Arlington Belmont Braintree Brookline Cambridge Canton Chelsea Cohasset Dedham Everett Hanover Hingham Hull Milton
Needham Newton Norwell Norwood Quincy Revere Scituate Somerville Watertown Wellesley Westwood Weymouth Winthrop

Region 4b is comprised of 27 communities that form a crescent around Boston. These communities have a combined population of 980,000. The Cambridge Public Health Department, as the host agent for Region 4b, acts as the fiscal and administrative agent for Region 4b as well as coordinating planning and response activities for the region.

Learn more about each of our communities by clicking each city/town on the map and going directly to the corresponding health department website. You may also view the Region 4b Directory to contact each health department directly.

Public Safety Advisory on Potential Roof Collapses