3900 S UNION AVE, Chicago, IL is a rental building in Back of the Yards, Chicago. See every violation, 311 complaint, tenant review, and the LucidIQ score — before you sign a lease.
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Back of the Yards · March 2026
Best & worst months to sign a lease
Potential savings: ~19% by timing your move to August.
Monthly counts over the last 7 years · all data sources
No HPD records on file in the last 7 years.
Back of the Yards takes its name from the old Union Stock Yards — today it is a working-class, predominantly Mexican neighborhood with affordable housing, strong parish communities, and a growing commercial strip on Ashland.
Open Fire Hydrant Complaint — No details available
Abandoned Vehicle Complaint — No details available
Abandoned Vehicle Complaint — No details available
Street Light Out Complaint — No details available
Sign Repair Request - Do Not Enter Sign — No details available
Graffiti Removal Request — No details available
Traffic Signal Out Complaint — No details available
Sign Repair Request - All Other Signs — No details available
Sign Repair Request - All Other Signs — No details available
Dead Animal Pick-Up Request — No details available
Asking rent per bedroom type — switch tabs to see each with effective (concession-net) rent.