§ 93.025 R-1 THROUGH R-4 SINGLE-FAMILY RESIDENTIAL DISTRICTS.
   (A)   General.
      (1)   The Single-Family Residence Districts as differentiated herein and the district locations as depicted on the zone district map reflect the wide variety of physical and social characteristics found in the county to the extent that the range of such conditions and characteristics can be divided into meaningful categories. It is the purpose of these regulations to encourage the creation and maintenance of stable and enduring residential areas by establishing limitations on the use and character of development so as to take advantage of, or to avoid conflict with, natural topography, existing development, arrangements and locations of existing or planned community facilities and social needs.
      (2)   Districts R-1, R-2, R-3, and R-4 are intended to be exclusive single-family districts and to meet the needs of those persons wishing single-family housing and the environment associated with such housing.
      (3)   Any permitted non-residential use listed herein, other than a public service use, shall only be permitted on a tract of land at least two acres in size.
   (B)   Conditions of use.
      (1)   Lot size. Every one-family detached dwelling hereafter erected shall be located on a tract of land having an area of not less than 40,000 square feet and a width at the established building line of not less than 150 feet.
      (2)   Yard areas. No building shall be erected or enlarged unless the following yards are provided and maintained in connection with the buildings, structures, or enlargement.
      (3)   Front yard. A front yard of not less than 40 feet shall be provided.
      (4)   Side yard. A side yard on each side of the zoning lot of not less than 25 feet, except where a side yard adjoins a street the minimum width of the yard shall be increased to 40 feet.
      (5)   Rear yard. A rear yard of not less than 40 feet shall be provided.
      (6)   Lot coverage. Not more than 15% of the area of a zoning lot may be covered by buildings or structures, including accessory buildings.
      (7)   Maximum floor area ratio. The floor area ratio between gross floor area and zoning lot shall not exceed 0.3. The maximum floor area of accessory structures shall be no greater than two times the first-level floor area of the primary structure.
      (8)   Dwelling standards. Single-family dwellings shall have a total floor area of not less than 620 square feet for each dwelling unit, measured from the outside walls, including utility rooms but excluding all other areas not used for living or sleeping purposes.
      (9)   Additional requirements. The applicant should refer to the following sections for additional requirements:
 
Fences
Parking
Sewers
Signs
Slope
 
   (C)   Conditions of use.
      (1)   Lot size. Every one-family detached dwelling hereafter erected shall be located on a tract of land having an area of not less than 15,000 square feet and a width at the established building line of not less than 100 feet.
      (2)   Yard areas. No building shall be erected or enlarged unless the following yards are provided and maintained in connection with the buildings, structures, or enlargements.
      (3)   Front yard. A front yard of not less than 40 feet shall be provided.
      (4)   Side yard. A side yard on each side of the zoning lot of not less than 10% of the width of the lot at the building line except where a side yard adjoins a street, the minimum width of the yard shall be increased to 40 feet.
      (5)   Rear yard. A rear yard of not less than 40 feet shall be provided.
      (6)   Lot coverage. Not more than 30% of the area of a zoning lot may be covered by buildings or structures, including accessory buildings.
      (7)   Maximum floor area ratio. The floor area ratio shall not exceed 0.5. The maximum floor area of accessory structures shall be no greater than two times the first-level floor area of the primary structure.
      (8)   Dwelling standards. Single-family dwellings shall have a total floor area of not less than 620 square feet for each dwelling unit, measured from the outside walls, including utility rooms but excluding all other areas not used for living or sleeping purposes.
      (9)   Additional requirements. The applicant should refer to the following sections for additional requirements:
 
Fences
Parking
Sewers
Signs
Slope
 
   (D)   Conditions of use.
      (1)   Lot size. Every one-family detached dwelling hereafter erected shall be located on a tract of land having an area of not less than 9,000 square feet, and a width at the established building line of not less than 70 feet.
      (2)   Yard areas. No building shall be erected or enlarged unless the following yards are provided and maintained in connection with the buildings, structures or enlargement.
      (3)   Front yard. A front yard of not less than 25 feet shall be provided.
      (4)   Side yard. A side yard on each side of the zoning lot of not less than 10% of the width of the lot at the building line except that a minimum width of ten feet on one side will be provided for rear access unless rear access is provided by another method. Where a side yard adjoins a street, the minimum width of the yard shall be not less than 25 feet.
      (5)   Rear yard. A rear yard of not less than 30 feet shall be provided.
      (6)   Lot coverage. Not more than 35% of the area of a zoning lot may be occupied by buildings or structures, including accessory buildings.
      (7)   Maximum floor area ratio. The floor area ratio shall not exceed 0.5. The maximum floor area of accessory structures shall be no greater than two times the first-level floor area of the primary structure.
      (8)   Dwelling standards. Single-family dwellings shall have a total floor area of not less than 620 square feet for each dwelling unit, measured from the outside walls, including utility rooms but excluding all other areas not used for living or sleeping purposes.
      (9)   Additional requirements. The applicant should refer to the following sections for additional requirements:
 
Fences
Parking
Sewers
Signs
Slope
 
   (E)   Conditions of use.
      (1)   Lot size. Every one-family detached dwelling hereafter erected shall be located on tract of land having an area of not less than 6,000 square feet, and a width at the established building line of not less than 50 feet.
      (2)   Yard areas. No building shall be erected or enlarged unless the following yards are provided and maintained in connection with the building, structure, or enlargement.
      (3)   Front yard. A front yard of not less than 25 feet shall be provided.
      (4)   Side yard. A side yard on each side of the zoning lot of not less than 10% of the lot width at the building line except that a minimum of ten feet on one side will be provided for rear access unless rear access is provided by another method. Where a side yard adjoins the street, the minimum of this yard shall be no less than 25 feet.
      (5)   Rear yard. A rear yard of not less than 25 feet shall be provided.
      (6)   Lot coverage. Not more than 50% of the area of the zoning lot may be occupied by buildings and structures, including accessory buildings.
      (7)   Maximum floor area ratio. The floor area ratio shall not exceed 0.5. The maximum floor area of accessory structures shall be no greater than two times the first-level floor area of the primary structure.
      (8)   Dwelling standards. Single-family dwellings shall have a total floor area of not less than 620 square feet for each dwelling unit, measured from the outside walls, including utility rooms but excluding all other areas not used for living or sleeping purposes.
      (9)   Additional requirements. The applicant should refer to the following sections for additional requirements:
 
Fences
Parking
Sewers
Signs
Slope
 
   (F)   Permitted uses.
      (1)   Churches, rectories, and parish houses (see § 93.077).
      (2)   Golf courses of regulation size but not including “par 3" golf courses; and provided that no clubhouse, parking lot, or accessory building shall be located nearer than 500 feet to any dwelling unit or other zoning lot.
      (3)   Governmental uses, facilities, and buildings of the county.
      (4)   Parks, forest preserves and recreational areas, when publicity owned.
      (5)   Single-family dwelling, frame construction only.
      (6)   Modular building unit to be used as a permanent residence, provided it meets all of the requirements of the county building code for placement. These are to be only modular homes that have received prior approval of the Building and Zoning Committee, and are on file in the office of the Building Department.
      (7)   Schools: Public, denominational, or private, elementary and high, including playgrounds, garages for school buses, and athletic fields auxiliary thereto.
      (8)   T. V. disks.
      (9)   Telecommunication facility not exceeding 75 feet in height. (Subject to the requirements of § 93.099).
      (10)   All land used for agricultural purposes, which includes the growing of farm crops, truck garden crops, farm animal and poultry husbandry, beekeeping, nurseries, tree farms, sod farms, pasturage, viticulture, and wholesale greenhouses when such agricultural purposes constitute the principal activity on the land.
      (11)   (a)   Private lakes and ponds, or other bodies of water and clubhouses, provided that no, building, parking lot, or other intense use activity is located nearer than 250 feet to any dwelling on another zoning lot. Any private lake, pond, or other body of water must also be a minimum of 250 feet from any dwelling on an adjacent zoning lot that does not have use privileges to the lake or pond.
         (b)   Should a pond be located within 250 feet of any dwelling on another zoning lot a variance shall be required. In addition, the pond shall meet requirements for the construction of retention basins as per the county stormwater ordinance, including but not limited to, review and approval by a licensed professional engineer.
      (12)   Up to 12 chickens (hens only) on properties that are one acre in size or greater. Any lawfully allowed animals, pursuant to this chapter, shall be enclosed within a pen at all times so that the animal will not become free roaming. Animals, consistent with the animal husbandry practices of the day, shall be provided shelter so as to be protected from adverse weather. Also consistent with then current animal husbandry practices, animals shall be provided with food and water. Premises upon which animals are kept, including areas of feed storage, shall be kept in a clean and healthy manner so as to not attract unwanted creatures and to not become a nuisance.
   (G)   Special uses. (See §§ 93.162 and 93.178 ).
      (1)   Any dwelling unit less than 620 square feet.
      (2)   Cemeteries and mausoleums in conjunction therewith.
      (3)   Day care or nursery schools.
      (4)   Private parking lots.
      (5)   Governmental uses other than the county.
      (6)   Type “B” home occupations in accordance with § 93.083.
      (7)   Hospital, sanitariums, rest homes, nursing homes, and institutions for children and the aged. (See §§ 93.084 and 93.089)
      (8)   Landfill, but sanitary landfills not permitted.
      (9)   Mobile home in compliance with § 93.101.
      (10)   [Reserved].
      (11)   Private recreational areas or camps, when not operated for profit.
      (12)   Public libraries, playgrounds, parks, recreational community centers or grounds.
      (13)   Planned Unit Development, restricted to the density and permitted uses of the district subject to §§ 93.162 and 93.178.
      (14)   Sewage facilities.
      (15)   Utilities: Electrical substations, gas regulator stations, other public utility distribution facilities, plants and pumping stations.
      (16)   Beekeeping. Keeping of not more than three colonies of domestic honeybees for private purposes only on a zoning lot whose principal use is intended to be a single-family dwelling, provided that the beekeeping is done in compliance with supplemental regulations found in § 93.100.
      (17)   Bed and breakfast inn (R-1 Only). (See § 93.060).
      (18)   Keeping of up to six chickens (hens only) on properties less than an acre in size, and up to two goats for private purposes only on a zoning lot whose principal use is intended to be a single- family dwelling, provided that the keeping of these animals is done in compliance with supplemental regulations found in § 93.100. Any lawfully allowed animals, pursuant to this chapter, shall be enclosed within a pen at all times so that the animal will not become free roaming. Animals, consistent with the animal husbandry practices of the day, shall be provided shelter so as to be protected from adverse weather. Also consistent with then current animal husbandry practices, animals shall be provided with food and water. Premises upon which animals are kept, including areas of feed storage, shall be kept in a clean and healthy manner so as to not attract unwanted creatures and to not become a nuisance.
      (19)   Community solar (R-1 only) (see § 93.106).
   (H)   Accessory uses. (See § 93.051, § 93.052). Accessory uses clearly associated with and supplementary to the principal use of the lot or tract of land, including the following:
      (1)   Boats, campers/camping trailers, and trailers. A maximum of four boats, campers/camping trailers, and trailers are permitted in the rear or side yard. On properties two acres or greater in size, an additional boat, camper/camping trailer, or trailer shall be permitted in the front yard at least 30 feet back from the front property line. Any boat, camper/camping trailer, or trailer stored in the side yard shall be a minimum of 20 feet from the side property line. All boats and campers/camping trailers must be unoccupied and parked in an orderly and organized fashion.
      (2)   Construction: Temporary construction sheds and temporary buildings for sale of rental offices or show houses for use during construction operations; provided all other regulations of the district are complied with, but in no case shall the office be continued beyond the duration of construction of the project or one year.
      (3)   Horses: Keeping of horses for private purposes only and not for rent or hire on a zoning lot less than five acres in size whose principal use is intended to be a single-family dwelling provided that: At least one acre is allocated for each animal; that no more than two horses are permitted; that all buildings for housing such animals shall be subject to all requirements for accessory buildings; that these buildings are located at least 100 feet from the nearest existing principal building on an adjacent lot, or 50 feet from the nearest side lot line whichever is greater. Any lawfully allowed animals, pursuant to this chapter, shall be enclosed within a pen at all times so that the animal will not become free roaming. Animals, consistent with the animal husbandry practices of the day, shall be provided shelter so as to be protected from adverse weather. Also consistent with then current animal husbandry practices, animals shall be provided with food and water. Premises upon which animals are kept, including areas of feed storage, shall be kept in a clean and healthy manner so as to not attract unwanted creatures and to not become a nuisance.
      (4)   Pets: The keeping of not more than three domesticated animals over the age of four months on the premises.
      (5)   Private: Tool sheds, garages or carports, tennis courts, patios, swimming pools.
      (6)   Servants' accommodations for professional servants, caretakers, watchmen or custodians, but not as a separate detached one-family dwelling on the same lot.
      (7)   Vegetable gardens.
      (8)   Permitted signs.
      (9)   Type “A” home occupations in accordance with § 93.083.
      (10)   Vehicle repair, hobby or personal (see § 93.081).
      (11)   Solar panels.
      (12)   Agricultural uses on non-urban tracts of land zoned R-1, R-2, R-3 and R-4at least five acres in size, where the principal use on the property is intended to be a single-family dwelling. Provided the use is operated with sound agricultural practices and does not create nuisance, not more than one livestock, including horses (kept for private purposes only, not for paid lessons, rent, or hire), cattle, sheep, goats, pigs, or similar animals, is allowed per acre and not more than 12 fowl, including chickens, ducks, or similar animals, are allowed per acre. When farm animals are maintained on the property, all buildings for housing these animals shall be subject to all requirements for accessory buildings in the district and must be located at least 100 feet from the nearest existing principal building on an adjacent lot or 50 feet from the nearest lot line, whichever is greater. All grazing areas must be fenced. Any lawfully allowed animals, pursuant to this chapter, shall be enclosed within a pen at all times so that the animal will not become free roaming. Animals, consistent with the animal husbandry practices of the day, shall be provided shelter so as to be protected from adverse weather. Also consistent with then current animal husbandry practices, animals shall be provided with food and water. Premises upon which animals are kept, including areas of feed storage, shall be kept in a clean and healthy manner so as to not attract unwanted creatures and to not become a nuisance.
      (13)   Private greenhouses accessory to single-family dwellings.
   (I)   Prohibited uses.
      (1)   Junk yards.
      (2)   Manufacturing.
      (3)   Junk and debris, outdoor storage of goods and materials.
      (4)   Vehicles, such as automobiles, buses, and trucks that do not bear a current set of license plates; or are not in running condition; or are in such a condition that they are inoperable on public streets shall not be permitted.
      (5)   Railroad freight cars.
(Ord. 2014-18, passed 4-16-2014; Ord. 2014-14, passed 11-19-2014; Ord. 2014-15, passed 11-19-2014; Ord. 2016-02, passed 2-16-2016; Ord. 2020-02, passed 1-16-2020; Ord. 2024-01, passed 3-5-2024) Penalty, see § 93.999.