Information about this can be found on the below pages:
https://masslandlords.net/can-i-vape-or-smoke-weed-marijuana-in-my-apartment/
https://masslandlords.net/what-to-do-if-a-tenant-has-a-medical-marijuana-card/
https://masslandlords.net/hey-man-can-smoke-weed/
https://masslandlords.net/marijuana-ballot-question-includes-landlord-rights/
Learn more about other Massachusetts Landlord Tenant Laws under the Laws by Topic section at https://masslandlords.net/laws/.