Hallmark Management Group Llc

Hallmark Management Group Llc is a poorly regarded corporate owner. Across their buildings, tenants rate them 2.5/5 across 4 reviews, with 25% recommending their buildings and 25% approving of them as an owner or associate. Their portfolio records 5 evictions, 95 open violations, and 33 litigation cases. Data last updated September 1, 2026. Across Ditmas Park in Brooklyn and Concourse in The Bronx, Hallmark Management Group LLC is a corporate owner associated with 2 buildings and 60 units. The portfolio is concentrated in Ditmas Park in Brooklyn. The buildings were built primarily in the 1920s and are mostly low-rise. About half 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.