§ 156.039 R-2, ONE AND TWO FAMILY DWELLING DISTRICT.
   (A)   Purpose. This district is intended to establish an area low density residential development allowing one- and two-family dwellings.
   (B)   Special requirements.
      (1)   Conversion of any use to other than a permitted or approved conditional use is prohibited.
      (2)   All two-family dwellings which share a common vertical wall and whose lot size and front footage render them capable of being converted to a twin home shall conform to the twin home building code requirements.
   (C)   Permitted uses. The following are permitted uses:
      (1)   Single family detached dwellings.
      (2)   Two family dwellings.
      (3)   Fences.
      (4)   Non-commercial gardening.
      (5)   Landscaping.
      (6)   Driveways.
      (7)   Churches, provided that no building shall be located within 50 feet of any abutting lot line in any of the classes of residential districts.
      (8)   Public buildings and uses of the following kind: elementary and secondary schools, parks, playgrounds, libraries, museums, community centers and recreation centers, or private schools having a curriculum equivalent to a public elementary school or public high school.
      (9)    Home occupations. See § 156.035(BB).
   (D)   Conditional uses. The following uses may be permitted:
      (1)   Cemetery
      (2)   Government, public utility and public service uses.
   (E)   Accessory uses. The following are permitted uses:
      (1)   Private garage.
      (2)    In-ground private swimming pool serving a single-family residence when completely enclosed with a fence at least 6 feet in height or an automatic pool cover installed over the entire pool surface which meets ASTM F 1346 standards.
      (3)   Aboveground swimming pool.
      (4)   Driveways.
      (5)   Off-street parking.
      (6)   Utility buildings.
      (7)   Solar energy systems.
      (8)   Satellite reception equipment.
      (9)   Accessory uses customarily incidental to and on the same lot as the principal use as regulated by this chapter.
   (F)   Lot area.
      (1)   Lot area (detached). Every single family detached dwelling erected shall require a lot area of not less than 7,500 square feet.
      (2)   Lot area (attached). Every single family attached dwelling erected shall require a lot area of not less than 10,500 square feet.
      (3)   Lot area (two-family/duplex). Every two family dwelling erected shall require a lot area of not less than 8,750 square feet.
      (4)   Planned unit developments shall require at least 10 acres.
   (G)   Lot width and depth.
      (1)   Lot width (detached). Every lot upon which there is erected a single family detached dwelling shall require a minimum width of 75 feet at the building setback line.
      (2)   Lot width (attached). Every lot upon which there is erected a single family attached dwelling consisting of two dwelling units shall require a minimum width of 80 feet at the building setback line; each additional dwelling unit attached thereafter shall require a minimum additional width of 18 feet per unit at the building setback line.
      (3)   Lot width (two family). Every lot upon which there is erected a two family dwelling shall require a minimum width of 80 feet at the building setback line.
      (4)   Lot depth. Every lot or plot upon which there is erected a single family dwelling, whether attached or detached, a two family dwelling, or a multiple family dwelling shall require a minimum depth of not less than 100 feet.
   (H)   Yard regulations.
      (1)   Front yard. For all uses allowed there shall be a front yard of not less than 30 feet. Where a lot is located at the intersection of two or more streets there shall be a front yard on each street side.
      (2)   Side yard. For all uses allowed there shall be a side yard of not less than 10 feet.
      (3)   Rear yard. For all uses allowed there shall be a rear yard of not less than 25 feet.
      (4)   Transitional yards. There are no requirements.
   (I)   Ground coverage. Not more than 40% of a lot or plot shall be covered by all main and accessory buildings.
   (J)   Height regulations. No structure hereafter erected or altered shall exceed two and one-half stories or 30 feet in height. Accessory uses shall not exceed 1-1/2 stories in height or 22 feet.
   (K)   Zero lot line dwellings.
      (1)   Twin homes shall be subject to the following regulations:
         (a)   The required lot area for each dwelling in a twin home shall be at a minimum one-half of the minimum lot area for 2 single family attached dwellings in the relevant zoning district;
         (b)   Every lot or plot upon which there is erected a dwelling as part of a twin home shall have a minimum width of 40 feet at the building setback line and a minimum depth of 100 feet;
         (c)   Each dwelling in a twin home shall have a front yard of not less than 30 feet, a rear yard of not less than 25 feet, and a side yard of not less than 10 feet. Where a dwelling is located on a lot which is on the intersection of 2 or more streets, there shall be a yard of not less than 30 feet on each street side and a yard of not less than 25 feet on the remaining side;
         (d)   Dwellings in a twin home shall be governed by the height and ground coverage regulations for single family attached dwellings in the relevant zoning district.
      (2)   All other zero lot line dwellings shall be subject to the following regulations:
         (a)   Zero lot line dwellings may be erected in such a manner that 2 single family dwellings share a common wall located on the common rear lot line;
         (b)   The zero lot line dwellings described in subsection (1) shall be permitted uses within R-2, R-3 and R-4 zoning districts. The zoning standards shall be proportionate to the minimum standards for single family attached dwellings in the relevant zoning district.
      (3)   Deed restrictions shall be recorded with the property requiring that the structure and yard areas shall have a uniform exterior appearance in terms of color, design and maintenance. These restrictions shall be in the form of a homeowners association or a homeowners agreement.
(1975 Code, § 11.09) (Am. Ord. 29-82, passed 12-6-1982; Am. Ord. 54, passed 12-17-1984; Am. Ord. 239, passed 5-17-2004; Am. Ord. 8, 4th Series , passed 1-16-2007 ; Am. Ord. 105, 4th Series, passed 8-20-2018)