4258 N MASON AVE, Chicago, IL is a rental building in Jefferson Park, Chicago. See every violation, 311 complaint, tenant review, and the LucidIQ score — before you sign a lease.
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Jefferson Park · March 2026
Best & worst months to sign a lease
Potential savings: ~8% by timing your move to December.
Monthly counts over the last 7 years · all data sources
No HPD records on file in the last 7 years.
Portfolio-level grade reflects the landlord's buildings across the city, weighted by unit count. Individual building grades may differ.
View full landlord profileTop 5 by score · of 1844 total
ACRIS deeds and regulatory filings
Divvy Bike Parking Complaint — No details available
DOB Violation — ARRANGE PREMISE INSPECTION
Building Violation — No details available
DOB Violation — ARRANGE FOR REINSPECTION REGAR
DOB Violation — SERVICE WALK, PASSAGE, AREAWAY
DOB Violation — REPAIR PORCH SYSTEM
Asking rent per bedroom type — switch tabs to see each with effective (concession-net) rent.
Jefferson Park is a working-class Northwest Side anchor — the Blue Line terminus, a strong Polish-American community, and housing prices that let you buy a brick bungalow on a city salary. Jefferson Park Transit Center ties buses and the El together.