified August 2026

Allen Dr Highlights

Properties 27
Median Sale Price $580,000
Deeds and Mortgages on File 56
Median Price per Sqft $169
Owner Occupied 96%
Median Annual Tax Bill $5,441
Median Year Built 1998
Median Ownership Tenure 18 years

Properties on Allen Dr

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

300 Allen Dr

4 bd · 2.75 ba · 2,127 sqft · 0.265 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$242,528Jun 2000 $4,5142025 —Jun 2000 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

500 Allen Dr

5 bd · 3.5 ba · 3,304 sqft · 0.243 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$559,000Dec 2020 $4,8132025 Sale Amount Oct 2015 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

506 Allen Dr

4 bd · 3.5 ba · 2,770 sqft · 0.176 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$269,583Dec 1999 $5,0702025 —Dec 1999 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

512 Allen Dr

4 bd · 4 ba · 3,188 sqft · 0.176 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$355,000Oct 2004 $4,9832025 Sale Amount Feb 2000 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

602 Allen Dr

4 bd · 3.5 ba · 2,494 sqft · 0.179 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$271,839Nov 1999 $4,9652025 —Mar 2021 1 Name on Record Assessor + 3 DocumentsUpdated Jun 2026

608 Allen Dr

4 bd · 3.5 ba · 2,756 sqft · 0.183 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$576,000Sep 2020 $5,1832025 Sale Amount Feb 2005 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

614 Allen Dr

3 bd · 2.75 ba · 2,127 sqft · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$277,350Sep 1998 $4,1362025 —Sep 1998 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

615 Allen Dr

4 bd · 4.25 ba · 3,424 sqft · 0.258 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$845,000Mar 2025 $5,7022025 Sale Amount Mar 2013 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jun 2026

621 Allen Dr

4 bd · 3.5 ba · 3,584 sqft · 0.254 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$580,000Dec 2018 $5,8852025 Sale Amount Mar 1999 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

626 Allen Dr

4 bd · 2.5 ba · 2,704 sqft · 0.215 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$362,000Sep 2007 $5,2272025 Sale Amount Aug 1998 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

627 Allen Dr

4 bd · 3.5 ba · 3,507 sqft · 0.257 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$299,000Jun 1999 $4,9052025 Sale Amount May 1998 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

632 Allen Dr

4 bd · 2.5 ba · 2,184 sqft · 0.195 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$255,000Nov 2008 $4,8182025 Sale Amount Oct 1998 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

633 Allen Dr

4 bd · 3 ba · 3,628 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$410,000Jan 2006 $5,5692025 Sale Amount Aug 1998 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

700 Allen Dr

4 bd · 2.5 ba · 3,122 sqft · 0.196 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$320,000Aug 2007 $5,3172025 Sale Amount Aug 1999 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

701 Allen Dr

6 bd · 4.25 ba · 3,592 sqft · 0.249 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$379,800Aug 2002 $5,7982025 Sale Amount Mar 2002 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

706 Allen Dr

5 bd · 3.25 ba · 3,939 sqft · 0.225 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$312,000Sep 2009 $5,4412025 Sale Amount Aug 1999 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

707 Allen Dr

5 bd · 4.25 ba · 3,728 sqft · 0.237 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$580,000Mar 2019 $5,7042025 Sale Amount Oct 2010 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

712 Allen Dr

3 bd · 2.5 ba · 2,414 sqft · 0.247 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$340,000Nov 2006 $5,2762025 Sale Amount Aug 2003 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

713 Allen Dr

3 bd · 2.5 ba · 3,712 sqft · 0.234 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$388,000Apr 2014 $5,5742025 Sale Amount Feb 1999 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

718 Allen Dr

4 bd · 2.5 ba · 2,704 sqft · 0.3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$268,830Dec 1998 $5,5282025 —Dec 1998 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

801 Allen Dr

5 bd · 4.5 ba · 3,728 sqft · 0.24 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$324,000Apr 2012 $5,7712025 —Jul 2011 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

803 Allen Dr

4 bd · 4.25 ba · 3,605 sqft · 0.223 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$537,500Feb 2017 $5,7592025 Sale Amount Nov 1998 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jun 2026

809 Allen Dr

5 bd · 3.5 ba · 3,362 sqft · 0.219 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$259,097Feb 1999 $4,7332025 —Feb 1999 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

815 Allen Dr

4 bd · 3.5 ba · 2,770 sqft · 0.214 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$750,000Jun 2026 $5,4712025 Sale Amount Oct 2002 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

821 Allen Dr

4 bd · 4.25 ba · 3,739 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$395,400Aug 2014 $5,6342025 Sale Amount Mar 2000 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

827 Allen Dr

5 bd · 4.25 ba · 3,605 sqft · 0.226 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$585,000Oct 2019 $5,7502025 Sale Amount Nov 2007 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

833 Allen Dr

5 bd · 3.25 ba · 3,728 sqft · 0.231 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$580,000Aug 2019 $5,5162025 Sale Amount Jul 2000 2 Names on Record Owner Occupied Assessor + 7 DocumentsUpdated Jun 2026

Property Records in Nearby Streets