MassGIS is located in the state McCormack Building at One Ashburton Place - Room 819, Boston, MA 02108.
NOTE: As of 8/31/2015, MassGIS is on the 8th floor, in room 819
By Subway (recommended): The closest MBTA subway stops are Park Street (Red and Green Lines), Bowdoin (Blue Line) and Government Center (Blue and Green Lines).
By Car: There is extremely limited street parking in the area. Take Storrow Drive to Government Center, Cambridge Street. Drive up Cambridge Street to the garage which is in the curved Cambridge Plaza building across from City Hall Plaza. See detailed directions and location on Google Maps.