A second dwelling unit either in or added to an owner-occupied, detached single-family dwelling ("interior unit"), or in a separate accessory structure on the same lot as the principal dwelling ("exterior unit"), for use as a complete living unit, with provisions for cooking, eating, sanitation, and sleeping within the accessory apartment. Both the principal residence and the accessory apartment shall be in the same ownership.

A building not attached to any principal building, or a use customarily incidental to and located on the same lot with the principal building or use.[1]

The following dwelling units are classified as Accessory Dwelling Units:

The following are businesses classified as "adult use" establishments:

A dwelling unit that is affordable to and occupied by a low or moderate income household and meets the requirements for inclusion on the Massachusetts Department of Housing and Community Development (DHCD) Chapter 40B Subsidized Housing Inventory. Affordable units shall remain as affordable units in perpetuity or for the maximum period allowed by law. Such units shall have the same construction methods and exterior physical characteristics as, and be intermingled with, other units in the development.

A contract, mortgage agreement, deed restriction or other legal instrument, acceptable in form and substance to the Town, that effectively restricts occupancy of an affordable housing unit to a qualified purchaser or renter, and which provides for administration, monitoring, and enforcement of the restriction during the term of affordability. An affordable housing restriction shall run with the land in perpetuity or for the maximum period allowed by law, and be entered into and enforceable under the provisions of G.L. c. 184, §§ 31-33, or other equivalent state law.

An account established and operated by the Town for the exclusive purpose of creating, preserving, or rehabilitating affordable housing units in the Town of Littleton.

Signs associated with an agricultural use as referenced in Section 3 of M.G.L., Ch. 40A, offering for sale, produce and other farm products, with the sign identifying the farm and indicating only the name and price of the farm products which are for sale during the season that the sign is displayed.

As defined or amended by State statute or regulations, cartridges or cartridge cases, primers (igniters), bullets, tear gas cartridges, or propellant powder designed for use in any Firearm. For the purposes of this definition, "Firearm" is to have the meaning prescribed in this Bylaw, and shall include, but not be limited to: firearms (as that term is defined in MGL c. 140, § 121), rifles or shotguns.

An assisted living residence is a long-term senior residential facility that provides personal care support services such as meals, medication management, bathing, dressing, and transportation, principally for people age 55 years and over, and certified by the Massachusetts Office of Elder Affairs.

The vertical distance from the mean finish grade of the ground adjoining the building to the highest point of the roof (or parapet) for flat or shed roofs, to the deckline for mansard roofs and to the mean height between eaves and ridge for gable, hip and gambrel roof. Not included are spires, cupolas, television antennas or other parts of structures which do not enclose potentially habitable floor space.

Premises used for travel trailers, campers, tents or temporary overnight facilities of any kind where a fee is charged.

Facilities for a continuing supervised recreational, health, educational, religious and/or athletic program, with persons enrolled for periods of not less than one week and with group dining if overnight accommodations are included.

See "marijuana."

Premises principally used for the generation of electric power, other than by a municipal or other public utility.

A solar photovoltaic system that is mounted on the ground, roof, or structure; and generates electric power onto the Littleton Electric Light Department's (LELD) distribution system for sale to LELD or others.

A development plan, building plans, impact analyses and other materials as required herein, subject to approval by two-thirds vote of the Town Meeting.

Premises principally used for business or professional conferences, seminars or training, with less than on-third of the floor area on the premises devoted to room rental for transient trade. (If the percentage is larger, the use is considered a hotel or motel.)

A Senior Residential Development that provides a continuum of senior housing and care services principally for people age 55 years and over, operated or sponsored as a coordinated unit by a corporation or organization, having among its principal purposes the provision of housing and associated services for senior citizens. A CCRC shall include a variety of housing types and may also include semi-institutional facilities such as skilled nursing care or a rehabilitation facility.

A detached one-family dwelling that does not exceed 1,800 square feet of livable floor area (meaning the heated floor area of the building above finished grade, excluding non-dwelling areas such as attic space or a garage).

A Marijuana Cultivator comprised of residents of the Commonwealth and organized as a limited-liability company, limited-liability partnership, or cooperative corporation under the laws of the Commonwealth, and which is licensed to cultivate, obtain, manufacture, process, package and brand cannabis or marijuana products to transport marijuana to Marijuana Establishments, but not to consumers.

Premises principally used for the storing or processing of information by computer.

A building or part of a building used exclusively as the living quarters for one or more families.[2]

A building designed or intended or used as the residence of three or more families, each occupying a separate dwelling unit and living independently of each other, and who may have a common right in halls and stairways; with the number of families in residence not exceeding the number of dwelling units provided.

A dwelling other than a mobile home, singly and apart from any other building, used exclusively for residential purposes for one family except as permitted pursuant to Article XIII, Accessory Dwelling Units.

A dwelling other than a mobile home, singly and apart from any other building, designed or intended or used exclusively as the residence of one family.

A residential building of at least three but not more than eight single-family dwelling units sharing at least one common or party or fire wall, and with each building having at least one floor at ground level with a separate entrance.

A detached residential building designed or intended or used exclusively as the residence of two families. A two-family dwelling shall not include a detached single-family dwelling with an accessory apartment.

Golf courses laid out substantially in accordance with the usual requirements or specifications of the United States Golf Association, ski areas and other recreational uses of similar nature which primarily use and preserve open space, together with clubhouses and appurtenant facilities, whether or not operated for profit. Such appurtenant facilities may include provisions for recreational activities not directly connected with the use of open space, provided that in no event shall structures occupy more than 5% of the lot area.

The surface area of a single side of a building, including glass and doors, but not including roof area.

Any number of individuals living and cooking together as a single housekeeping unit, plus no more than three boarders or lodgers.

Any device designed or modified to be used as a weapon capable of firing a projectile using an explosive charge as a propellant, including but not limited to: guns, pistols, shotguns, rifles.

Any device designed, modified or adapted to be inserted into or affixed onto any Firearm to enable, alter or improve the functioning or capabilities of the Firearm or to enable the wearing or carrying about one's person of a Firearm.

Any of the following uses:

A piece of fabric identifying a nation, state, city or Town, expressing a political statement, but not advertising sales, special events, or changes in the nature of an operation.

With respect to a person, shall mean an individual who is dependent upon another for assistance relative to at least one activity of daily living, such as bathing, dressing, eating, mobility or similar self-care tasks, who is dependent upon another for assistance relative to other instrumental activities of daily living, such as managing money, shopping, taking medication, house cleaning, laundry, or cooking, or who is providing child care or au pair services.

Multifamily buildings in a Senior Residential Development that are designed and intended for occupancy principally by people age 55 years and over, with units that provide a minimum level of basic services which shall include housekeeping, grounds maintenance, security, and common areas and common facilities for events and activities benefiting residents of the development.

An identifying symbol.

A secondary dwelling unit that is within or created as an addition to a primary single-family dwelling.

A dwelling in which rooms are rented as an accessory use to more than three and fewer than 10 unrelated individuals.

A continuous parcel of land, in single or joint ownership, with legally definable boundaries.

The horizontal area of the lot exclusive of any area in a street or recorded way open to public use. At least 90% of the lot area required for zoning compliance or 36,000 square feet, whichever is less, shall be land not under water nine months or more in a normal year and not wetland as defined by the Wetland Protection Act

The percentage of lot area covered by structures and roofs or by structures, roofs, and paving.

Household income that does not exceed 80% of the area median family income, adjusted for household size, for the metropolitan area that includes the Town of Littleton as determined by the United States Department of Housing and Urban Development (HUD).

Transformation of materials or components into new products, including fabrication, processing, finishing or packaging.

Marijuana as defined in MGL c. 94G, § 1, 935 CMR 500 et seq. and 105 CMR 725 et seq.

An entity licensed to deliver marijuana and Marijuana Products directly to Consumers from a Marijuana Retailer, or directly to qualified patients from an RMD, but is not authorized to sell marijuana or marijuana products directly to consumers, qualified patients or caregivers and is not authorized to wholesale, warehouse, process, repackage, or white label.

An entity licensed to cultivate, process and package marijuana, to transfer marijuana to Marijuana Establishments, but not to consumers.

A contract between a Marijuana Establishment and a Marijuana Delivery Licensee or Marijuana Establishment with a Delivery Endorsement to deliver marijuana or marijuana products from the Marijuana Establishment directly to consumers and as permitted, Marijuana Couriers to patients and caregivers, under the provisions of a Marijuana Delivery License.

An authorization granted to a licensed Marijuana Establishment to perform deliveries directly from the establishment to consumers.

Either a Marijuana Courier or a Marijuana Delivery Operator authorized to deliver marijuana and marijuana products directly to consumers and as permitted, Marijuana Couriers to patients and caregivers.

An entity licensed to purchase at wholesale and warehouse finished marijuana products acquired from a Marijuana Cultivator, Marijuana Product Manufacturer, Microbusiness or Craft Marijuana Cooperative, and white label, sell and deliver finished marijuana products, marijuana accessories and marijuana branded goods directly to consumers, but is not authorized to repackage marijuana or marijuana products or operate a storefront under this license.

A Marijuana Cultivator, Craft Marijuana Cooperative, Marijuana Product Manufacturer, Marijuana Retailer, Marijuana Testing Laboratory, Marijuana Research Facility, Marijuana Transporter, or any other type of licensed marijuana-related business, except a Medical Marijuana Treatment Center.

A board member, director, employee, executive, manager, or volunteer of a Marijuana Establishment, who is 21 years of age or older. Employee includes a consultant or contractor who provides on-site services to a Marijuana Establishment related to the cultivation, harvesting, preparation, packaging, storage, testing, or dispensing of marijuana.

Marijuana and Marijuana products that are not designated and restricted for use by, and for the benefit of, Qualifying Patients in the treatment of Debilitating Medical Conditions as defined in 105 CMR 725 et seq.

Means Marijuana that is designated and restricted for use by, and for the benefit of, Qualifying Patients in the treatment of Debilitating Medical Conditions as defined in 105 CMR 725 et seq.

Means Marijuana Infused Product as defined in 105 CMR 725 et seq.

A co-located Marijuana Establishment that can be either a Tier 1 Marijuana Cultivator or Product Manufacturer or both, in compliance with the Cannabis Control Commission's operating procedures for each license; provided, however, that a Micro-Business that is a Marijuana Product Manufacturer may purchase no more than 2,000 pounds of marijuana per year from other Marijuana Establishments.

An entity licensed to obtain, manufacture, process and package cannabis or marijuana products and to transfer these products to other Marijuana Establishments, but not to consumers.

An entity licensed to engage in research projects by the Commission.

An entity licensed to purchase and transport cannabis or marijuana product from Marijuana Establishments and to sell or otherwise transfer this product to Marijuana Establishments and to consumers.

Either an independent testing laboratory or a standard testing laboratory that is licensed by the Cannabis Control Commission to test cannabis or marijuana products in compliance with 935 CMR 500.

An entity that is licensed to purchase, obtain, and possess cannabis or marijuana product solely for the purpose of transporting, temporary storage, sale and distribution to Marijuana Establishments, but not to consumers. Marijuana Transporters may be an Existing Licensee Transporter or Third Party Transporter.

A not-for-profit entity registered under 105 CMR 725.100 that acquires, cultivates, possesses, processes (including development of related products such as edible MIPs, tinctures, aerosols, oils, or ointments), transfers, transports, sells, distributes, dispenses, or administers marijuana, products containing marijuana, related supplies, or educational materials to registered qualifying patients or their personal caregivers. Unless otherwise specified, RMD refers to the site(s) of dispensing, cultivation, and preparation of marijuana.

Premises with occupancy limited to doctor's offices, dentist's offices, and other medical professional offices, or a facility providing medical, surgical or dental services including urgent care to persons not accommodated overnight therein, whether or not owned or affiliated with a hospital.

A combination of residential and commercial uses, arranged vertically (in multiple stories of buildings), or horizontally (adjacent to one another in one or more buildings within a lot).

A movable or portable dwelling unit on a chassis, designed for connection to utilities when in use and designed without the necessity of a permanent foundation for year-round living.

Premises devoted to retail sale of fuel and lubricants and/or washing of motor vehicles and/or repair services.

A building used by the Town of Littleton for public education purposes.

Any institution or facility providing nursing care which is licensed under MGL c. 111, § 71.

A Low- or Moderate-Income Household that purchases or rents and occupies an Affordable Housing unit as its principal residence.

See also "medical marijuana treatment center."

Property access to a business or group of businesses in addition to the principle property access.

Industrial or commercial experimentation, design, nonroutine testing or construction of prototypes, but with any continuous production limited to pilot plant use of not more than 25% of the floor area on the premises.

A dwelling where care and supervision, either licensed, contracted or supervised by a federal or state agency, is provided to individuals who are handicapped, aged, disabled or undergoing rehabilitation. The term includes halfway houses but not nursing homes or foster homes.

The Select Board shall have all of the powers and duties granted to Boards of Selectmen by the Constitution and General Laws of the Commonwealth of Massachusetts, and such additional powers and duties as may be provided by any Special Act of the Legislature applicable to the Town of Littleton, by this Bylaw, by the General Bylaws, or by Town Meeting vote. The Select Board shall also oversee all matters affecting the interest and welfare of the Town and exercise the power and authority vested in the Town not specifically delegated by law to any other board or office.

An establishment consisting of a structure or group of structures containing separate storage spaces, possibly of varying sizes, leased or rented for dead storage as individual leases. Individual storage spaces shall be leased or rented to tenants who are to have access to said space for the purpose of storing or removing personal property. No individual storage space shall exceed 900 square feet of gross floor area.

A dwelling unit in Senior Residential Development, in which at least one member of the family is aged 55 or older, or disabled, and having a minimum livable floor area of 500 square feet and a maximum of 1,200 square feet (meaning the heated floor area of the building above finished grade, excluding non-dwelling areas such as attic space or a garage). .

An area open to the sky, located between a street or other property line and any structure or element thereof, other than a fence, wall, other customary yard accessory or projection allowed to encroach on building lines by the State Building Code, measured perpendicular to the street or property line.

Any device displaying, or any display of, any letter, work, picture, symbol or object designed to inform or attract the attention of persons not on the premises on which such device or display is located, including billboards and any such internally or decoratively illuminated building surface other than unobstructed window glass.

The surface area within a single continuous perimeter enclosing all of the display area, but not including structural members not bearing advertising matter, unless internally or decoratively lighted. One side only of flat, back-to-back signs shall be counted.

A Small Wireless Facility is a facility as defined in 47 CFR 1.6002(l), as such may be amended from time to time.

A combination of materials assembled at a fixed location to give support or shelter, such as a building, retaining wall which retains four or more feet of unbalanced fill, fences over six feet high, swimming pools that contain water over 24 inches in depth and 250 square feet of surface area or the like. The word "Structure" shall be construed, where the context requires, as though followed by the words "or parts thereof."

Any sign displayed for up to a maximum of 30 days.

All liquid hydrocarbon products, including but not limited to gasoline, fuel and diesel oil, and also any other toxic, caustic or corrosive chemicals, radioactive materials or other substance controlled as being toxic or hazardous by the Division of Hazardous Waste under the provisions of Chapter 21(c) of the General Laws.

Premises principally used for the parking, dispatching and maintenance of trucks and/or loading or unloading of cargo into vehicles, but with only incidental storage on the premises, and not including such activities if accessory to a principal use, such as a warehouse or processing operation.

Any use involving the sale or lease of new or used motor vehicles (which shall include without limitation all varieties of automobiles, motorcycles, mopeds, off road sporting vehicles, snowmobiles, jet skis and boats), parts or accessories, or the commercial display or storage of any motor vehicles.

Premises used primarily for indoor storage of goods and materials for later distribution or use but not for sale on the premises, with or without accessory truck terminal facilities.

Sale of commodities in quantity for resale or further processing, with only incidental retail sales, if any.

Signs painted or fastened to window glass and signs immediately inside window glass.

A wireless telecommunications facility shall include towers, antennae, panels, and appurtenant structures designed to facilitate the following types of services: cellular telephone service, personal communications service, and enhanced specialized radio service; provided, however, that a wireless telecommunications facility shall not include Small Wireless Facilities as defined herein.