This layer shows the locations of wetlands in Cambridge. This is part of the City of Cambridge 1" - 40' base map layers from an April 14, 2010 flyover. Basemap layers created by Infotech America.

For more information and download links see:
http://www.cambridgema.gov/gis/gisdatadictionary/hydro/hydro_wetlands.aspx

This polygon layer contains the three elective districts for state legislators who represent Cambridge in the Massachusetts Senate. This layer was created for general use by the Cambridge Election Commission and for public distribution. Cambridge wards and precincts can be overlaid on district boundaries to designate which voters fall into each district.

For more information and download links see:
http://www.cambridgema.gov/GIS/gisdatadictionary/Elections/ELECTIONS_StateSenateDistricts.aspx

Police Response Districts are computer aided dispatch (CAD) reporting areas. All other districts which include police sectors, regions, walking areas, business districts fall within the boundaries of a police response district. These are used Emergency Communication Center (ECC)aka the 911 center to dispatch emergency vehicles and first responders. Police Response Districts are computer aided dispatch (CAD) reporting areas which are used by the Emergency Communication Center (ECC) to dispatch emergency vehicles and first responders.

Police Neighborhood Regions are used for response and reporting by Cambridge Public Safety. These are used for reporting, mapping and analysis purposes. The boundaries differ from the Community Development Neighborhoods slightly. This is a neighborhood map used by Cambridge Public Safety within their computer aided dispatch (CAD) software.

This polygon layer contains the City of Cambridge's zoning districts governing land and building use. Created as part of Cambridge's Zoning Ordinance to delineate zoning district boundaries.

For more information and download links see:
http://www.cambridgema.gov/GIS/gisdatadictionary/CDD/CDD_ZoningDistricts.aspx

This point layer contains the police stations within the City of Cambridge.

Fire Rescue Districts are areas which represent Cambridge Rescue teams housed in fire stations and areas which each rescue truck will be dispatched. Each fire station has Engine companies. Some have Rescue teams. Each Rescue District is used by the Emergency Communication Center (ECC) to dispatch emergency vehicles and first responders.

Short-term rentals in Cambridge. Short-term rental (STR) refers to the rental of any dwelling unit of bedroom as residential accommodation for a duration of less than 30 consecutive days.

Police Business Regions are used for response and reporting by Cambridge Public Safety. These are used for reporting, mapping and analysis purposes. There are 8 regions in Cambridge.

The Economic Development Division maintains a listing and map of Cambridge companies working in the life sciences and information technology sectors. The listing is not intended as a comprehensive source for businesses information. The data is sourced from news items, real estate industry market reports and industry associations, such as MassBIO.