Gnm Management Llc

Gnm Management Llc is a mixed-profile corporate owner. Across their buildings, tenants rate them 3.0/5 across 10 reviews, with 50% recommending their buildings and 20% approving of them as an owner or associate. Their portfolio records 6 evictions, 40 open violations, and 2 litigation cases. Data last updated September 4, 2026. Gnm Management LLC is a corporate owner associated with 11 buildings and 210 units across Brooklyn. The portfolio spans multiple neighborhoods including Park Slope, Greenwood, Borough Park, Kensington, and Gowanus. The buildings were built primarily in the 1900s. They are mostly low-rise buildings. A majority of the associated buildings have rent-stabilized apartments. Individual building ratings, tenant reviews, and public records are on the associated building pages.