10-11-3: MAIN AND ACCESSORY BUILDINGS:
   A.   Building Permits: No building permit for any main building may be issued or such building erected on any lot having frontage on a dedicated, but unopened or undeveloped street, until and unless such street is rough graded to a grade approved by the city.
   B.   Effect Of Official Map: Whenever an official map has been recorded in the office of the city recorder proposing to widen an existing street, the map street line provided by the official map shall be considered as the front line of a building lot and the setback from the line shall be the same as required for any front setback. No building or structure shall be erected within a proposed street shown on the Official Map.
   C.   Building Lot For Buildings Required: Every building excepting those housing public use, public utilities, commercial or industrial uses in single ownership and accessory and temporary uses and those used in conjunction with agriculture, parks and playgrounds or other uses expressly exempted, shall be erected on separate ground area herein called the "building lot" which shall be designated, provided and continuously maintained for main buildings and their accessory buildings, and no accessory building shall be erected on any such building lot until the main building has been erected thereon, unless both main and accessory buildings are being erected simultaneously. Except for planned dwelling groups as specifically authorized in this Title, no more than one dwelling structure shall occupy any one building lot.
   D.   Accessory To Agriculture And Housing Animals Or Fowl:
      1.   No hay barn, silo, equipment shed or storage building may be located closer than ten feet (10') to any side or rear lot line and one hundred feet (100') to any public street or dwellings on adjacent property, except that on corner lots, such building may be located no closer than fifty feet (50') to one of the public streets. Greenhouses or other shelters used in connection with the growing of ornamental plants and flowers may be located as provided for the location of accessory buildings and structures in the zone regulations.
      2.   All pens, sheds, barns, coops and stables housing animals and fowl shall be located not less than one hundred fifty feet (150') from a public street and one hundred feet (100') from any main buildings on adjacent lots, except that on corner lots such buildings shall be located not closer than fifty feet (50') to one of the public streets. These provisions shall not apply to pastures. (1989 Code § 12-17-003)
   E.   Private Swimming Pool And Tennis Court Location: A private outside swimming pool or tennis court may be constructed as an accessory use to a main building within the side or rear yard thereof; provided, that it is set back from the side and rear lot lines not less than four feet (4') and not less than thirty feet (30') from any neighbor's dwelling. When an adjacent lot is vacant, a swimming pool or tennis court must be located at least fifteen feet (15') from any side lot line of any neighboring lot. Where a swimming pool is completely enclosed in a building, the location requirements for accessory and main buildings shall apply. Where any swimming pool is to be located in the near vicinity of any septic tank or sewage disposal field, the location of the same shall first be approved by the Davis County Health Department. Swimming pools shall be completely fenced with a fence suitable for preventing accidental human entry into the pool area and at least four feet (4') high. (1989 Code § 12-17-003; amd. 1998 Code)
   F.   Maximum Coverage: No accessory building or structure or group of such buildings or structures, including swimming pools, and no parking space in any residential zone shall cover more than twenty five percent (25%) of the required minimum rear yard space. (1989 Code § 12-17-003)
   G.   Maximum Height Limitations; Exceptions: No maximum height regulation as stated in this Title shall apply to prevent the construction of penthouse or roof structures for the housing of elevators, stairways, tanks, ventilating fans or similar equipment required to operate and maintain the buildings, and fire or parapet walls, towers, steeples, flag poles, chimneys, smoke stacks, wireless or television masts or similar structures above the stated height limits; provided, that no space above the height limits shall be allowed for the purpose of providing additional floor space. (1989 Code § 12-17-003; amd. 1998 Code)
   H.   Additional Height Allowed: Public buildings and churches authorized in a zone may be erected to any height, provided the building is set back from each otherwise established setback line at least one foot (1') for each additional foot of building height above the normal height limit required for the zone in which the building is erected.
   I.   Minimum Height Of Dwellings: No dwelling shall be erected where more than twenty five percent (25%) of its main floor area is or will be below the finished surface grade at the front yard level. No basement houses shall be permitted.
   J.   Minimum Size Of Dwellings: No detached dwellings shall be erected within the City which contains less than six hundred (600) square feet of gross floor area. (1989 Code § 12-17-003)