April 6, 2020
The Massachusetts essential services list includes inspection and real estate services at https://www.mass.gov/info-details/covid-19-essential-services#other-community-based-essential-functions-and-government-operations-
Be sure to consult with your local business attorney, and abide by the InterNACHI® Code of Ethics, which says that the “InterNACHI® member shall comply with all government rules and licensing requirements of the jurisdiction where he or she conducts business.”