If you're ready to start making $$ on an INVESTMENT property in DeKalb, take a look at this 2 story, 2 unit home! Newly built exterior stairway & deck lead up to the 1 bedroom, 1 bath upper unit which features a galley style kitchen that includes appliances. Unit had fresh paint last year. Upper tenant is currently in place and pays 700.00 per month. The lower level is a 2 bedroom, 1 bath unit with plenty of space & newer appliances. Oak cabinets, dishwasher, refrigerator, microwave & stove all stay. Lower level is ready for you to move in or to rent out! The lower unit previously rented for 1000.00+ per month. Many upgrades made in the last year. Furnace is 4 years old! Aluminum siding and fenced yard. Huge 20 x 30 garage has room for up to 2+ vehicles plus extra space. Take a look and plan for your future!
If you're ready to start making $$ on an INVESTMENT property in DeKalb, take a look at this 2 story, 2 unit home! Newly built exterior stairway & deck lead up to the 1 bedroom, 1 bath upper unit which features a galley style kitchen that includes appliances. Unit had fresh paint last year. Upper tenant is currently in place and pays 700.00 per month. The lower level is a 2 bedroom, 1 bath unit with plenty of space & newer appliances. Oak cabinets, dishwasher, refrigerator, microwave & stove all stay. Lower level is ready for you to move in or to rent out! The lower unit previously rented for 1000.00+ per month. Many upgrades made in the last year. Furnace is 4 years old! Aluminum siding and fenced yard. Huge 20 x 30 garage has room for up to 2+ vehicles plus extra space. Take a look and plan for your future!
NWIAR #202302386
Jul 11, 2023
Sold
$150,000
$136/sq ft
May 23, 2023
Pending
—
May 19, 2023
Relisted
—
May 15, 2023
Pending
—
May 11, 2023
Listed
$149,000
$135/sq ft
MRED as Distributed by MLS Grid #11357644
Sep 25, 2022
Listing Removed
—
MRED as Distributed by MLS Grid #11357240
Mar 25, 2022
Listing Removed
—
Public Records
Apr 3, 2006
Sold
$126,000
$115/sq ft
Public Records
Sep 3, 2002
Sold
$105,000
$95/sq ft
Public Records
Jun 29, 2000
Sold
$90,000
$82/sq ft
Public Records
Dec 17, 1992
Sold
$77,000
$70/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$4,440 (+9.7%)
$8,781 + $54,037
$62,818
2024
$4,047 (−1.3%)
$8,781 + $54,037
$62,818
2023
$4,101 (+3.4%)
$8,018 + $49,344
$57,362
2022
$3,967 (−1.6%)
$6,991 + $43,024
$50,015
2021
$4,033 (−1.9%)
$7,979 + $37,276
$45,255
2020
$4,113 (+2.7%)
$7,484 + $34,962
$42,446
2019
$4,005 (+3.1%)
$7,076 + $33,053
$40,129
2018
$3,886 (−0.2%)
$6,836 + $31,932
$38,768
2017
$3,894 (+1.6%)
$6,571 + $30,695
$37,266
2016
$3,832 (+1.4%)
$6,571 + $30,695
$37,266
2015
$3,778 (+3.0%)
$6,405 + $29,920
$36,325
2014
$3,669 (−1.1%)
$8,781 + $25,299
$34,080
2013
$3,709 (+0.3%)
$9,224 + $26,575
$35,799
2012
$3,696 (+0.8%)
$10,128 + $29,181
$39,309
2011
$3,667 (+0.6%)
$11,126 + $32,057
$43,183
2010
$3,645 (−0.3%)
$11,445 + $34,173
$45,618
2009
$3,656 (+2.5%)
$12,186 + $36,385
$48,571
2008
$3,567
$12,006 + $35,847
$47,853
Tax history for 620 Prospect St
Year
Property tax
Land + Additions
Assessment*
2025
$4,440 (+9.7%)
$8,781 + $54,037
$62,818
2024
$4,047 (−1.3%)
$8,781 + $54,037
$62,818
2023
$4,101 (+3.4%)
$8,018 + $49,344
$57,362
2022
$3,967 (−1.6%)
$6,991 + $43,024
$50,015
2021
$4,033 (−1.9%)
$7,979 + $37,276
$45,255
2020
$4,113 (+2.7%)
$7,484 + $34,962
$42,446
2019
$4,005 (+3.1%)
$7,076 + $33,053
$40,129
2018
$3,886 (−0.2%)
$6,836 + $31,932
$38,768
2017
$3,894 (+1.6%)
$6,571 + $30,695
$37,266
2016
$3,832 (+1.4%)
$6,571 + $30,695
$37,266
2015
$3,778 (+3.0%)
$6,405 + $29,920
$36,325
2014
$3,669 (−1.1%)
$8,781 + $25,299
$34,080
2013
$3,709 (+0.3%)
$9,224 + $26,575
$35,799
2012
$3,696 (+0.8%)
$10,128 + $29,181
$39,309
2011
$3,667 (+0.6%)
$11,126 + $32,057
$43,183
2010
$3,645 (−0.3%)
$11,445 + $34,173
$45,618
2009
$3,656 (+2.5%)
$12,186 + $36,385
$48,571
2008
$3,567
$12,006 + $35,847
$47,853
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Beds
—
Baths
—
Stories
—
Lot width
50 ft.
Lot depth
132 ft.
Lot size
6,540 Sq. Ft.
Year renovated
—
Sq. Ft.
—
Year built
—
Style
Single Family Residential
County
DeKalb County
APN
823354007
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Oct 9, 2026.
Property details
Parking
Parking/Garage Information
# of Parking Spaces Total: 2
Interior
Interior Features
Appliances: Dishwasher, Microwave, Refrigerator, Gas Water Heater
Room Information
Has Basement
Basement Details: Full
Exterior
Exterior Features
Roof: Shingle
Building Information
# of Stories Total: 2
Construction Materials: Brick
Property Information
Property Type: Residential Income
Property Sub Type: Duplex
Raw Mls Property Sub Type: 2 Units
Financial
Tax Information
Tax Annual Amount: $3,967
Location
Schools Information
School District: Other/Outside Area
Elementary School: Other/Outside Area
Middle Or Junior School: Other/Outside Area
High School: Other/Outside Area
Public facts
Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: 6,540 square feet
Style: Single Family Residential
Year Built: —
Year Renovated: —
County: DeKalb County
APN: 823354007
Home facts updated by county records on Oct 9, 2026
Around this home
Schools
Founders Elementary School
Public K-5 • Assigned • 0.3mi
3/10
Huntley Middle School
Public 6-8 • Assigned • 1.0mi
3/10
De Kalb High School
Public 9-12 • Assigned • 2.1mi
3/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
2/10 Heat Factor
7 days above 101° expected this year, 15 days in 30 years
2/10 Wind Factor
Minor risk of severe winds over next 30 years
3/10 Air Factor
1 unhealthy days expected this year, 3 days in 30 years
Provided by First Street
Historical weather
DeKalb, IL • 60115
Average low and high temperatures (°F)
28
12
37
19
54
33
63
42
72
49
82
62
85
66
81
61
80
55
68
45
48
34
33
19
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 10.1 hours in
June and 3.5 hours in December, placing it below the
U.S. average for solar exposure.
10.1 hrs
3.5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$207,000 – $251,000
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