Margeson Apartments is a 137-unit high rise apartment building that is home to both seniors and people with disabilities. The development has 137 one-bedroom units. Margeson was built in 1973 and has undergone many modernization programs. The property is located at 245 Middle Street within walking distance of downtown Portsmouth, recreational facilities including the City of Portsmouth Library. The management offices of Portsmouth Housing is located on the first floor of Margeson.