650 Massachusetts Avenue NW

Tenant Handbook 

Property Management Office


As the property manager of 650 Massachusetts Avenue, NW we want you to know that every member of our staff is here to assist you. The Management Office is located on the 2nd floor and business hours are 8:30am to 5:00pm, Monday through Friday, excluding major holidays. Please feel free to call the Management Office at (202) 408-7851 if we can be of any assistance to you. After hours, tenants can call the management office for routine matters or (301) 654-3282 if it is a building operation emergency.

Property Management Staff


Title Name Email
Property Manager Sawsan Eltayeb sawsan.eltayeb@brookfieldproperties.com
Property Assistant Luis Zavala luis.zavala@brookfieldproperties.com
Lead Engineer  Dean Blake dean.blake@brookfieldproperties.com

Tenant Service Requests 

Brookfield Properties utilizes an online Tenant Service Request system which is accessible by designated tenant facility contacts. If a need for building services arises, please notify the Management Office by submitting a Tenant Service Request or contacting our office so we may respond promptly. Please refer to Base Building Services and  "Tenant Service Requests" for more information.


After Hours Building-Related Emergencies 

Should you encouter a building related emergency after normal business hours, please call our after hours emergency number answered by Datawatch Systems at (301) 654-3282 who will dispatch a Brookfield on call engineer to assist you. If you have a non-emergency service call, feel free to leave a message with the Management Office at (202) 408-7851 and your call will be addressed the next business day. For any emergency calls requiring police, fire or ambulance service, call 911.