Some pre-wars have an elevator attendant. Former commercial buildings converted to apartments. Large open space. Usually elevator but no doorman service. Most are found in lower Manhattan in Soho, Tribeca or Chelsea.
Most lofts are coo-ops.
Some have restrictions regarding tenancy such as status as a certified artist. Full or part-time doorman. The more luxurious buildings also have a concierge that provides services such as receiving laundry and packages. Doorman or non-doorman. Built in the late 1800s to 1940s.