NOTICE: Inspectional Services will be open to members of the public, by appointment only, Monday through Thursday. Appointments are available with building inspectors, sanitary inspectors, housing inspectors, and East and West Cambridge Trade Inspectors, as well as for general administration and zoning services (researching building files, submitting payment or documents, etc.). Appointments can be made online, by phone at 617-349-6100, or by email at isd@cambridgema.gov.