§ 23-422. Dimensional requirements for use of land.


Effective on Tuesday, July 7, 2015
  • The dimensional requirements for the use of land in the various zoning districts shall be as set forth in Tables 23-422A and 23-422B. Dimensional requirements for accessory structures are set forth in Article V. No lot shall be reduced in size or altered in dimensions so as to create a non-conformity in terms of lot area, building setbacks, or other dimensional requirements of this chapter.

    Waiver of front yard requirements. On lots in subdivisions where the front yard requirements have been waived pursuant to subsection 23-522(b), accessory structures will be allowed in the functional rear yard per the requirements of that section.

    Waivers in Planned Development Projects (PDPs). Deviation from the dimensional requirements of this section may be granted through the Planned Development Project (PDP) process pursuant to section 23-224. Residential density shall be in compliance with the classification of the property as established on the Future Land Use Map and the Future Land Use Element of the Comprehensive Plan.

    TABLE 23-422A
    DIMENSIONAL AND AREA STANDARDS—RESIDENTIAL DISTRICTS

    Zoning Dwelling Type Minimum Lot Size (sq. feet)9 Minimum Street Frontage (feet)1 Minimum Lot Width at building line (feet) Minimum Floor Area (sq feet)2 Minimum Setbacks*
    Principal Buildings
    (feet)
    Maximum Lot Coverage8 (percent) Maximum
    Building
    Height
                Front3 Side4 Rear5   feet stories
    R-1A Single-
    family
    12,000 50 85 1,500 30 10 20 40 35
    R-1B Single-
    family
    9,000 50 75 1,500 30 10 20 40 35
    R-1C Single-
    family
    8,000 50 65 1,200 25 10 15 40 35
    R-1D Single-
    family
    6,000 50 60 1,000 25 7.5 15 40 35
    R-2 Single-
    family
    8,000 50 75 1,000 25 10 20 40 35
    R-2 Two-family 12,000 50 85 950 25 10 20 40 35
    R-3 Single-
    family
    7,500 50 75 1,000 25 10 15 40 35
    R-3 Two-family 8,500 50 75 950 25 10 15 40 457 37
    R-3 Multi-family (3 or more units) 12,0006 50 100 650 30 10 20 50 457 37

     

     

    * The building setback shall be measured from the roof's vertical support member located nearest to the property line from which the setback is required. The roof overhang or other projection shall not extend beyond the vertical support member more than twenty-four (24) inches into the required setback.

    1 On any lot approved with reduced frontage, the lot width between the front lot line (street frontage) and the building line shall not be less than 25 feet at any point. In new single-family subdivisions, up to 10% of the lots may be approved with reduced street frontage, provided that no frontage is less than 30 feet in width. One single-family house may be constructed on a panhandle lot with reduced street frontage, provided that, excluding any portion of the lot less than 50-feet in width, the lot meets the minimum required lot area and other dimensional requirements for a single-family house in the zoning district, and provided the lot has a minimum of 25 feet of frontage.

    2 Minimum floor area of a dwelling unit is the living floor area excluding carports, garages, breezeways, and unenclosed porches or terraces. For single-family houses on infill lots, the administrative official may allow a reduction in the floor area to eighty (80) percent of the area required in the district upon demonstration that the reduced size is consistent with that of existing houses in the neighborhood.

    3 The minimum front setback shall be as designated or one-half (½) the width of the required right-of-way for the street on which the lot fronts, whichever is larger. For infill lots, the administrative official may grant a waiver allowing a reduction of the front yard setback requirement, provided the reduction is compatible with the building setbacks in the immediate vicinity.

    4 All single-family construction on existing lots less than 51 ft in width and more than 25 ft in width shall have a minimum side setback of 5 ft.

    5 See article V for location requirements for accessory structures. Generally, accessory buildings are permitted only in rear yards at least 5 ft from any lot line.

    6 12,000 sq. ft. is required for the first 3 units and 3,000 sq. ft. is required for each additional dwelling unit.

    7 No building shall exceed 3 stories or 45 ft in height unless 1 foot shall be added to the required front and side setbacks for each foot of building height in excess of 45 ft.

    8 Parking areas in the front yard of a single-family or two-family residential property shall not eliminate more than 50% of the area available for grass or other landscaping.

    9 The area encompassing wetlands and/or open water shall not be included in the calculation for compliance with the minimum lot size requirement.

    Notes:

    Dimensional requirements for the R-3 district apply for residential structures in non-residential districts.

    See article V for dimensional requirements for accessory structures.

    See also "provisions for flood hazard reduction" in article VI, div. 1.

    (Ord. No. 2007-02, §§ 13, 14, 3-6-07; Ord. No. 2007-33, § 4, 9-4-07; Ord. No. 2008-04, §§ 10—12, 2-19-08; Ord. No. 2008-45, § 23, 12-16-08)

    TABLE 23-422B
    DIMENSIONAL AND AREA STANDARDS—NONRESIDENTIAL DISTRICTS*

    Zoning District PF C-1 C-2 C-2R C-3 C-4 C-5 LCI BP I-1 I-2 CN R
    Minimum Principal Building Setbacks (feet)†
    Front1 30 02 35 35 35 35 35 35 35 35 35 35 35
    Side - not adjacent to residential district 10 0 10 10 20 10 PDP3 20 20 20 10 10 10
    Side or rear - adjacent to residential district4 355 355 355 355 35 35 PDP3 355 35 35 355 35 35
    Rear - not adjacent to a residential district4 255 0 255 255 25 25 PDP3 255 25 25 255 35 35
    Maximum Building Height 456 457 356 357 356 35 PDP3 356 356 456 357 35 35
    Maximum Lot Coverage
    Maximum Building Coverage 35% 100% 50% 50% 50% 35% PDP3 50% 50% 50% 50% 5% 35%
    Maximum impervious surface 65% 100% 75% 75% 75% 75% PDP3 75% 65% 75% 75% 10% 50%

     

     

    * Deviation from dimensional requirements may be allowed through a Planned Development Project approval. See section 23-224

    † The building setback shall be measured from the roof's vertical support member located nearest to the property line from which the setback is required. The roof overhang or other projection shall not extend beyond the vertical support member more than twenty-four (24) inches into the required setback.

    1 The minimum front setback shall be as designated or one-half (½) the width of the required right-of-way for the street on which the lot fronts, whichever is larger. For infill lots, the administrative official may grant a waiver allowing a reduction of the front yard setback requirement, provided the reduction is compatible with building setbacks in the immediate vicinity.

    2 A front setback of more than five feet in a C-1 district requires a special permit from the Planning Board. In deciding upon the permit, the Planning Board shall consider the consistency of the proposed setback with other buildings within the district and on adjacent properties.

    3 Setbacks in the C-5 districts shall be as approved for the planned development project. (See section 23-224.) In a C-5 district developed without a planned development project, the building setbacks shall be as for the C-2 district.

    4 A five-foot landscaped buffer meeting the requirements of section 23-307 must be provided along any rear or side property line adjacent to a residential district.

    5 The Planning Board may allow lesser side and rear setbacks adjacent to a residential district to enable redevelopment or infill. However, a solid buffer shall be provided.

    6 The maximum building height may be increased provided one additional foot is added to each of the required setbacks for each foot of building height in excess of the maximum specified.

    7 The Planning Board may allow a building to exceed the maximum building height in a C-1, C-2R, or I-2 district following a public hearing and a finding that the proposed height and architecture of the building are compatible with other buildings in the district and on properties in the area.

    Notes:

    Dimensional requirements for the R-3 district apply for residential structures in non-residential districts. See Table 23-422A.

    Dimensional requirements for accessory structures are set forth in article V.

(Ord. No. 2005-47, § 2, 10-18-05; Ord. No. 2007-02, §§ 15, 16, 3-6-07; Ord. No. 2007-33, § 5, 9-4-07; Ord. No. 2008-45, §§ 17, 18, 12-16-08; Ord. No. 2015-04, § 11, 7-7-15)