Magdalena Kosz

Magdalena Kosz is a modestly rated but responsible head officer. Across their buildings, tenants rate them 3.0/5 across 12 reviews, with 17% recommending their buildings and 34% approving of them as an owner or associate. Their portfolio records 7 evictions, 73 open violations, and 9 litigation cases. Data last updated September 26, 2026. Associated with 8 buildings and 163 units across Manhattan, Magdalena Kosz is a head officer responsible for a portfolio that spans construction eras from the 1900s to the 1920s, reflecting multiple generations of development. The portfolio spans multiple neighborhoods across Manhattan, including Murray Hill, Upper West Side, East Village, Yorkville, and Soho. The buildings are primarily mid-rise. About 88 percent of the associated buildings have rent-stabilized apartments. Prospective renters can find building-level ratings, reviews, and open-data records on the associated building pages.