Article 3. ZONING DISTRICTS, USES, AND DIMENSIONAL STANDARDS  


§ 3.1. Establishment and intent of zoning districts.
§ 3.2. Zoning Atlas.
§ 3.3. General use districts.
§ 3.4. Conditional Districts.
§ 3.5. Special districts.
§ 3.6. Overlay Districts.
§ 3.7. Use regulations.
§ 3.8. Dimensional standards.
§ 3.9. Incentive zoning.
§ 3.10. Inclusionary zoning.
§ 3.11. Blue Hill Form District.

This article establishes zoning districts and describes the various uses permitted within the zoning districts, as well as design regulations. Several types of zoning districts are established.

First, "General Use" districts (section 3.3) divide the town into various residential, commercial and industrial zones. Each district establishes uses that are permitted "as of right," and uses permitted only as "special uses." Special uses require a public hearing in order to assess whether conditions are needed in order to make the use compatible with other uses in the district. The uses permitted in each district are listed in section 3.7.

"Conditional" Districts (section 3.4) include district-specific conditions agreed upon by the town council and the property owner(s) to ensure that the use or group of uses is compatible with adjoining districts and uses. There are two types of Conditional Districts, each with different application procedures and requirements for establishment by the town council: Conditional Use Districts (sections 3.4.1-2) and Conditional Zoning Districts (sections 3.4.3-4).

"Special" districts (section 3.5) involve uses which cannot be adequately addressed by the base district regulations. Unlike the overlay districts, these districts are independent of the general use zoning districts. The special districts have separate use and design regulations.

"Overlay" districts are established in section 3.6. Within these districts, the standards of both the general use and overlay districts apply. These districts address special situations such as groundwater recharge, historic preservation, airport hazards, and utility conversions where the base district regulations are not sufficient to protect the public.

One essential function of zoning is to regulate the dimensional aspects of development. Section 3.8 establishes regulations governing the configuration and location of lots, buildings, structures and paved surfaces. This includes lot size, density, intensity, lot width, and setbacks from streets and property lines. These standards are consolidated in a schedule called the Dimensional Matrix (Table 3.8-1). The amount of a lot that may be covered with built or paved surfaces ("impervious surface ratio") is also established in the dimensional matrix.

Section 3.9 establishes incentives in the form of additional density and other regulatory measures in order to encourage redevelopment and enhanced site design. Landowners are permitted through rezoning to transfer densities from environmentally sensitive sites that are inappropriate for development to sites that are suitable for increases in density.

Some uses, while permitted in a zoning district, raise special concerns which require additional regulations. These regulations are established in article 6. They apply regardless of whether the use is permitted as of right or as a special use within the district.

(Ord. No. 2017-04-05/O-7 , § 1; Ord. No. 2017-11-29/O-4 , § 1)

Cross reference— Keeping certain animals in town, Ch. 4, § 4-10.