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Price cut: $10,000
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Home · Chicago, IL
$389,900$399,900
9 beds · 3 baths
6640 UNION Avenue, Chicago, IL, 60621
A brick-and-mortar place to make your own — room to make it home.
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What’s special

Welcome to this beautifully renovated GREYSTONE 2-unit property offering incredible income potential and future upside. This oversized building features a massive duplex-down first unit with 5 bedrooms and 2 bathrooms, along with a spacious 4 bedroom, 1 bathroom second-floor unit-ideal for maximizing rental income. The property has been thoughtfully updated with modern finishes throughout, making it truly turnkey for an investor or house hacker looking to generate strong cash flow from day one. What sets this property apart is the significant value-add opportunity: the expansive lower level provides the potential to be converted into an additional unit, allowing a buyer to create a 3-unit building and substantially increase rental income. With the right vision, this property can easily produce $5,000+ per month in rental income. Perfect for: Investors seeking strong returns House hackers looking to cover their mortgage Buyers looking for a property with forced appreciation potential Conveniently located with access to public transportation, major roadways, and neighborhood amenities. Don't miss this rare opportunity to own a high-upside asset with immediate income and future scalability.
— the listing agent’s description

The home

9 beds
3 baths
Built in 1900

What it’ll cost

No HOA
Listed $399,900
Now $389,900
15 days on dwello

Estimated monthly payment

$2,869/mo
Principal & interest$2,073
Property taxes$682
Homeowners insurance$114
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On our team, vettedYour info is never soldWith you through closing

Tour this home

In person, on your schedule — a dwello agent meets you there.
WED
Jun 3
THU
Jun 4
FRI
Jun 5
SAT
Jun 6
11:00 am
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15 days on dwello
Price history
Price reduced
Apr 23, 2026
↓ $10,000$389,900
Listed for sale
Apr 9, 2026
$399,900
Earlier records
Listed
Jun 5, 2026
$369,900
Listed
May 6, 2026
$369,900
Listed
Apr 23, 2026
$374,900
Sold
Apr 15, 2025
$60,000
Now $10,000 below the original list price.
Property taxes
Assessed value
2025
County assessor
$12,001~$120,010 mkt
2024
$12,001~$120,010 mkt
2023
$3,501~$35,010 mkt
2022
$3,501~$35,010 mkt
2021
$3,501~$35,010 mkt
2020
$5,983~$59,830 mkt
2019
$6,799~$67,990 mkt
2018
$6,799~$67,990 mkt
Assessed value from the Cook County Assessor (open records). Estimated market ≈ assessed × 10 for residential; not an appraisal — verify with the assessor.

Features

Natural GasBrickPublic SewerYes
Neighborhood
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Nearby places via OpenStreetMap — approximate; verify what matters to you. Map © Mapbox © OpenStreetMap.
MLS listing dataMRED
Listed by Jaskirat Vig · Blue Door Dave Inc
Listing last updated Apr 23, 2026 · data refreshed from the MLS Apr 23, 2026, 5:15 AM CT
Based on information submitted to the MLS GRID as of Apr 23, 2026, 5:15 AM CT. Listing data © MRED LLC, distributed by MLS GRID — deemed reliable but not guaranteed; independently verify. Anything shown below this point is not MLS listing data.
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