RU-3 (Rural District): This zone provides land suitable for low density residential development with minimum lot size of 3 acres to create a blend of residential areas, forests, farming and recreational activities.

RU-4 (Rural District): This zone is similar to RU-3 although the minimum lot size per housing unit is 4 acres with the intention of preserving the area's rural character while allowing for existing and future farming, forestry, conservation practices, and recreational uses.

CR-5 (Conservation / Recreation): This zone is, "established as a separate district to preserve and protect an area abundant with natural resources, landscapes and sensitive soils having sever limitations, and to provide for a natural mixture of residential and recreational uses." The minimum lot size per housing unit is 5 acres.

B (Business): This zone provides areas for business that allows commercial activities to serve the needs of the immediate surrounding community. Each business must contain, within its own lot, the wellhead protection for the well supplying all of its water. Only specific uses are permitted.

LB/R (Light Business/Residential): "The purpose of this zone is to allow the development of low density commercial uses including residences, home occupations and light business uses and to provide a buffer to the existing general business uses that exit. All uses are subject to development plan review requirements."

LI (Light Industrial): This zone is intended to provide areas for future industrial and commercial developments based on the land characteristics that make it safe to do so. Furthermore, these establishments must submit to a 250 persons maximum capacity and provide within their own lot, the wellhead protection for their water supply.

OSPL (Open Space and Public Land): This zone encompasses all land protected by the state, local, or private interests to afford future protection against the future conversion of these lands. More land can be added to this category once it is acquired for this purpose.

GWOL (Groundwater Protection Overlay District): "The purpose of this zone is to preserve, protect and maintain the quality and quantity of groundwater supply and groundwater recharge areas," as this is the source of current and future water supply sources. It is necessary to create further regulations to guard against the contamination of this resource because of its special vulnerability because of its specific conditions. More details about restrictions to land use in this area are here.

Planned Districts: This zone is intended to allow the town extra control over future planned commercial and industrial sites like Ladd Center and Dorset Mill. Included in this plan, are village center districts, planned business, light industrial development districts, and rural residential compounds.