Maryland Department of the Environment

MDE Main Numbers

1800 Washington Boulevard
Baltimore, MD 21230-1718


Listings for this office: Click on a listing for a detailed view.
Name Title Phone Number/Extension
Main Office Number
Front Desk
410-537-3000  
Toll Free Main Number
Front Desk
800-633-6101  
Emergency Response
Front Desk
866-633-4686  
MDE
Fax Number
410-537-3888