Northbrook Dr, Boulder, CO Property Records

Boulder County property records for 30 addresses on Northbrook Dr, Boulder, CO · Last verified August 2026

Northbrook Dr Highlights

Properties 56
Median Sale Price $555,000
Deeds and Mortgages on File 71
Median Price per Sqft $498
Owner Occupied 63%
Median Annual Tax Bill $3,506
Median Year Built 1984
Median Ownership Tenure 12 years

Properties on Northbrook Dr

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

3800 Northbrook Dr

3 bd · 1 ba · 1,294 sqft · 0.041 acres

Last Sale Tax Bill Prior Sale Owner Records
$246,613Jan 2017 $3,6982025 Sale Amount Dec 2004 1 Name on Record Owner Occupied Assessor + 7 DocumentsUpdated Jun 2026

3802 Northbrook Dr

2 bd · 1 ba · 976 sqft · 0.045 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Dec 1981 $2,8642025 —Apr 1981 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

3804 Northbrook Dr

2 bd · 1 ba · 1,192 sqft · 0.034 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,900Dec 2000 $2,8992025 Sale Amount Aug 1994 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

3805 Northbrook Dr

7 units · Built 1984 · 936 sq ft

Last Sale Median Tax Bill Median Sale    
$350,000Dec 2025 $3,2422025 $246,9007 units    

3806 Northbrook Dr

3 bd · 1 ba · 1,294 sqft · 0.043 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 1987 $3,7802025 —Apr 1983 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

3808 Northbrook Dr

2 bd · 1 ba · 976 sqft · 0.043 acres

Last Sale Tax Bill Prior Sale Owner Records
$395,000Nov 2016 $3,7092025 Sale Amount Sep 2014 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

3810 Northbrook Dr

2 bd · 1.75 ba · 1,216 sqft · 0.035 acres

Last Sale Tax Bill Prior Sale Owner Records
$675,000Jul 2022 $3,8442025 Sale Amount Aug 2017 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

3812 Northbrook Dr

1 bd · 1 ba · 976 sqft · 0.045 acres

Last Sale Tax Bill Prior Sale Owner Records
$504,000Mar 2021 $3,2282025 Sale Amount Jun 2016 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

3814 Northbrook Dr

0.273 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,000Feb 1983 —Apr 1981 1 Name on Record AssessorUpdated Jun 2026

3815 Northbrook Dr

6 units · Built 1984 · 936 sq ft

Last Sale Median Tax Bill Median Sale    
$410,000Jul 2022 $2,9702025 $325,0006 units    

3818 Northbrook Dr

2 bd · 1 ba · 976 sqft · 0.046 acres

Last Sale Tax Bill Prior Sale Owner Records
$115,000Sep 1994 $3,1262025 Sale Amount May 1993 2 Names on Record AssessorUpdated Jun 2026

3820 Northbrook Dr

2 bd · 1 ba · 1,088 sqft · 0.034 acres

Last Sale Tax Bill Prior Sale Owner Records
$421,000Apr 2020 $3,5012025 Sale Amount May 1995 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

3822 Northbrook Dr

2 bd · 1 ba · 976 sqft · 0.042 acres

Last Sale Tax Bill Prior Sale Owner Records
$390,000Jun 2016 $3,6682025 Sale Amount May 2011 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

3824 Northbrook Dr

2 bd · 1 ba · 976 sqft · 0.042 acres

Last Sale Tax Bill Prior Sale Owner Records
$600,000Aug 2025 $3,5002025 —Dec 1981 1 Name on Record AssessorUpdated Jun 2026

3825 Northbrook Dr

6 units · Built 1984 · 936 sq ft

Last Sale Median Tax Bill Median Sale    
$830,000Oct 2025 $3,0462025 $555,0006 units    

3826 Northbrook Dr

2 bd · 1 ba · 1,088 sqft · 0.035 acres

Last Sale Tax Bill Prior Sale Owner Records
$254,000Sep 2008 $3,5062025 Sale Amount Jul 2004 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

3828 Northbrook Dr

2 bd · 1 ba · 976 sqft · 0.044 acres

Last Sale Tax Bill Prior Sale Owner Records
$549,000Apr 2023 $3,6202025 Sale Amount Jun 2008 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

3830 Northbrook Dr

2 bd · 1 ba · 976 sqft · 0.043 acres

Last Sale Tax Bill Prior Sale Owner Records
$222,500May 2004 $3,5952025 Sale Amount Aug 1998 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

3834 Northbrook Dr

1 bd · 1 ba · 234 sqft · 0.762 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 1987 —Apr 1981 1 Name on Record AssessorUpdated Jun 2026

3835 Northbrook Dr

6 units · Built 1984 · 936 sq ft

Last Sale Median Tax Bill Median Sale    
$655,000May 2026 $3,3922025 $300,0006 units    

3845 Northbrook Dr

6 units · Built 1984 · 936 sq ft

Last Sale Median Tax Bill Median Sale    
$930,000Apr 2024 $3,5662025 $360,0006 units    

3855 Northbrook Dr

2 bd · 2.5 ba · 1,665 sqft · 0.115 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$139,000Nov 1991 $6,1152025 Sale Amount Oct 1988 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

3859 Northbrook Dr

2 bd · 3 ba · 2,094 sqft · 0.101 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$830,000May 2020 $6,3842025 Sale Amount May 2010 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

3865 Northbrook Dr

2 bd · 2.5 ba · 1,698 sqft · 0.09 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$730,000May 2018 $5,0562025 Sale Amount Feb 2013 1 Name on Record Assessor + 3 DocumentsUpdated Jun 2026

3869 Northbrook Dr

2 bd · 2.5 ba · 1,814 sqft · 0.095 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$125,900Dec 1987 $4,9882025 Sale Amount Jul 1985 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

3875 Northbrook Dr

4 bd · 3.5 ba · 1,941 sqft · 0.08 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$485,000Dec 2012 $5,1612025 Sale Amount Nov 1998 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

3879 Northbrook Dr

3 bd · 2.25 ba · 1,372 sqft · 0.081 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$515,000Apr 2013 $6,1252025 Sale Amount Aug 2007 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

3885 Northbrook Dr

3 bd · 2.25 ba · 1,804 sqft · 0.093 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$770,000Oct 2020 $5,9152025 Sale Amount Jun 2015 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

3889 Northbrook Dr

4 bd · 3.25 ba · 2,010 sqft · 0.119 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$870,000Jul 2020 $6,9092025 Sale Amount May 2015 2 Names on Record Assessor + 2 DocumentsUpdated Jun 2026

3891 Northbrook Dr

0.242 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 1987 —Apr 1981 1 Name on Record AssessorUpdated Jun 2026

Property Records in Nearby Streets