Concord Ave, Boulder, CO Property Records

Boulder County property records for 45 addresses on Concord Ave, Boulder, CO · Last verified August 2026

Concord Ave Highlights

Properties 45
Median Sale Price $2,250,000
Deeds and Mortgages on File 59
Median Price per Sqft $863
Owner Occupied 62%
Median Annual Tax Bill $11,533
Median Year Built 1905
Median Ownership Tenure 19 years

Properties on Concord Ave

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

401 Concord Ave

2 bd · 2 ba · 1,768 sqft · 0.193 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$550,000May 2009 $9,4192025 —Feb 1993 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

404 Concord Ave

3 bd · 1.75 ba · 1,568 sqft · 0.056 acres

Last Sale Tax Bill Prior Sale Owner Records
$514,000Jun 2007 $8,2562025 Sale Amount Jul 2003 2 Names on Record AssessorUpdated Jun 2026

411 Concord Ave

4 bd · 4 ba · 3,830 sqft · 0.13 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$950,000Aug 2009 $16,3072025 Sale Amount Jun 2006 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

423 Concord Ave

4 bd · 2 ba · 2,602 sqft · 0.156 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Oct 1992 $11,2612025 —Jun 1999 1 Name on Record AssessorUpdated Jun 2026

424 Concord Ave

3 bd · 1.75 ba · 2,605 sqft · 0.145 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,250,000Oct 2025 $13,8302025 Sale Amount Oct 2020 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

428 Concord Ave

2 bd · 3.5 ba · 2,985 sqft · 0.129 acres

Last Sale Tax Bill Prior Sale Owner Records
$113,000Jan 1991 $11,5582025 Sale Amount Jun 1981 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

429 Concord Ave

4 bd · 3.25 ba · 2,640 sqft · 0.132 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,225,000Jul 2017 $11,6872025 Sale Amount Jul 2015 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

432 Concord Ave

3 bd · 2 ba · 1,890 sqft · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,160,000Jun 2019 $10,0982025 Sale Amount Oct 2010 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

435 Concord Ave

4 bd · 2.5 ba · 1,620 sqft · 0.126 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,235,000Apr 2019 $11,9112025 Sale Amount Jun 2006 2 Names on Record Assessor + 2 DocumentsUpdated Jun 2026

436 Concord Ave

4 bd · 2 ba · 1,772 sqft · 0.133 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,010,000Nov 2016 $11,1572025 Sale Amount Apr 2016 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

444 Concord Ave

2 bd · 1 ba · 1,350 sqft · 0.129 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$81,500Jan 1983 $7,3062025 —Sep 1972 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

505 Concord Ave

3 bd · 3.25 ba · 3,307 sqft · 0.153 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,950,000May 2017 $16,6242025 Sale Amount Oct 2001 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

512 Concord Ave

2 bd · 1 ba · 2,354 sqft · 0.125 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$465,000Mar 2009 $10,1262025 Sale Amount May 1992 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

515 Concord Ave

3 bd · 2.75 ba · 2,520 sqft · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$925,000Mar 2006 $13,5852025 Sale Amount Jul 1976 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

519 Concord Ave

3 bd · 1.5 ba · 1,708 sqft · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$884,000Jul 2010 $11,5332025 Sale Amount Sep 1989 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

520 Concord Ave

3 bd · 1.5 ba · 1,628 sqft · 0.118 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$177,000Nov 1986 $10,1792025 Sale Amount Sep 1975 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

526 Concord Ave

3 bd · 2.75 ba · 2,887 sqft · 0.162 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$492,500Mar 1997 $17,6692025 Sale Amount Sep 1994 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

529 Concord Ave

3 bd · 3 ba · 2,348 sqft · 0.161 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$285,000Jun 1995 $11,7222025 Sale Amount Mar 1959 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

530 Concord Ave

3 bd · 3.75 ba · 2,319 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,180,000Mar 2007 $18,3162025 Sale Amount Mar 2006 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

537 Concord Ave

3 bd · 2.75 ba · 2,132 sqft · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$655,000Mar 2001 $14,2812025 —Oct 1992 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

545 Concord Ave

2 bd · 1.75 ba · 1,740 sqft · 0.162 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Oct 1991 $10,4002025 —Mar 1987 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

553 Concord Ave

3 bd · 1.5 ba · 1,686 sqft · 0.171 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jan 1979 $9,8882025 Sale Amount Apr 1973 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

605 Concord Ave

2 bd · 1 ba · 696 sqft · 0.238 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$379,500Jan 2002 $7,0832025 —May 1989 1 Name on Record AssessorUpdated Jun 2026

611 Concord Ave

3 bd · 2.25 ba · 2,100 sqft · 0.192 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$535,000May 2000 $10,9392025 —Jul 1993 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

620 Concord Ave

3 bd · 3 ba · 2,765 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$495,000Jan 2000 $14,5012025 Sale Amount Jan 1998 1 Name on Record AssessorUpdated Jun 2026

623 Concord Ave

5 bd · 3.25 ba · 2,967 sqft · 0.192 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,133,400Dec 2017 $13,6292025 Sale Amount Sep 2002 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

624 Concord Ave

2 bd · 2 ba · 1,672 sqft · 0.159 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$349,500Apr 1998 $8,1782025 Sale Amount Aug 1985 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

625 Concord Ave

4 bd · 2.75 ba · 2,986 sqft · 0.19 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,700,000Feb 2026 $15,6342025 Sale Amount Jun 1983 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

626 Concord Ave

3 bd · 2 ba · 1,798 sqft · 0.161 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$469,650Nov 2004 $8,7862025 —Aug 1975 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

635 Concord Ave

2 bd · 2 ba · 1,979 sqft · 0.196 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$120,000Dec 1983 $10,0652025 —Jun 1974 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

642 Concord Ave

5 bd · 3.5 ba · 3,067 sqft · 0.157 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$417,960Dec 2002 $15,1962025 —Oct 1983 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

645 Concord Ave

4 bd · 3 ba · 2,619 sqft · 0.192 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,350,000Jun 2009 $16,5432025 Sale Amount Dec 2000 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

652 Concord Ave

3 bd · 3.25 ba · 2,701 sqft · 0.214 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,939,250Jul 2020 $15,7232025 Sale Amount Nov 2006 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

653 Concord Ave

2 bd · 1 ba · 1,064 sqft · 0.194 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$30,000Apr 1975 $8,4012025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

661 Concord Ave, Unit A

4 bd · 2.5 ba · 1,061 sqft · 0.15 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,050,000Feb 2020 $10,1432025 Sale Amount Sep 2007 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

663 Concord Ave

3 bd · 2 ba · 2,027 sqft · 0.156 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—May 1984 $9,5882025 Sale Amount Jul 1971 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

704 Concord Ave

5 bd · 3.5 ba · 3,083 sqft · 0.157 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,275,000Jun 2019 $14,8302025 Sale Amount May 2013 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

710 Concord Ave

6 bd · 4 ba · 2,576 sqft · 0.158 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,522,500Oct 2015 $14,7682025 Sale Amount Jun 2014 2 Names on Record Assessor + 5 DocumentsUpdated Aug 2026

711 Concord Ave

2 bd · 1.75 ba · 1,110 sqft · 0.131 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,050,000May 2019 $8,3432025 Sale Amount Jun 2015 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

720 Concord Ave

4 bd · 2 ba · 1,689 sqft · 0.157 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$115,500Aug 1989 $9,8382025 —Jan 1988 2 Names on Record Assessor + 2 DocumentsUpdated Jun 2026

721 Concord Ave, Unit A

6 bd · 4.75 ba · 3,074 sqft · 0.199 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,600,000Jun 2025 $15,8182023 Sale Amount Jun 2001 2 Names on Record Assessor + 1 DocumentUpdated Jun 2026

730 Concord Ave

10 bd · 5 ba · 4,000 sqft · 0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,070,000Apr 2007 $14,0142025 Sale Amount May 2003 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

735 Concord Ave

6 bd · 3.75 ba · 2,704 sqft · 0.193 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—May 1993 $12,0922025 Sale Amount Jun 1991 1 Name on Record AssessorUpdated Jun 2026

820 Concord Ave

4 bd · 4 ba · 2,164 sqft · 0.092 acres

Last Sale Tax Bill Prior Sale Owner Records
$89,300Feb 1992 $6,5792025 Sale Amount Dec 1982 1 Name on Record AssessorUpdated Jun 2026

824 Concord Ave

4 bd · 2 ba · 1,864 sqft · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$650,000Jun 2013 $8,0302025 —Jun 2013 1 Name on Record AssessorUpdated Jun 2026

Property Records in Nearby Streets