Kotsonis Organization Llc.

Kotsonis Organization Llc. is a mixed-profile corporate owner. Across their buildings, tenants rate them 3.9/5 across 21 reviews, with 62% recommending their buildings and 72% approving of them as an owner or associate. Their portfolio records 1 eviction, 57 open violations, and 6 litigation cases. Data last updated September 8, 2026. Kotsonis Organization LLC is a corporate owner associated with 29 buildings and 239 units across Park Slope, Greenwood, Boerum Hill, and Prospect Heights in Brooklyn. The portfolio spans multiple neighborhoods across Brooklyn. The buildings were built primarily in the 1920s, reflecting a historical range of construction. The portfolio mostly consists of low-rise buildings, with about 93 percent of the associated buildings having rent-stabilized apartments. Prospective renters can find building-level ratings, reviews, and open-data records on the associated building pages.