§ 155.198 DIMENSIONAL STANDARDS.
   The following dimensional standards are the minimum requirements for all development in the R-2.5 District except for modifications permitted under §§ 155.530 through 155.533 or §§ 155.610 through 155.614 of this chapter.
   (A)   Density.
      (1)   The density of new townhouse, multifamily and cottage cluster developments within the R-2.5 Zoning District shall be between 15.3 and 21.8 dwelling units per net acre, with a target density of 17.4 dwelling units per net acre.
      (2)   The density of duplexes and triplexes shall be based on the minimum required lot size of 3,000 square feet.
      (3)   Density bonus. Residential developments that include a minimum of 20% affordable dwelling units may increase the maximum density of the development by 20%. Affordable units are housing units that are reserved for households with a maximum household income of 80% of a city’s mean household income. The affordable units must be reserved as affordable units for a minimum of 25 years.
      (4)   Mixed density. If a residential development includes more than one housing type, the maximum density of each housing type shall be calculated separately, in compliance with divisions (A)(1) through (A)(3) above.
   (B)   Lot/parcel size.
      (1)   New lots created by plat shall have a maximum lot size of 4,000 square feet per dwelling unit.
      (2)   Existing single-family dwelling shall have a 4,000 square feet minimum per lot.
      (3)   Townhouse dwellings: 2,000 square feet minimum per dwelling unit.
      (4)   Duplex dwellings and triplex dwellings: 3,000 square feet minimum per lot.
      (5)   Multi-family dwellings (greater than three units) and cottage cluster projects: 2,000 square feet minimum per dwelling unit.
      (6)   All other uses 4,000 square feet minimum.
   (C)   Lot/parcel depth and width. No minimum lot width or depth.
   (D)   Setback requirements. Principle structures, accessory dwellings and accessory structures with a floor area greater than 200 square feet shall maintain the following minimum yard setbacks.
      (1)   Front yard.
         (a)   For all structures: ten feet; and
         (b)   Garage: 20 feet.
         (c)   Garages, carports and accessory structures shall be accessed from the rear of the building via an alley where appropriate and feasible. If front access garages are proposed, the applicant must provide justification as to why rear access garages are not appropriate or feasible.
         (d)   A porch, garage, carport, accessory dwelling or accessory structure shall not exceed the front building elevation of the principle structure by more than six feet.
      (2)   Rear yard.
         (a)   Street-access lots: ten feet;
         (b)   Alley-access lots: two feet; and
         (c)   Accessory structures and accessory dwellings: five feet.
      (3)   Side yard.
         (a)   Side yards should be established to create separation between structures and meet fire codes and provide space for pervious surface area;
         (b)   All multi-family structures shall be set back 20 feet from the property line of an abutting single-family residential lot or use unless approved otherwise by the Planning Commission.
         (c)   Adjacent to street: ten feet plus additional space necessary to comply with the standards of § 155.656 of this chapter;
         (d)   Accessory structures and accessory dwellings: five feet adjacent to street setback, except as provided for in §§ 155.500 through 155.502 of this chapter; and
         (e)   Attached dwellings do not require side yard setbacks along the side the dwelling units are attached.
      (4)   Flag lots approved. Flag lots are subject to §§ 155.545 through 155.552 of this chapter.
      (5)   Height of buildings. Buildings shall not exceed a height, measured from grade, of 35 feet. Cottage cluster dwellings, accessory dwellings and accessory structures shall not exceed 25 feet.
      (6)   Maximum lot/parcel coverage.
         (a)   Single-family detached: 65%;
         (b)   Duplex and triplex: 75%;
         (c)   Townhouse: 80%;
         (d)   Multifamily: 80%; and
         (e)   All other uses: 65%.
(Prior Code, §16.030.015) (Ord. 427, passed 5-16-2016; Ord. 451, passed 6-4-2018; Ord. 477, passed 2-22-2022)