A. 
Word usage. Words used in the present tense include the future; the singular number includes the plural, and the plural number includes the singular.
B. 
Definitions. As used in this chapter, the following terms shall have the meanings indicated:
ACCESSORY BUILDING
Includes every building, other than the principal building, devoted to an accessory use. It includes a swimming pool. It does not include any portion of the main or principal building which is devoted to an accessory use. If such a building or use is not located on the same lot as that of the building or use to which it is accessory, it is not an accessory building or use and must comply with the regulations applicable to a principal building or use.
ACCESSORY USE
Includes every use customarily incidental to the principal building or use and includes all of the uses specified as accessory elsewhere in this chapter. If such a use is not located on the same lot as that of the building or use to which it is accessory, it is not an accessory use and must comply with the regulations applicable to a principal building or use.
ALTERATION
As applied to any building or structure, means any change or rearrangement in the structural parts or exterior wall or framework of existing facilities, or any change in any window, door, partition or room size, or any change in the plumbing facilities or the installation of a central air-conditioning system, the installation of a fence or the installation of siding or veneer on the exterior portion of a building. It includes any enlargement, whether by extending any side, front or rear building line or by increasing any height or by moving from one location or position to another. It also includes the enclosure of a space previously open, such as the enclosure of an open porch or patio or the construction of a roof over it.
BASEMENT
That portion of a building which is partly below grade with less than half of its floor-to-ceiling height below the average of the adjoining ground.
[Added 3-22-2001 by L.L. No. 1-2001]
BUILDING
Any structure or combination of structures above or below the surface of the ground, except a fence five feet or less in height. It includes a part of a building or an extension of or addition to a building.
BUILDING AREA
The proportion of the horizontal areas of the principal building on a lot to the total lot area measured from the exterior surface of the foundation wall on the ground level, including attached and detached private garages and covered porches.
[Amended 2-16-2011 by L.L. No. 2-2011]
CEILING HEIGHT
The first floor ceiling height shall not exceed 12 feet measured from the top of the first floor deck to the underside of the second floor framing. This twelve-foot height limitation shall not apply to front-entrance foyers, vestibules, and one-story additions. The second floor ceiling height shall not exceed 10 feet measured from the top of the second floor deck to the top of the second floor wall plate.
[Added 2-16-2011 by L.L. No. 2-2011]
CELLAR
That portion of a building with half or more of its floor-to-ceiling height below the average level of the adjoining ground. A cellar shall not be used or occupied as living or sleeping quarters.
[Added 3-22-2001 by L.L. No. 1-2001]
CLUB
A nonprofit organization or operation, or one owned and operated by a membership corporation or an unincorporated association for social, musical, dramatic, literary, artistic, gardening, yachting, boating, hunting, shooting, fishing, bathing, golf, tennis, squash, racquets or other lawful sporting purposes, excepting and not including an athletic organisation, a political organisation, a day camp, a youth home, a club for boys or girls, a nursing or convalescent home, an organization for the improvement of the social, mental, moral or physical condition of children or of young men and women or an organization the chief activity of which is a service customarily carried on as a business.
CORNER LOT
A lot at the junction of and fronting on two or more intersecting streets, having an interior angle of less than 135° at their intersection. A lot abutting upon a curved street shall also be considered a corner lot if the tangents to the curve at the points of intersection of the side lot lines intersect at an interior angle of less than 135°.
[Amended 5-17-1989 by L.L. No. 12-1989]
DWELLING
A building or structure designed for and occupied exclusively as a home or residence for not more than one family.
[Amended 7-19-2018 by L.L. No. 2-2018]
FAMILY
A family shall constitute either:
[Amended 7-19-2018 by L.L. No. 2-2018]
(1) 
One or more persons related by blood, adoption or marriage living and cooking together as a single housekeeping unit, inclusive of household servants, shall constitute a family; or
(2) 
A number of persons, not exceeding two, living and cooking together as a single housekeeping unit though not related by blood, adoption or marriage shall constitute a family.
FIRST FLOOR ELEVATION LEVEL
The distance from the mean ground level to the top of the first floor platform framing of a building.
[Added 2-16-2011 by L.L. No. 2-2011]
FLOOR AREA
The sum of the gross areas of the several floors of the principal and all accessory buildings on a lot, measured from the exterior faces of exterior walls.
[Added 3-22-2001 by L.L. No. 1-2001; amended 10-21-2009 by L.L. No. 5-2009; 2-16-2011 by L.L. No. 2-2011]
(1) 
In particular, floor area shall include:
(a) 
Basement space, irrespective of its use.
(b) 
Floor space of each story above the basement and below the attic, irrespective of its use, and that portion of the area of any attic space, whether or not floor has been laid, with a minimum horizontal measurement of 6.5 feet that provides structural headroom of 6.5 feet or more.
(c) 
Floor space of interior balconies or lofts.
(d) 
Floor space of roofed terraces, exterior balconies or porches.
(e) 
Floor space (in the aggregate) of all uncovered balconies in excess of 150 square feet.
(f) 
Any portion of any floor area that exits to or is above grade. If an exit from a cellar is at grade level, then 50% of the floor space of that cellar shall be included.
(g) 
Private garages:
[Amended 12-18-2013 by L.L. No. 2-2013]
[1] 
Any area in excess of 400 square feet in an existing private garage;
[2] 
Any area in excess of 200 square feet in a private garage where there is a structural alteration, reconstruction or enlargement of an existing dwelling in excess of 40% of the floor area of such dwelling, as determined by the Building Inspector, or where there is the construction of a new dwelling.
(h) 
If the first floor ceiling height exceeds 10 feet, the floor area of that room shall be increased in direct proportion to the amount by which the ceiling height exceeds 10 feet. (Example: The square foot penalty for a base floor area of 2,500 square feet with a proposed eleven-foot ceiling on the first floor would be 250 square feet, calculated as follows: one foot/10 feet or 10% of 2,500 square feet for a total floor area of 2,750 square feet on the first floor.)
(i) 
Any area of a front-entrance foyer or vestibule which exceeds 12 feet in height shall be counted twice.
(j) 
If the second floor ceiling height exceeds nine feet, the floor area of that room shall be increased in direct proportion to the amount by which the ceiling area exceeds nine feet.
(k) 
If the ceiling height of a one-story addition exceeds 10 feet, the floor area of that room shall be increased in direct proportion to the amount by which the ceiling area exceeds 10 feet. (Example: The square foot penalty for a four-hundred-square-foot base floor area with a proposed fifteen-foot ceiling would be 200 square feet, calculated as follows: five feet/10 feet or 50% of 400 square feet for a total floor area of 600 square feet for that room.)
(l) 
Any space above the wall plate of a cathedral ceiling will be excluded from floor area calculations.
(2) 
The floor area of a building shall not include any space occupied by open exterior wooden decks or on grade masonry terraces.
FLOOR AREA RATIO IN A DWELLING
The ratio of the gross floor area of a building or dwelling in square feet to the lot area of the building site in square feet.
[Added 11-17-1993 by L.L. No. 5-1993]
FRONT BUILDING LINE
A line across the full width of the lot running parallel to the street line as nearly as may be and the nearest line of the principal building at a point nearest the street. It is not necessarily the front of the building nor does it necessarily contain the main entrance to the building.
FRONT YARD
A yard on the same lot as the principal building or use, situated between the front line of the lot and the front building line.[1]
HEIGHT OF A BUILDING
The vertical distance from the mean ground level to the ridge of a roof structure. For multiple dwellings and commercial buildings, refer to height exceptions in § 151-18.
[Amended 2-16-2011 by L.L. No. 2-2011]
LOT
A parcel of land, vacant or improved, which is occupied or designed to be occupied by one main building or use and the accessory buildings or uses customarily incident to it, including such open spaces as are arranged or designed to be used in connection with such building or use. It includes the word "plot." A lot may or may not be the land shown as a separate parcel on a duly filed map, Tax Map or developer's diagram. All adjoining parcels of property now or hereafter held in common ownership, regardless of the nature of the constituent parcels or the date, source or manner of acquisition or the use to which they may be devoted, shall be deemed merged into a single lot and shall be subject to the provisions of this chapter to the same effect as if they had constituted a single lot at the date this chapter was adopted.
MEAN GROUND LEVEL
The average elevation of natural grade level prior to any excavation or any fill being placed on the ground as determined by a licensed New York State land surveyor. The mean ground level shall be calculated based on an average of the elevations at each building corner; at each vertex where there is a change in plane; and at three equal intermediate points for building planes which are 20 feet or more. The mean ground level shall be measured along the entire foundation of a building.
[Added 2-16-2011 by L.L. No. 2-2011]
MEAN STREET CURB LEVEL
The average elevation of the street pavement alongside the face of a curb as determined by a licensed New York State land surveyor.
[Added 2-16-2011 by L.L. No. 2-2011]
MULTIPLE DWELLING
A dwelling which is occupied as the abode, residence or home of three or more families living independently of each other.
PORCH
A roofed open structure projecting from the outside wall of a building without a window sash, glazing panels, or any other form of enclosure.
[Added 2-16-2011 by L.L. No. 2-2011]
PRIVATE GARAGE
A building used for the storage of one or more automobiles owned and used by the owner or tenant of the lot on which it is erected, for a purpose accessory to the use of the lot.
REAR BUILDING LINE
A line across the full width of a lot running parallel to the rear line of the lot as nearly as may be and the nearest line of the principal building at a point nearest the rear line of the lot. In the case of a lot which adjoins two or more streets which do not intersect, there is ordinarily no rear building line.
REAR YARD
A yard on the same lot as the principal building or use, situated between the rear line of the lot and the rear building line.
REQUIRED YARD
The portion of the yard lying within the minimum limits provided by this chapter for the district in which the lot is situated.
SCHOOL
An institution of learning chartered by the State Board of Regents or operated by a school district existing under the Education Law of the State of New York. It does not include a nursery school, a day camp, a summer camp or recreational or athletic institution, organization, conservatory group or center, whether operated or managed by one or more persons, of which the principal object or one of the principal objects is physical education, teaching of dancing, singing, dramatics, music, playing of musical instruments, calisthenics, typewriting, stenography, dressmaking, designing or millinery or the giving of instruction in beauty parlor operation, business courses or instruction of a similar nature.
SIDE BUILDING LINE
A line running from the front building line to the rear building line (or in case there is no rear building line, running from one front building line to the other front building line) on each side of the lot, passing along the nearest line of the principal building at a point nearest the side line of the lot.
SIDE YARD
A yard on the same lot as the principal building, situated between the side line of the lot and the side building line and bounded by the front and rear building lines.
STORY
The part of a building between the finished first floor elevation and the finished second floor elevation or between the finished second floor elevation and the top of the ceiling joist or spring line of a cathedral ceiling.
[Amended 5-19-2004 by L.L. No. 4-2004; 2-16-2011 by L.L. No. 2-2011]
STREET
Includes a public or private road, avenue, lane, alley or parking place and any private driveway used by or giving access to more than two lots.
STREET LINE
The dividing line between a lot and the side line of a street. Where the lot adjoins a public street, it is ordinarily the property line. It is not the curbline unless the curb runs along the property line.
TERRACE
An open porch without a permanent roof.
[Added 2-16-2011 by L.L. No. 2-2011]
USE
Includes both the purpose to which a building or lot is or may be devoted, whether or not actually so devoted, and the building or lot itself.
WALL OF A BUILDING
The exterior bearing wall or structure supporting any part of the building extending more than two feet above or more than three feet below the ground level. An exterior chimney is deemed part of a wall whether or not it supports any other part of the building or structure.
WALL PLATE
The horizontal framing member of wood frame wall construction.
[Added 2-16-2011 by L.L. No. 2-2011]
YARD
An open, unoccupied space on the same lot as the principal building or use, which is and must be open and unobstructed from the ground to the sky, except for trees, shrubbery, telephone or electric light wires and poles, hedges, retaining walls and fences five feet or less in height.
[1]
Editor's Note: The former definitions of "gross floor area," added 11-17-1993 by L.L. No. 5-1993, as amended 5-19-2004 by L.L. No. 4-2004, and "ground level," which immediately followed this definition were repealed 2-16-2011 by L.L. No. 2-2011.