Massachusetts cities and towns use zoning districts (residential, commercial, industrial, etc.) to set forth the type of land use(s) and structures permissible within a given geographical area. Chapter 40A, § 4, requires that these "districts shall be uniform within the district for each class or kind of structures or uses permitted."
For owners of environmentally sensitive land, granting a conservation restriction (also referred to as a conservation easement) is a land use tool that may make sense in some cases. Though they are a voluntary limitation on the use of land, common reasons to grant a conservation restriction include,