Cooper Square Realty is the largest residential property management company in New York City. The firm offers an array of services including property management, project management and energy management. Cooper Square’s portfolio comprises upwards of 400 condominiums, cooperatives, and rental properties with an aggregate value of over $5 billion. The company manages more than 60,000 residences that are home to more than 200,000 people. These include distinctive lifestyle properties such as The Plaza Residences , luxury residential towers, new developments, prewar landmark buildings, and apartment complexes. Cooper Square holds an interest in Abigail Michaels Concierge, an industry leading concierge company with more than 50,000 clients.