Monarch Ave, Longmont, CO Property Records

Boulder County property records for 26 addresses on Monarch Ave, Longmont, CO · Last verified August 2026

Monarch Ave Highlights

Properties 26
Median Sale Price $416,000
Deeds and Mortgages on File 48
Median Price per Sqft $305
Owner Occupied 85%
Median Annual Tax Bill $3,357
Median Year Built 1997
Median Ownership Tenure 14 years

Properties on Monarch Ave

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

1248 Monarch Ave

4 bd · 2.5 ba · 2,183 sqft · built 1996 · 0.096 acres

Last Sale Tax Bill Prior Sale Owner Records
$261,000Aug 2005 $3,7302025 Amount on Record Nov 2002 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

1252 Monarch Ave

3 bd · 2 ba · 2,343 sqft · built 1996 · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$231,910Apr 2002 $2,6882025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1256 Monarch Ave

3 bd · 2.5 ba · 1,248 sqft · built 1996 · 0.098 acres

Last Sale Tax Bill Prior Sale Owner Records
$395,000Jun 2020 $3,0862025 Amount on Record May 2009 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1260 Monarch Ave

3 bd · 2 ba · 1,535 sqft · built 2002 · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$475,000Oct 2021 $3,5232025 Amount on Record Oct 2006 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1263 Monarch Ave

3 bd · 2.5 ba · 1,242 sqft · built 1997 · 0.104 acres

Last Sale Tax Bill Prior Sale Owner Records
$462,000Apr 2021 $3,2082025 Amount on Record Mar 2016 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1264 Monarch Ave

3 bd · 2.25 ba · 1,836 sqft · built 1997 · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$416,000Mar 2020 $3,5252025 Amount on Record Mar 2019 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

1267 Monarch Ave

3 bd · 2 ba · 1,871 sqft · built 1997 · 0.121 acres

Last Sale Tax Bill Prior Sale Owner Records
$133,000Sep 1997 $3,2632025 —Sep 1997 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1268 Monarch Ave

3 bd · 2.25 ba · 1,717 sqft · built 1997 · 0.096 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2003 $3,1162025 Amount on Record May 2001 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

1272 Monarch Ave

3 bd · 2 ba · 1,459 sqft · built 1997 · 0.095 acres

Last Sale Tax Bill Prior Sale Owner Records
$237,500Jul 2014 $3,3572025 Amount on Record Apr 1998 2 Names on Record AssessorUpdated Jun 2026

1275 Monarch Ave

3 bd · 1.75 ba · 1,633 sqft · built 1996 · 0.121 acres

Last Sale Tax Bill Prior Sale Owner Records
$208,000Jan 2007 $3,1652025 Amount on Record Aug 2002 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1276 Monarch Ave

3 bd · 3 ba · 1,808 sqft · built 1997 · 0.097 acres

Last Sale Tax Bill Prior Sale Owner Records
$215,000May 2010 $3,2432025 —Feb 2010 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

1279 Monarch Ave

3 bd · 2 ba · 1,461 sqft · built 1996 · 0.101 acres

Last Sale Tax Bill Prior Sale Owner Records
$146,350May 1997 $2,6432025 —May 1997 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

1280 Monarch Ave

3 bd · 2.25 ba · 1,836 sqft · built 1997 · 0.097 acres

Last Sale Tax Bill Prior Sale Owner Records
$560,000Mar 2025 $3,5392025 Amount on Record May 2000 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1284 Monarch Ave

3 bd · 2.5 ba · 1,231 sqft · built 1997 · 0.099 acres

Last Sale Tax Bill Prior Sale Owner Records
$194,000May 2012 $3,1712025 Amount on Record Dec 2004 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

1285 Monarch Ave

4 bd · 2.5 ba · 2,183 sqft · built 1996 · 0.104 acres

Last Sale Tax Bill Prior Sale Owner Records
$257,000Sep 2016 $3,7642025 Amount on Record Apr 2010 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

1288 Monarch Ave

3 bd · 2.75 ba · 2,420 sqft · built 1997 · 0.099 acres

Last Sale Tax Bill Prior Sale Owner Records
$355,000Oct 2017 $3,5462025 Amount on Record Aug 2014 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1289 Monarch Ave

2 bd · 2 ba · 1,148 sqft · built 1996 · 0.105 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000Jun 2018 $3,2182025 —Aug 2016 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

1292 Monarch Ave

4 bd · 2.5 ba · 2,203 sqft · built 1997 · 0.109 acres

Last Sale Tax Bill Prior Sale Owner Records
$220,000Jul 2000 $3,7562025 Amount on Record May 1997 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1293 Monarch Ave

3 bd · 2.5 ba · 1,242 sqft · built 1997 · 0.111 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000May 2018 $3,0972025 Amount on Record Mar 2006 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1300 Monarch Ave

4 bd · 2.5 ba · 2,203 sqft · built 1997 · 0.109 acres

Last Sale Tax Bill Prior Sale Owner Records
$172,901Oct 1997 $3,7552025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1301 Monarch Ave

4 bd · 2.75 ba · 2,203 sqft · built 1997 · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$235,900Feb 2012 $3,6682025 Amount on Record Apr 1998 2 Names on Record Assessor + 1 DocumentUpdated Jun 2026

1305 Monarch Ave

3 bd · 2 ba · 1,242 sqft · built 1997 · 0.102 acres

Last Sale Tax Bill Prior Sale Owner Records
$136,500Mar 1998 $3,0412025 —May 2025 1 Name on Record AssessorUpdated Jun 2026

1309 Monarch Ave

4 bd · 2.5 ba · 3,164 sqft · built 1997 · 0.101 acres

Last Sale Tax Bill Prior Sale Owner Records
$274,900Jun 2014 $3,3742025 Amount on Record Aug 2011 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

1313 Monarch Ave

3 bd · 1.75 ba · 1,418 sqft · built 1997 · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$210,000Jun 2001 $3,0882025 Amount on Record Sep 1997 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

1317 Monarch Ave

4 bd · 2.5 ba · 2,203 sqft · built 1997 · 0.101 acres

Last Sale Tax Bill Prior Sale Owner Records
$245,000Mar 2005 $3,7952025 Amount on Record Aug 1997 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

1321 Monarch Ave

4 bd · 2.75 ba · 1,459 sqft · built 1997 · 0.099 acres

Last Sale Tax Bill Prior Sale Owner Records
$187,200Apr 2000 $3,4172025 Amount on Record Jan 1998 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

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