Massachusetts General Laws
Chapter 105a - Self-Service Storage Facilities
Section 2 - Rental Agreements; Residential Use Prohibited

Section 2. The operator may only lease space in a self-service storage facility by entering in to a rental agreement with an occupant.
An operator may not knowingly permit a leased space at a self-service storage facility to be used for residential purposes.
An occupant may not use a leased space for residential purposes.