147 Prince Street, Suite 335, Brooklyn, NY, 11201. Make sure you specify Brooklyn in Google Maps; the default is Prince Street in Manhattan.
Google Maps will also lead you to the wrong entrance. See the picture on the right – look for the sign for "Manhattan Bridge Carwash".
Look for "Green Desk" and ask for Umbrella at the door. Once in the lobby, call whomever you're visiting or call our office at 718-260-6719.