§ 156.021  REGULATIONS FOR USE AND CONFIGURATION OF LOTS
   (A)   Nonconforming uses and structures.  Any use, structure or property that is or becomes nonconforming in regard to the requirements of this chapter, may only continue, be altered or have its use changed as allowed by §§ 156.060et seq., Nonconforming Uses and Structures.
   (B)   Existing structures.  No existing structure shall be rebuilt, remodeled or otherwise altered or modified so as to conflict or further conflict with the lot area per dwelling unit or lot size requirements for the zoning district in which it is located.
   (C)   Uses permitted in all districts.  The following uses of land essential to public utility and municipal functions are permitted in all districts: poles, wires, cables, conduits, vaults, laterals, pipes, mains, valves or any other similar equipment (not including substations located on or above the surface of the ground) for the distribution to consumers of telephone or other communications, electricity, gas or water, or for the collection of sewage or surface water.
   (D)   Lot size requirements.  Unless as otherwise authorized in this chapter,  lot size requirements of the zoning district in which the property is located shall apply.
   (E)   Number of structures and uses on zoning lot.
      (1)   Not more than one principal residential building shall be located on a single zoning lot, nor shall a principal residential building be located on the same zoning lot with any other principal building, unless the principal residential building is located in a planned development that has been approved pursuant to the provisions of this chapter.
      (2)   In business and industrial districts, any number of structures (except residential buildings) and uses may be constructed or established on a single zoning lot, but no single zoning lot shall be smaller than the minimum lot area prescribed for the district in which the structure is located.
   (F)   Access to public street.  Every principal building constructed shall be on a zoning lot or parcel of land that adjoins a public street. A principal building may be constructed on a zoning lot or parcel of land that adjoins a permanent easement of access to a public street, if the permanent easement of access was duly established and recorded prior to January 1, 2009.
   (G)   Yard requirements for open land.  In instances of a zoning lot that is occupied by a permitted use without structures, the minimum front, side or rear yards of the district in which the property is located shall be provided and maintained.
   (H)   Sewer and water facilities. All dwellings and any other accessory structures requiring water or sanitary service shall be served by, and connected to a public sanitary sewage disposal system and water distribution system. Existing dwellings or accessory structures not connected to a public sewer or water system may enlarge or repair the corresponding private septic system or well with approval from the Director of Public Works and Engineering.
   (I)   Restrictions on allocation and disposition of required yards or open space.
      (1)   No part of the area, yard, open space, off-street parking or off-street loading of a lot may be used for any reason to meet the minimum requirements on another lot, except as specifically permitted by this chapter.
      (2)   All of the lot area and all yards and other open spaces provided in connection with any structure or use, in order to comply with this chapter, shall be located on the same lot as the structure or use, except as specifically permitted by this chapter.
      (3)   No part of the area, yard, open space, off-street parking or off-street loading of a lot that does not meet the standards for such elements at the time of adoption of this chapter, shall be subsequently reduced below, or further reduced if already less than, the minimum requirements of this chapter for equivalent new construction.
      (4)   Open spaces required under these regulations for one building or use shall not again be used as open spaces required for another building or use.
   (J)   Lot size requirements and bulk regulations for public utility facilities.
      (1)   Notwithstanding any other provisions of this chapter, none of the following public utility or public service uses shall be required to comply with the lot size requirements and bulk regulations of the zoning district in which they are located, except that public utility and public service uses located on or above the surface of the ground shall observe the applicable minimum front, side and rear yard requirements.
         (a)   Electric and telephone substations and distribution equipment.
         (b)   Gas regulator stations.
         (c)   Poles, wires, cables, conduits, vaults, laterals, pipes, main valves or other similar equipment for distribution to consumers for transmission of electricity, gas or water.
         (d)   Pumping stations.
         (e)   Radio, television and microwave transmission or relay stations, towers and antennae.
         (f)   Transformer stations.
         (g)   Water standpipes.
      (2)   In addition, where electrical, telephone, water and sewer or other utility services require structures or facilities other than buildings located on or above the surface of the ground on easements through or abutting any lot in a residence district, the structures or facilities shall be prohibited from any required yard adjacent to a public street or from any dedicated street right-of-way.
   (K)   Minimum district size.  Whenever a minimum contiguous area is specified for a zoning district, then no property shall be classified or reclassified in any zoning district unless, after the classification or reclassification, the property will, when considered alone or in conjunction with similarly classified property that it abuts, contain at least the minimum contiguous area specified for the zoning district.
(Ord. 21-016, passed 8-18-21)