01 / 09
Portfolio at a glance.
02 / 09
The record over time.
03 / 09
Case file.
04 / 09
The buildings.
05 / 09
Ownership & operations.
06 / 09
Tenant voice.
07 / 09
Where they operate.
08 / 09
Compare & act.
09 / 09
How KOSTERIS shows up on public housing records.
Full ownership history (ACRIS deeds, prior sales, linked LLCs) ships in a later pass — some portfolios span dozens of entities that take time to reconcile.
This landlord owns or manages 14 buildings across Chicago. The portfolio sits around the city average on compliance.
They rank among the tracked portfolios by building count among tracked landlords in Chicago.
Flagged scofflaw — Chicago's Residential Landlord and Tenant Ordinance applies.
0 active housing-court litigations are on file across their buildings.
The worst-rated buildings are 9803 S MERRION AVE, 2500 W 115TH ST, and 9745 S BRENNAN AVE.
Violations are tracked 0% over the last 24 months.
The head officer runs the portfolio since an unknown year, registered with the local housing authority.
Every time a tenant calls 311, an inspector cites a violation, or a case lands in housing court, it shows up here. The numbers below aggregate across the entire portfolio.