1.   Permitted Uses. In Residence R-3 District, the provisions of this section shall apply and the following uses permitted:

   A.   All uses allowed by right in the Residence R-2 District.

   B.   Multiple-family dwellings up to 12 units.

   C.   Child care centers.

   D.   Zero lot line units.

2.   Uses Allowed by Special Exception by the Board of Adjustment.

   A.   All uses allowed by special exception in Residence R-2 District.

   B.   Conversion into two-family or multiple-family dwellings in accordance with Subsection 3 of this section.

   C.   Mobile Home Park in accordance with Subsection 4 of this section.

   D.   Multiple-family dwellings over 12 units.

3.   Area Regulations. The following regulations as to area shall apply to the Residence R-3 District (except mobile home parks).

   A.   Every one-family dwelling hereafter erected shall be located on a lot having an area of not less than 6,000 square feet and a minimum width at the established building line of 60 feet. Any building hereafter so erected shall not be allowed to be converted to a multiple-family dwelling without meeting square footage requirements for multiple-family dwelling in that district.

   B.   Every two-family detached dwelling hereafter erected shall be located on a lot having an area of not less than 8,400 square feet and a minimum width at the established building line of 70 feet. Zero- lot line dwellings shall have a lot area of 4,200 square feet with a minimum width at the established building line of 35 feet.

   C.   Every multiple-family detached dwelling hereafter erected shall be located on a lot having a minimum area in accordance with the schedule below. A minimum lot width of 80 feet at the established building line must be provided:

3 to 4-family   10,000 square feet

5 to 8-family   2,000 square feet per unit

9 to 12-family   1,800 square feet per unit

   D.   Minimum lot sizes for special uses shall be prescribed and conditions stipulated at the time a special use permit is authorized. All such uses shall be served by a public sewer and water supply.

   E.   No zoning lot shall be built upon unless the lot is served by both public sewer and water supply approved by the City.

   F.   Front Yard. There shall be a front yard on each street and which a lot abuts, which yard shall be not less than 25 feet in depth.

   G.   Side Yard. There shall be two side yards on each lot, neither of which shall be less than eight feet in depth. Zero-lot line dwellings shall have two side yard setbacks, one which is zero feet and the other shall be a minimum of eight feet.

   H.   Rear Yard. There shall be a rear yard on each lot, which yard shall not be less than 25 feet in depth.

4.   Mobile Homes.

   A.   Mobile homes to be used for dwelling purposes shall be placed only in mobile home parks except as herein set forth. A mobile home park may be established only in designated districts provided a permit is secured as set forth herein.

      (1)   Permit. It is unlawful for any person to maintain or operate within the incorporated areas of the City any mobile home park unless such person shall first obtain a City permit.

      (2)   Application for a permit shall be accompanied by an inspection fee of $10.00.

      (3)   Any person desiring to operate a mobile home park shall first file application or approval of site location with the Planning and Zoning Commission. Applications shall be in writing, signed by the applicant, and shall contain the name and address of the applicant, the location and legal description of the site plan, and shall have attached thereto the written consent of 75 percent of the property owners within 200 feet of any part of the premises to be occupied for such use, exclusive of any public street or highway right-of-way.

      (4)   After consideration of the application, the Planning and Zoning Commission shall submit its recommendations to the Council and the Council shall then grant or deny the application.

      (5)   Required as proof of such compliance shall include the following:

         a.   An approved set of plans showing lot and street layout.

         b.   Sewage and disposal system.

         c.   Water supply and distribution system.

         d.   Electrical distribution and lighting.

      (6)   When such approved plans have been submitted to the administrative officer, such officer shall then issue a permit for the construction of such facilities on the approved site.

   B.   Mobile homes located other than in mobile home parks. A mobile home may be placed on a farm as the principal dwelling unit. Also, one mobile home may be placed on a farm in addition to an existing permanent dwelling, provided the occupant of said mobile home is active in the conduct of the agricultural operation of said farm. The above provision is not to be construed to permit two mobile homes on one farm.