A use or detached structure subordinate to the principal use of a structure, land or water and located on the same lot or parcel, serving a purpose customarily incidental to the principal use or the principal structure.

A special public right-of-way affording only secondary access to abutting properties.

A portion of a residential or commercial building used as a separate housing unit.

See "dwelling, multifamily."[1]

A public street or highway used or intended to be used primarily for fast or heavy through traffic. Arterial streets and highways shall include freeways and expressways, as well as arterial streets, highways and parkways.

That portion of any structure located partly below the average adjoining lot grade.

A building, other than a hotel or restaurant, where meals or lodging is regularly furnished by prearrangement for compensation for four or more persons not members of a family, but not exceeding 12 persons and not open to transient customers.

Any structure having a roof supported by columns or walls used, or intended to be used, for the shelter or enclosure of persons, animals, equipment, machinery or materials.

Any change or rearrangement of the supporting members, such as bearing walls, beams, columns or girders, of a building, an addition to a building, or movement of a building from one location to another.

The total living area bounded by the exterior walls of a building at the floor levels, but not including basements, utility rooms, garages, porches, breezeways and unfinished attics.

The vertical distance measured from the mean elevation of the finished lot grade along the street yard face of the structure to the highest point of flat roofs; to the mean height level between the eaves and ridges of gable, gambrel, hip and pitch roofs; or to the deckline of mansard roofs.

A geographic line along a reach of a navigable stream that has been adopted by a municipal ordinance and approved by the Department of Natural Resources pursuant to Ch. 30, Wis. Stats., and which allows complete filling on the landward side, except where floodway regulations of this chapter would prohibit such filling.

See "garage, private."[2]

Use of a special nature as to make impractical its predetermination as a principal use in a district.

Any lawful use of a building or lot which complies with the provisions of this chapter.

A lot abutting two or more streets at their intersection, provided that the corner of such intersection shall have an angle of 135° or less, measured on the lot side.

A detached building designed or used exclusively as a residence or sleeping place, but does not include boardinghouses or lodging houses, motels, hotels, tents, cabins or mobile homes.

A building or portion thereof used or designated as a residence for three or more families as separate housekeeping units, including apartments, attached townhouses and condominiums.[3]

A detached building designed, arranged or used for and occupied exclusively by one family, and shall include a manufactured home.[4]

A building designed, arranged or used for or occupied exclusively by two families living independently of each other.

A building or portion thereof used exclusively for human habitation, including single-family, two-family and multifamily dwellings, but not including hotels, motels or lodging houses.

Services provided by public and private utilities, necessary for the exercise of the principal use or service of the principal structure. These services include underground, surface or overhead gas, electrical, steam, water, sanitary sewage, stormwater drainage and communications systems, and accessories thereto such as poles, towers, wires, mains, drains, vaults, culverts, laterals, sewers, pipes, catch basins, water storage tanks, conduits, cables, fire alarm boxes, police call boxes, traffic signals, pumps, lift stations and hydrants, but not including buildings.

One person or two or more persons, related by blood, foster relationship, marriage or adoption, and, in addition, any domestic servants or gratuitous guests thereof; or one or more persons who need not be so related, and, in addition, domestic servants or gratuitous guests thereof, who are living together in a single, nonprofit dwelling unit and maintaining a common household with single cooking facilities. A roomer, boarder or lodger shall not be considered a member of the family.[5]

Land consisting of 10 acres or more on which produce, crops, livestock or flowers are grown primarily for off-premises consumption, use or sale.

The floor area of a building is the sum of the gross horizontal area of the several floors of the building measured from the exterior face of the exterior walls, or from the center line of the walls separating the building, but not including the basement, utility rooms, garages, porches, breezeways and unfinished attics.

The smallest dimension of a lot abutting a public street, measured along the street line.

A building used primarily for private vehicle storage.

Any garage other than a private garage which is open to the public and used for the storage or repair of motor vehicles.

Any occupation for gain or support conducted entirely within buildings by resident occupants which is customarily incidental to the principal use of the premises, does not exceed 20% of the area of any floor, uses only household equipment, and no stock-in-trade is kept or sold except that made on the premises. A home occupation includes uses such as baby-sitting, millinery, dressmaking, canning, laundering and crafts, but does not include the display of any goods nor such occupations as barbering, beauty shops, dance schools, gift stores, real estate brokerage or photographic studios. Door-to-door sales persons may temporarily store stock-in-trade on the premises, provided that no stock-in-trade is displayed or sold on the premises and no customer pickups are made.[6]

A building in which lodging, with or without meals, is offered to transient guests for compensation and in which there are more than five sleeping rooms with no cooking facilities in any individual room or suite.

An open space where waste, used or secondhand materials are bought, sold, exchanged, stored, baled, packed, disassembled or handled, including, but not limited to, scrap iron and other metals, paper, rags, rubber, tires and bottles. A junkyard also includes an auto wrecking yard, but does not include uses established entirely within enclosed buildings.

All rooms within a dwelling, except closets, foyers, storage areas, utility rooms and bathrooms.

A completely off-street space or berth on the same lot for the loading or unloading of freight carriers, having adequate ingress and egress to a public street or alley.

A parcel of land having frontage on a public street, occupied or intended to be occupied by a principal structure or use and sufficient in size to meet the lot width, lot frontage, lot area, yard and parking areas, and other open space provisions of this chapter.

The peripheral boundaries of a parcel of land and the total area lying within such boundaries.

The horizontal distance between the side lot lines.

Shops where lathes, presses, grinders, shapers and other wood- and metalworking machines are used, such as blacksmith, tinsmith, welding and sheet metal shops and plumbing, heating and electrical repair and overhaul shops.

A structure certified and labeled as a manufactured home under 42 U.S.C. §§ 5401 to 5426, which, when placed on a site:

Mobile units or modified mobile units, including units with or without wheels or means of mobility, designed to be transported to a site and designed for permanent living, sleeping or commercial purposes.

Any lot on which two or more mobile homes are parked for the purpose of temporary or permanent habitation.

Any structure, land or water lawfully used, occupied or erected at the time of the effective date of this chapter or amendments thereto which does not conform to the regulations of this chapter or amendments thereto. Any such structure conforming in respect to use but not in respect to frontage, width, height, area, yard, parking, loading or distance requirements shall be considered a nonconforming structure and not a nonconforming use.[7]

A structure or premises containing 10 or more parking spaces open to the public.

A graded and surfaced area not less than nine feet wide and 20 feet long, either enclosed or open, for the parking of a motor vehicle and having adequate ingress and egress to a public street or alley.

Includes all abutting property owners, all property owners within 100 feet and all property owners of opposite frontage.

A use which may be lawfully established in a particular district or districts, provided that it conforms to all requirements, regulations and standards of such district.

A group of three or more principal buildings designed to be maintained and operated as a unit in single ownership or control and which has certain facilities in common such as yards and open spaces, recreation areas, garages and parking areas.

Residences of doctors of medicine, practitioners, dentists, clergymen, architects, landscape architects, professional engineers, registered land surveyors, lawyers, artists, teachers, authors, musicians or other recognized professions used to conduct their professions, where the office does not exceed 1/2 of the area of only one floor of the residence and only one nonresident person is employed.

A yard extending across the full width of the lot, the depth of which shall be the minimum horizontal distance between the rear lot line and a line parallel thereto through the nearest point of the principal structure. This yard shall be opposite the street yard or one of the street yards on a corner lot.

The minimum horizontal distance between the street right-of-way line or rear lot line and the nearest point of a building or any projection thereof, excluding uncovered steps.

A yard extending from the street yard to the rear yard of the lot, the width of which shall be the minimum horizontal distance between the side lot line and a line parallel thereto through the nearest point of the principal structure.

Any words, letters, figures, numerals, phrases, sentences, emblems, devices, designs, trade names or trademarks by which anything is made known and which are used to advertise or promote an individual, firm, association, corporation, profession, business, commodity or product and which are visible from any public street or highway.

That portion of a building included between the surface of a floor and the surface of the floor next above it or the space between the floor and the ceiling next above it, if there be no floor above it. A basement or cellar having 1/2 or more of its height above grade is a story for purposes of height regulations.[8]

A public right-of-way not less than 50 feet wide providing primary access to abutting properties.

A yard extending across the full width of the lot, the depth of which shall be the minimum horizontal distance between the existing or proposed street or highway line and a line parallel thereto through the nearest point of the principal structure. Corner lots shall have two such yards.

Any change in the supporting members of a structure such as foundations, bearing walls, columns, beams or girders.

Any erection or construction such as buildings, towers, masts, poles, booms, signs, decorations, carports, machinery and equipment.

Public and private facilities such as water wells, sewage pumping stations, power and communications transmission lines, electrical power substations, static transformer stations, telephone and telegraph exchanges, microwave radio relays and gas regulation stations, but not including sewage disposal plants, municipal incinerators, warehouses, shops and storage yards.

An open space on the same lot with a structure, unoccupied and unobstructed from the ground upward, except for vegetation. The street and rear yards extend the full width of the lot.