The Supreme Judicial Court of Massachusetts has held that in the rental of any premises for residential purposes under an oral or written lease, for a specified time or at will, there is an implied warranty of habitability.
Boston Housing Authority v. Hemingway, 293 N.E.2d 813 (Mass. 1973).
Maureen E. Lally,
Landlord-Tenant - A Contractual Basis for and Implied Warranty of Habitability in Residential Leases,
Duq. L. Rev.
Available at: https://dsc.duq.edu/dlr/vol12/iss3/15