Harper Ave, Gurnee, IL Property Records

Lake County property records for 66 addresses on Harper Ave, Gurnee, IL · Last verified August 2026

Harper Ave Highlights

Properties 66
Median Sale Price $326,500
Deeds and Mortgages on File 51
Median Price per Sqft $183
Owner Occupied 89%
Median Annual Tax Bill $8,503
Median Year Built 1980
Median Ownership Tenure 21 years

Properties on Harper Ave

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

3435 Harper Ave

6 bd · 5 ba · 5,121 sqft · 0.743 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$13,500Dec 1998 $23,2112024 Sale Amount Apr 1998 2 Names on Record Owner Occupied AssessorUpdated May 2026

3497 Harper Ave

3 bd · 2.5 ba · 2,124 sqft · 0.765 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$290,000May 2017 $13,6482024 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated May 2026

3500 Harper Ave

3 bd · 3 ba · 1,382 sqft · 0.387 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$254,000Jun 2010 $10,1712024 Sale Amount Sep 2005 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

3509 Harper Ave

2 ba · 1,212 sqft · 0.247 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,9882024 1 Name on Record Owner Occupied AssessorUpdated May 2026

3510 Harper Ave

3 bd · 2 ba · 1,196 sqft · 0.247 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$166,000Sep 2013 $7,4512024 Sale Amount Jun 2003 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

3525 Harper Ave

1.5 ba · 1,264 sqft · 0.247 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$147,000Aug 1996 $112024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

3526 Harper Ave

4 bd · 2.5 ba · 2,064 sqft · 0.247 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$220,000Apr 2016 $8,2902024 Sale Amount Sep 1996 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

3546 Harper Ave

1.5 ba · 1,288 sqft · 0.247 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$144,000Apr 1998 $7,8372024 2 Names on Record Owner Occupied AssessorUpdated May 2026

3547 Harper Ave

3 bd · 2.5 ba · 1,663 sqft · 0.247 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$139,000Apr 2013 $7,3882024 —Nov 2012 1 Name on Record Owner Occupied AssessorUpdated May 2026

3834 Harper Ave

0.248 acres

Last Sale Tax Bill Prior Sale Owner Records
$42,500Feb 2010 $1,0362024 1 Name on Record Assessor + 1 DocumentUpdated May 2026

3850 Harper Ave

0.248 acres

Last Sale Tax Bill Prior Sale Owner Records
$42,500Feb 2010 $1,0362024 1 Name on Record Assessor + 1 DocumentUpdated May 2026

3866 Harper Ave

4 bd · 2.5 ba · 2,926 sqft · 0.371 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$288,000Mar 2020 $13,5592024 Sale Amount Jun 2018 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated May 2026

3873 Harper Ave

3 bd · 3.5 ba · 2,886 sqft · 0.743 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$85,000Jul 2003 $17,5272024 2 Names on Record Owner Occupied AssessorUpdated May 2026

3876 Harper Ave

3 bd · 2.5 ba · 2,288 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$372,000Apr 2005 $10,5102024 —Nov 1995 1 Name on Record Owner Occupied AssessorUpdated May 2026

3881 Harper Ave

0.247 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,0352024 1 Name on Record AssessorUpdated May 2026

3888 Harper Ave

3 bd · 2.5 ba · 2,118 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$50,000Sep 1995 $9,2142024 2 Names on Record Owner Occupied AssessorUpdated May 2026

3889 Harper Ave

0.247 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,0352024 1 Name on Record AssessorUpdated May 2026

3897 Harper Ave

0.248 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,0362024 1 Name on Record AssessorUpdated May 2026

3905 Harper Ave

4 bd · 2.5 ba · 2,517 sqft · 0.289 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$314,000Sep 2000 $11,4032024 Sale Amount Sep 1997 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

3911 Harper Ave

4 bd · 3.5 ba · 2,827 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$265,000Jun 1997 $11,2002024 2 Names on Record Owner Occupied AssessorUpdated May 2026

3917 Harper Ave

3 bd · 2.5 ba · 2,902 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$12,6502024 1 Name on Record Owner Occupied AssessorUpdated May 2026

3923 Harper Ave

4 bd · 4 ba · 2,629 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$376,000Apr 2021 $11,7452024 Sale Amount Jan 2003 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

3924 Harper Ave

3 bd · 2.5 ba · 1,668 sqft · 0.309 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$260,000Jun 1994 $8,4752024 Sale Amount Sep 1993 2 Names on Record Owner Occupied AssessorUpdated May 2026

3929 Harper Ave

4 bd · 2.5 ba · 2,557 sqft · 0.239 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$313,000Jul 1996 $11,2832024 2 Names on Record Owner Occupied AssessorUpdated May 2026

3930 Harper Ave

4 bd · 2.5 ba · 2,745 sqft · 0.239 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$85,000Dec 2003 $12,9782024 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated May 2026

3935 Harper Ave

4 bd · 3 ba · 3,246 sqft · 0.26 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Oct 1994 $13,3642024 Sale Amount Nov 1993 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

3936 Harper Ave

3 bd · 3.5 ba · 2,500 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$275,000Jan 2019 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated May 2026

3955 Harper Ave

3 bd · 2.5 ba · 2,016 sqft · 0.325 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$8,1202024 2 Names on Record Owner Occupied AssessorUpdated May 2026

3962 Harper Ave

3 bd · 2 ba · 1,733 sqft · 0.402 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$199,000Sep 2013 $8,5032024 2 Names on Record Owner Occupied AssessorUpdated May 2026

3963 Harper Ave

4 bd · 3 ba · 2,174 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$229,000Jul 1995 $9,3692024 2 Names on Record Owner Occupied AssessorUpdated May 2026

3975 Harper Ave

2 ba · 1,674 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$326,500Mar 2022 $8,8312024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

3984 Harper Ave

2.5 ba · 2,324 sqft · 0.309 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2020 2 Names on Record Assessor + 4 DocumentsUpdated Aug 2026

3995 Harper Ave

2.5 ba · 1,890 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$190,000Sep 2012 $8,2532024 Sale Amount Nov 1993 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

3996 Harper Ave

2.5 ba · 2,208 sqft · 0.309 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$50,000Oct 2001 $11,3462024 1 Name on Record Owner Occupied AssessorUpdated May 2026

4010 Harper Ave

4 bd · 2.5 ba · 2,096 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$247,500Jun 2001 $7,4552024 1 Name on Record Owner Occupied AssessorUpdated May 2026

4011 Harper Ave

4 bd · 2.5 ba · 2,256 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$123,333Jul 1997 $8,2642024 1 Name on Record Owner Occupied AssessorUpdated May 2026

4020 Harper Ave

1 ba · 2,160 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$200,000Apr 2002 $8,9472024 1 Name on Record Owner Occupied AssessorUpdated May 2026

4025 Harper Ave

3 bd · 3.5 ba · 2,254 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$279,000Jan 2004 $8,7242024 Sale Amount Apr 1999 1 Name on Record Owner Occupied AssessorUpdated May 2026

4030 Harper Ave

4 bd · 3 ba · 1,586 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$270,000Jul 2007 $8,6472024 Sale Amount Jul 1997 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated May 2026

4035 Harper Ave

2.5 ba · 2,361 sqft · 0.232 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$9,6092024 1 Name on Record Owner Occupied AssessorUpdated May 2026

4040 Harper Ave

3 bd · 2.5 ba · 2,593 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$276,000Aug 2002 $11,2782024 1 Name on Record Owner Occupied AssessorUpdated May 2026

4055 Harper Ave

5 bd · 2.5 ba · 2,721 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$272,000Dec 2020 $10,0932024 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

4060 Harper Ave

3 bd · 2 ba · 1,581 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,7872024 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated May 2026

4067 Harper Ave

4 bd · 2.5 ba · 2,138 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$202,500Aug 2012 $8,7842024 Sale Amount Jul 1998 1 Name on Record Owner Occupied AssessorUpdated May 2026

4070 Harper Ave

4 bd · 2.5 ba · 2,089 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$9,6992024 1 Name on Record Owner Occupied AssessorUpdated May 2026

4080 Harper Ave

4 bd · 2.5 ba · 1,152 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,7842024 2 Names on Record Owner Occupied AssessorUpdated May 2026

4083 Harper Ave

3 bd · 2 ba · 1,694 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$275,000Aug 2005 $8,6352024 1 Name on Record Owner Occupied AssessorUpdated May 2026

4090 Harper Ave

4 bd · 2.5 ba · 2,183 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$8,1252024 1 Name on Record Owner Occupied AssessorUpdated May 2026

4112 Harper Ave

5 bd · 2 ba · 2,672 sqft · 0.371 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$320,000Nov 2002 $10,5432024 Sale Amount Jan 1997 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

4125 Harper Ave

4 bd · 2 ba · 1,993 sqft · 0.247 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$8,4792024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

4132 Harper Ave

1.5 ba · 2,064 sqft · 0.371 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$260,000Dec 2005 $8,4592024 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

4133 Harper Ave

3 bd · 1.5 ba · 1,461 sqft · 0.247 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$226,000Aug 2019 $7,5622024 Sale Amount Nov 2007 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated May 2026

4149 Harper Ave

3 bd · 2 ba · 1,877 sqft · 0.371 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$345,000Jan 2024 $11,4122024 Sale Amount Sep 2023 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated May 2026

4150 Harper Ave

2.5 ba · 1,640 sqft · 0.371 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$170,000Jul 1997 $8,1782024 2 Names on Record AssessorUpdated Aug 2026

4167 Harper Ave

3 bd · 1 ba · 1,204 sqft · 0.347 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$145,000Jul 2015 $3,2412024 Sale Amount Feb 1998 2 Names on Record Owner Occupied AssessorUpdated May 2026

4170 Harper Ave

3 bd · 1.5 ba · 960 sqft · 0.371 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$230,000Jan 2021 $7,6662024 Sale Amount May 2019 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated May 2026

4187 Harper Ave

3 bd · 1.5 ba · 1,590 sqft · 0.387 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$185,000Oct 2009 $8,1842024 Sale Amount Apr 2008 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

4209 Harper Ave

4 bd · 3 ba · 1,248 sqft · 0.247 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$255,000Feb 2005 $8,2642024 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated May 2026

4221 Harper Ave

4 bd · 2.5 ba · 1,827 sqft · 0.247 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$300,000Dec 2004 $9,6182024 Sale Amount May 2003 1 Name on Record Owner Occupied AssessorUpdated May 2026

4232 Harper Ave

3 bd · 1 ba · 1,043 sqft · 0.371 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$139,000Aug 2000 $4,4872024 Sale Amount Jan 1996 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated May 2026

4237 Harper Ave

2 ba · 1,164 sqft · 0.247 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$158,500Nov 1998 $7,5732024 Sale Amount Jun 1994 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

4243 Harper Ave

3 bd · 2 ba · 1,104 sqft · 0.278 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$207,500Sep 2003 $6,9252024 1 Name on Record Owner Occupied AssessorUpdated May 2026

4250 Harper Ave

4 bd · 1.5 ba · 1,584 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$280,000Nov 2021 $6,5432024 Sale Amount Apr 2019 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated May 2026

4260 Harper Ave

3 bd · 2.5 ba · 2,320 sqft · 0.26 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$175,000Aug 1994 $8,1672024 2 Names on Record Owner Occupied AssessorUpdated May 2026

4269 Harper Ave

4 bd · 2 ba · 2,067 sqft · 0.489 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$411,000Jul 2026 $10,0352025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4270 Harper Ave

6 bd · 3.5 ba · 2,776 sqft · 0.365 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$357,000Dec 2016 $13,5892024 Sale Amount May 2003 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

Property Records in Nearby Streets