The Massachusetts Apartment Association -Founded in 1953, MAA today represents owners and managers of some 198,000 units across the state. Whether you have a two-family house, manage a 200-unit condominium complex or manage a 500-unit apartment community, MAA can help you operate your business more effectively. Our members represent every facet of the industry: Apartment Owners, Property Managers, Condominium Managers, Subsidized Housing Owners, Developers of Rental and Condominium properties, Realtors, Brokers, Rental Agents, Service Providers (Affiliate Members).