§ 156.011 RESTRICTIONS; OTHER PROVISIONS.
   (A)   All streets, alleys and railroad rights of way, if not otherwise specifically designated, shall be deemed in the same zone as the property immediately abutting the alleys, streets or railroad rights of way. Where the center line of a street or alley serves as a district boundary, the zoning of the street or alley, unless otherwise specifically designated, shall be deemed the same as that of the abutting property up to the center line.
   (B)   No building or structure shall be erected, converted, enlarged, reconstructed or structurally altered, no shall any building or land be used for any purpose other than is permitted in the district in which the building or land is located.
   (C)   No building or structure shall be erected, converted, enlarged, reconstructed or structurally altered to exceed the height limit herein established for the district in which the building is located, except penthouses or roof structures for the housing of elevators, stairways, tanks, ventilating fans or similar equipment required to operate and maintain the building and fire or parapet walls, skylights, towers, steeples, flag poles, chimneys, smoke stacks, radio and television aerials or antennas, wireless masts, water tanks or similar structures may be erected above the height limits herein prescribed.
   (D)   No structure may be erected to exceed by more than 25 feet the height limits of the district in which it is located, except that aerials or antennas designed to aid home television reception may be erected to a height not to exceed 60 feet from the ground level, provided the aerial or antenna is attached to the building or erected in the rear yard area.
   (E)   No building or structure other than a building for conditional use shall be erected, converted, enlarged, reconstructed or structurally altered, except in conformity with the area regulations of the district in which the building is located.
   (F)   No space for which the purpose of a building or dwelling group has been counted or calculated as part of a rear yard, side yard, front yard, court or other open space required by this chapter may, be reason of a change in ownership or otherwise, be counted or calculated to satisfy or comply with a yard, court or other open space requirement of or for any other building.
   (G)   An open terrace, but not including a roofed- over porch or terrace, may occupy a front yard, provided the unoccupied portion of the front yard has depth of not less than 15 feet. A one-story bay window may project into a front yard not more than three feet. Overhanging eaves, including gutters, may project over the minimum required side yard not more than 18 inches.
   (H)   The minimum yards or other open spaces, including lot areas per family required by this chapter for each and every building existing at the time of passage of this chapter or for any building hereafter erected shall not be encroached upon or considered as yard or open space requirements for any other building.
   (I)   Every building hereafter erected or structurally altered to provide dwelling units shall be located on a lot, as defined in § 156.003, and in no case shall there be more than one such building on one lot unless otherwise provide din this chapter.
   (J)   Any separate tract, the title of which was of record at the time of the adoption of this chapter, that does not meet the requirements of this chapter for yards, courts or other areas of open space, maybe used for single residence purposes provided the requirements for the yard, court or lot area, width, depth or open space is within 75% of that required by the terms of this chapter. The purpose of this provision is to permit use of recorded lots which lack adequate width or depth as long as reasonable living standards can be provided.
   (K)   No building shall be constructed or erected upon a lot or parcel of land that does not abut a public street or permanent easement of access to a public street, which easement shall have a minimum width of 25 feet unless an easement of lesser width was of record before the adoption of this chapter.
   (L)   No wall, fence or shrubbery shall be erected, maintained or planted on any lot which unreasonably obstructs or interferes with traffic visibility on a curve or at any street intersection.
   (M)   No residential structure shall be erected upon the rear or a lot or upon a lot with another dwelling, except in a two-story garage with living quarters on the second floor the quarters may be occupied by a servant (and the servant's family) of the family occupying the main structure. There also may be constructed a guest house, without kitchen, or rooms for guests within an accessory building, provided the facilities are used for the occasional housing of guests of the occupants of the main structure and not for permanent occupancy by others as a housekeeping unit.
   (N)   Nothing in this chapter shall be deemed to require any change in the plans, construction or designated use of any building upon which actual construction was begun lawfully before the adoption of this chapter and upon which building actual construction has been diligently carried on and provided further, the building shall be completed within two years from the date of passage and publication of this chapter.
   (O)   An area indicated on the official zoning map as a public park or recreation area, public utility area, cemetery, public school site or semipublic open space shall not be used for any purpose and when the use of the area is discontinued, it automatically shall be zoned R-2, One-Family District, until otherwise zoned.
   (P)   Any area annexed to the city shall, upon the annexation, automatically shall be zoned R-2, One-Family District until otherwise zoned.
('74 Code, Appendix A, § 5) (Ord. 956, passed 10-3-78) Penalty, see § 156.999