Data Sales

The City of Cambridge sells digital Geographic Information System (GIS) data of the City upon request. Below is information on how to obtain the data, pricing, and file formats available.

City of Cambridge GIS Data Sales

A complete data on CD can be picked up at our office at 831 Massachusetts Avenue, or can be mailed to the requester. Each CD costs $20. Requests for infrastructure (water distribution, sanitary sewer, and stormwater) will be reviewed by the appropriate engineering staff. The fee will be waived for students (see note below), organizations doing a project for the City, non-profits, and full time residents of Cambridge.

To request a dataset, fill in and submit the information in our Request a Data CD Form

A note to students: GIS data is free for students if you can supply a staff contact from your school. If your school is in the Boston area, most likely the data is already at your school. Please contact us to verify.

Standard Cambridge Data CD Includes:

  • Base map layers (roads, buildings, hydro, and rail line)
  • Political boundaries (city boundary, zip codes, neighborhoods)
  • Tax Parcels (parcels, taxing districts, text, and limited attributes)
  • Planning layers (zoning, open space, historical districts, census data)
  • Environmental layers (wetlands, watershed data)
  • Municipal layers (schools, points of interest, election districts)
  • Topography (1 foot contours, spot elevations, DTM)
  • Transportation layers (centerlines, intersections, major roads)       
  • Addressing data (address points, address tables)                                                                                                        

Ortho CD Includes:

  • 3 inch citywide MrSID orthophoto. Flight date: April 14, 2010.

Digital orthophotos are a digitally enhanced mosaic of the aerial photographs used for creating the planimetric and topographic landbase layers. These images are available in a citywide seamless MrSID format.

Planimetric and Topographic Information:

  • Planimetric and topographic landbase data was prepared through the use of photogrammetric methods from aerial photography dated April 14, 2010. This information meets ASPRS Standards for 1”=40’ Class 1 Map accuracy.
  • All data has been projected to the Stateplane grid coordinate system, Zone 4151, Datum NAD83 and Units feet.
  • Coordinate Datum: NAD-83 Massachusetts Coordinate System, Mainland Zone
  • Vertical Reference Datum: NAVD-88

Assessing Data:

  • AsseThe Standard GIS CD comes with some of the more commonly used Assessing (CAMA) data. A more complete set of data can be requested to the Cambridge Assessors office. Please contact 617-349-4343 for more info.

Data Formats:

Complete data set in ESRI File Geodatabase (version 10.0). Data CD also includes ESRI Shapefile format except for annotation layers. Images are available in MrSID format.