In addition to the maps and atlases in the Map Library section, be sure to check out these geospatial data portals and web map viewers.


  • Analyze Boston - City of Boston's Open Data Hub where you will find GIS Data published by the BPDA and other city departments.
  • BostonMaps - City of Boston's ArcGIS Online web mapping platform.
  • Assessing Online - Information on City of Boston's assessed values, ownership and tax information, and much more. 


For more information about Maps and GIS Data, please contact us by email at [email protected].