Boston

The Boston Atlas

The BRA’s public internet mapping application.  Including data from many city agencies as well as information from neighboring towns and state agencies.

Boston Redevelopment Authority

Source of maps/zoning maps/aerial Photographs of Boston, and reports and resources.

Boston Region Metropolitan Planning Organization: Data Resources

The Data Resources area of this website is a portal for information on transportation in the Boston metropolitan area.

City of Boston: Assessing Online

Contains property parcel data including assessed value, location, ownership and tax information for each piece of property in the city.

MetroBoston DataCommon

This site makes available a wealth of data about cities and towns in Massachusetts through a partnership between the Metropolitan Area Planning Council (MAPC) and the Boston Indicators Project.

Brookline

Brookline GIS

A good resource to request city wide maps and digital data sets, to download static maps, to find out school and zoning districts, or to find out an address and abutting property information.

Cambridge

Cambridge GIS

GIS website of Cambridge.  Offers an online GIS tool called “Cambridge CityViewer”, containing city-wide information on parks, construction, parcel, sewer, zoning, water, and traffic, etc.

City of Cambridge: Property Database