§ 153.020 ACCESSORY BUILDINGS, STRUCTURES AND USES.
   (A)   General regulations. The uses permitted in the various zoning districts are principal uses, and a building, structure or use that is accessory to a permitted use is allowable in connection with such a use provided it shall meet the requirements of this section.
      (1)   Accessory buildings, structures and uses shall be compatible with the principal uses.
      (2)   Accessory buildings and structures shall not be established prior to the establishment of the principal use; however, this shall not prohibit the construction of a temporary structure prior to construction provided the following rules are followed:
         (a)    A temporary structure shall only be allowed in conjunction with the issuance of a building permit.
         (b)    The temporary structure shall be removed upon completion of the original building project.
      (3)   Accessory buildings may not be used for dwelling purposes.
      (4)   Where the accessory building is structurally attached to a main building, it shall be subject to, and must conform to, all regulations of this chapter applicable to the main building.
      (5)   All accessory buildings, structures and uses must conform with such other regulations that apply, including city adopted building code regulations.
   (B)   Location; lot coverage. 
      (1)   No detached accessory building, structure or use may be erected in a front yard.
      (2)   In no case shall a detached accessory building be located in a utility easement.
      (3)   In the RE-1, and RD Districts, when the principal use of the main building is single family residential, the maximum height of an accessory building shall be limited to 17 feet, accessory buildings greater than 17 feet in height may be constructed only after issuance of a variance.
      (4)   A detached accessory building shall not be located within 10 feet of the main building. Accessory buildings in existence prior to the date of adoption of this chapter are permitted to remain as legal nonconforming structures.
      (5)    A detached accessory building shall not be closer than 5 feet to the rear lot line, 5 feet from the side lot line.
   (C)   Permitted accessory buildings.  
      (1)   In the RU, RC, RE-1, RM, RS, and RD Districts, the following accessory buildings are permitted:
         (a)   One non-commercial greenhouse that does not exceed in floor area 25% of the ground area of the main building.
         (b)   One private residential garage, either attached or detached, not to exceed 1,000 square feet in size in an RD, RE-1 and RM Districts and not to exceed 1,500 square feet in RC, RS and RU Districts.
         (c)   Tennis court, basketball court, swimming pool, garden house, barbecue oven, fireplace, and similar uses customarily accessory to residential uses.
         (d)   One storage shed not to exceed 200 square feet in size.
      (2)   Additional or other accessory buildings or uses may be constructed only after issuance of a conditional use permit.
      (3)   In the Business (B), Industrial (I-1), and Planned Industrial/Commercial (IC) Districts, parking lots and garages are permitted in conformance with the requirements of § 153.033.
      (4)   In the Rural (RU) District, accessory buildings may include barns, stables, storage sheds, and other structures necessary for agricultural activities.
(Am. Ord. 2008-56, passed 10-14-2008)