§ 159.31  (SFE-3.0) SINGLE-FAMILY ESTATE 3.0 RESIDENTIAL DISTRICT.
   (A)   Purpose.
      (1)   This district is considered to be the proper zoning classification for three-acre or greater lot developments for single-family estate dwelling use. This district is intended to be composed of single-family dwellings.
      (2)   Areas that are zoned for this use shall have or provide for water, wastewater, drainage, and access to paved streets based on single-family usage required by the allowed density.
      (3)   It is intended for areas that are properly buffered from nonresidential uses, and protected from pollution and/or environmental hazards or from high volume of non-single-family traffic.
      (4)   Developers wishing to restrict their subdivision to lot sizes in excess of what this chapter requires shall use restrictive covenants.
   (B)   Permitted uses.
      (1)   Agricultural uses on unplatted land, in accordance with all other adopted ordinances;
      (2)   One detached single-family dwelling per lot;
      (3)   Accessory buildings and dwellings. The maximum combined floor area, maximum size for a single building, maximum wall height, and number of accessory buildings per lot/tract permitted shall be based on the lot/tract size. Such regulations shall be based on the following criteria:
 
Lot Size (acres)
Maximum Number of Accessory Buildings/
Dwellings Allowed per Lot1
Maximum Combined Floor Area Allowed (all accessory buildings/
dwellings - sq. ft.)2
Maximum Size for a Single Accessory Structure (sq. ft.)3
Maximum Building Height (feet)4
Setback from Rear Facade of Main Residence (feet)5
Minimum Separation from Other Buildings (feet)
3 to < 4
3
3,500
2,500
25
30
20
4 to < 5
3
4,000
3,000
25
35
20
5 to < 7.5
4
4,500
3,500
30
45
20
7.5 to < 10
4
5,500
4,500
30
55
20
10+
4
6,500
5,500
30
60
20
1 - Only one detached guesthouse unit shall be permitted per lot. The maximum size may not exceed 2,500 square feet. A guesthouse use shall not be sold or conveyed separately without meeting the requirements of the zoning district and the Subdivision Ordinance.
2 - All existing utility services to be extended to the accessory building(s) shall be metered to the same utility account(s) customer that is currently being utilized for the main residence.
3 - A conditional use permit shall be required for a detached residential garage as defined in § 159.42.
4 - Building height shall be the distance measured from the average elevation of the finished grade along the front of the building to the average height of the highest roof structure.
5 - Measured from the rear building elevation that encloses the climate control residence, which is situated the furthest perpendicular distance away from the street right-of-way that adjoins the front yard of the lot or parcel.
 
      (4)   Any request for a building permit for an accessory building which does not meet the criteria established in division (B)(3) above shall only be authorized by approval of a conditional use permit using the procedures contained in § 159.43;
      (5)   A single one-story detached building used as a tool or storage shed, playhouse, or similar use, provided the floor area does not exceed 120 square feet and the height does not exceed ten feet (no building permit required);
      (6)   Temporary real estate sales offices located on property being sold, limited to the period of sale of the lots with a two-year initial period and one-year extensions being authorized by the Planning and Zoning Commission, the sales offices to be maintained at all times;
      (7)   Temporary on-site construction offices, limited to the period of construction, with a two-year initial period and one-year extensions being authorized by the Planning and Zoning Commission, such offices to be maintained at all times;
      (8)   Home occupations;
      (9)   Paved automobile parking areas that are necessary to the uses permitted in this district;
      (10)   All municipality owned or controlled facilities, utilities, and uses;
      (11)   Private residential swimming pools as an accessory to a residential use;
      (12)   Private unlighted residential tennis courts on the same lot as an accessory to a residential use;
      (13)   Temporary concrete batching plants limited to the period of construction, upon approval of location and operation by the Building Official;
      (14)   Public, denominational and private schools, churches, and public parks essential to create basic neighborhood units; and
      (15)   Wind energy systems on lots greater than ten acres in size subject to all terms and conditions of § 159.50.
   (C)   Conditional uses (require use permits, see § 159.43).
      (1)   Associated recreation and/or community clubs;
      (2)   Accessory buildings that do not conform to the requirements specified in division (B)(3) above;
      (3)   Facilities for railroads or those utilities holding a franchise in the city;
      (4)   Paved parking facilities for nonresidential uses that are not allowed in this district if properly screened, buffered, and landscaped;
      (5)   A private residential tennis court used as an accessory to a residential use if not located on the same lot or utilizing lights;
      (6)   A driveway or crosswalk, as distinct from a dedicated street, to provide access to premises in a commercial or industrial district;
      (7)   Agricultural use;
      (8)   Wind energy systems that do not conform to requirements listed in division (B)(15) above (see also § 159.50); and
      (9)   Detached residential garage as defined in § 159.42.
   (D)   Prohibited uses.
      (1)   Any building erected or land used for other than one or more of the preceding specified uses;
      (2)   The outside storage of equipment, materials, or vehicles, including abandoned or junked vehicles which are not necessary to the uses permitted in this district;
      (3)   Any use of property that does not meet the required minimum lot size; front, side, and rear yard dimension and/or lot width; or exceeds the maximum height, building coverage, or density per developable acre as required; and
      (4)   Day care centers.
   (E)   Area requirements.
      (1)   Minimum lot area: three acres (130,680 square feet);
      (2)   Maximum number of single-family detached dwelling units per lot: one (excludes guest dwelling);
      (3)   Maximum number of single detached guest units per lot: one; maximum size: 2,500 square feet;
      (4)   Minimum square footage per main dwelling unit: 2,500 square feet;
      (5)   Minimum lot width: 180 feet frontage on a public street;
      (6)   Minimum lot depth: 250 feet;
      (7)   Minimum depth of front setback: 50 feet;
      (8)   Minimum depth of rear setback: 25 feet for main building and 60 feet for accessory building or other structure;
      (9)   Minimum width of side set back:
         (a)   Internal lot: 25 feet for main residence, 60 feet for an accessory building.
         (b)   Side yard setback abutting street: 30 feet for main residence, 60 feet for an accessory building.
      (10)   Minimum length of driveway pavement: from public right-of-way to the building line or 50 feet, whichever is greater;
      (11)   Maximum building coverage for entire lot as a percentage of lot area: 25%;
      (12)   Maximum height of structures: 35 feet from the average elevation of the finished grade along the front of the building to the average height of the highest roof structure; and
      (13)   Minimum number of paved off-street parking spaces required for:
         (a)   One single-family dwelling unit: two (an enclosed garage shall not be considered in meeting the off-street parking requirements); and
         (b)   All other uses: see §§ 159.60 through 159.68.
(Ord. 190212A, passed 2-12-2019)