CHA's Central Office is open Monday through Friday from 8:30 am to 5:00 pm.
Address is: 362 Green Street - 3rd floor
Cambridge, MA 02139
Main Telephone Number: 617.864.3020
After-Hours/Emergencies (Answering Service): 617.864.3020
Informational Switchboard/Wait List: 617.499.7041
For a complete list of contacts, please visit the CHA Staff Directory.