20th Ave, Longmont, CO Property Records

Boulder County property records for 35 addresses on 20th Ave, Longmont, CO · Last verified August 2026

20th Ave Highlights

Properties 35
Median Sale Price $529,000
Deeds and Mortgages on File 53
Median Price per Sqft $224
Owner Occupied 71%
Median Annual Tax Bill $3,492
Median Year Built 1988
Median Ownership Tenure 12 years

Properties on 20th Ave

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

650 20th Ave

6,329 sqft · Built 2003 · 0.569 acres

Last Sale Tax Bill Prior Sale Owner Records
$950,000May 2024 $25,0312025 Sale Amount Aug 2019 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

651 20th Ave

3,456 sqft · Built 1998 · 0.228 acres

Last Sale Tax Bill Prior Sale Owner Records
$620,000Mar 2022 $18,0092025 Sale Amount Jun 2018 1 Name on Record Assessor + 5 DocumentsUpdated Aug 2026

659 20th Ave

5,000 sqft · Built 2010 · 0.574 acres

Last Sale Tax Bill Prior Sale Owner Records
$950,000May 2019 $31,7002025 Sale Amount Jun 2014 1 Name on Record Assessor + 3 DocumentsUpdated Jun 2026

1601 20th Ave

3 bd · 1.75 ba · 1,366 sqft · 0.127 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jan 1992 $2,2952025 Sale Amount Aug 1989 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

1602 20th Ave

4 bd · 2 ba · 2,005 sqft · 0.118 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$410,000Oct 2020 $3,0712025 Sale Amount Aug 2004 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1607 20th Ave

3 bd · 2.5 ba · 1,720 sqft · 0.116 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$305,000Jun 2016 $3,5142025 Sale Amount Dec 2005 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1608 20th Ave

4 bd · 2.5 ba · 1,858 sqft · 0.111 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$260,000Jul 2013 $3,3352025 Sale Amount Dec 2008 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

1613 20th Ave

4 bd · 2 ba · 2,104 sqft · 0.121 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$229,000Aug 2005 $3,1512025 Sale Amount Sep 2001 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

1614 20th Ave

3 bd · 2.5 ba · 1,707 sqft · 0.115 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$529,000Jan 2022 $3,4682025 Sale Amount Sep 2016 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1619 20th Ave

3 bd · 2.5 ba · 1,865 sqft · 0.109 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$210,000Jun 2000 $2,8502025 Sale Amount Aug 1989 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1620 20th Ave

4 bd · 2.5 ba · 2,205 sqft · 0.111 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$235,000May 2002 $3,4872025 Sale Amount Apr 2002 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

1623 20th Ave

4 bd · 2.5 ba · 1,986 sqft · 0.122 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$245,000Jul 2001 $3,6752025 Sale Amount Sep 1991 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

1624 20th Ave

3 bd · 3.5 ba · 2,122 sqft · 0.116 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$228,900Mar 2006 $2,6262025 Sale Amount Jan 1989 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

1629 20th Ave

4 bd · 2.5 ba · 1,820 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$280,000Jun 2015 $3,1122025 Sale Amount Feb 2008 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1630 20th Ave

3 bd · 2.5 ba · 1,697 sqft · 0.113 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$377,500May 2018 $3,5372025 Sale Amount Dec 1988 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1635 20th Ave

4 bd · 2.5 ba · 1,466 sqft · 0.12 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$205,000Mar 2000 $2,5752025 Sale Amount Mar 1993 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1636 20th Ave

4 bd · 2.5 ba · 2,323 sqft · 0.118 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$219,900Aug 2000 $3,5732025 —Dec 2002 1 Name on Record AssessorUpdated Jun 2026

1701 20th Ave

4 bd · 2.25 ba · 2,676 sqft · 0.118 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$249,500Sep 2001 $3,0242025 Sale Amount Feb 1995 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1702 20th Ave

4 bd · 2.5 ba · 2,409 sqft · 0.113 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$403,000Jul 2018 $3,8192025 Sale Amount Jul 2013 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

1705 20th Ave

4 bd · 2 ba · 2,045 sqft · 0.116 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$214,900Feb 2001 $3,1902025 Sale Amount Sep 1988 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1706 20th Ave

3 bd · 2.5 ba · 1,839 sqft · 0.118 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$239,000Oct 2002 $3,5952025 Sale Amount Feb 1994 2 Names on Record AssessorUpdated Jun 2026

1709 20th Ave

4 bd · 3.25 ba · 2,314 sqft · 0.116 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$264,000Nov 2014 $3,7692025 Sale Amount May 1999 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1710 20th Ave

4 bd · 2.5 ba · 1,850 sqft · 0.112 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$237,500Nov 2011 $3,4602025 —Jul 2004 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1713 20th Ave

3 bd · 2.5 ba · 2,236 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$228,000Apr 2010 $3,7412025 —Jun 2008 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1714 20th Ave

3 bd · 2.5 ba · 2,017 sqft · 0.117 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$152,900Aug 1996 $3,6442025 Sale Amount Feb 1993 2 Names on Record AssessorUpdated Jun 2026

1719 20th Ave

3 bd · 2.5 ba · 1,674 sqft · 0.122 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$232,000Dec 2007 $2,6262025 Sale Amount Oct 2002 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1720 20th Ave

3 bd · 2.5 ba · 1,865 sqft · 0.112 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$265,000Sep 2016 $3,4582025 Sale Amount Aug 1998 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

1725 20th Ave

4 bd · 2.5 ba · 1,988 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$475,000Oct 2022 $3,6342025 Sale Amount Jul 2014 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1726 20th Ave

4 bd · 3 ba · 2,299 sqft · 0.116 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$259,000Mar 2013 $3,5842025 Sale Amount Mar 2002 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1801 20th Ave

3 bd · 2.5 ba · 1,647 sqft · 0.117 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,000Mar 2025 $3,4922025 Sale Amount Dec 2007 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

1802 20th Ave

4 bd · 1.75 ba · 2,006 sqft · 0.109 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$505,000Jul 2021 $3,2352025 Sale Amount Dec 2015 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

1807 20th Ave

5 bd · 3.25 ba · 2,867 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$418,000Jul 2019 $3,9092025 Sale Amount Jul 1995 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

1808 20th Ave

4 bd · 2.5 ba · 1,782 sqft · 0.125 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$40,000Jul 2018 $3,3912025 Sale Amount Aug 2017 2 Names on Record Assessor + 3 DocumentsUpdated Jun 2026

1813 20th Ave

3 bd · 2.5 ba · 1,668 sqft · 0.117 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$530,000Jan 2022 $3,7252025 Sale Amount Aug 2017 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

1819 20th Ave

4 bd · 2.25 ba · 2,490 sqft · 0.146 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$560,000Feb 2022 $4,0152025 Sale Amount Mar 2002 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

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