§ 156.075 R-1 SINGLE-FAMILY DETACHED.
   (A)   General conditions.
      (1)   No adult-use cannabis business establishment shall be permitted.
      (2)   No solar panels shall be permitted on the ground.
      (3)   No short-term rental shall be permitted.
   (B)   Permitted uses. The following uses are permitted:
      (1)   Single-family detached dwellings and permitted accessory buildings and accessory uses, including temporary sales offices for new developments.
      (2)   Parks and forest preserves.
      (3)   Home occupations in a dwelling unit, as an accessory use to a detached single-family dwelling, subject to the following restrictions:
         (a)   Such use shall be conducted entirely within the dwelling;
         (b)   Such use shall employ only members of the family residing on the premises and no more than one non-family member;
         (c)   Such use shall not have any sign or display, either outside or in any window of the dwelling, that will indicate from the exterior of that dwelling that it is being used for any use other than a residential dwelling;
         (d)   Such use shall involve no stock-in-trade or commodity that will be sold to customers who visit the premises to make purchases;
         (e)   Such use shall not involve the use or storage of any explosive or combustible materials, or the use of any mechanical or electrical equipment on the premises, that would create any offensive noise, vibrations, smoke, sewage, fumes, odor, heat, glare, or electrical interference, or any other noxious effects or dangers, or that would constitute a nuisance that would be noticeable at or beyond the property line;
         (f)   Such use shall have no separate entrance from outside the dwelling to serve the home occupation, and the area for the home occupation, including any storage, shall not utilize more than 10% of the floor area of the dwelling or 250 square feet, whichever is less;
         (g)   Such use shall not require any regular receipt or delivery of merchandise, goods, or equipment by any truck tractor drawing a semitrailer.
      (4)   Antennas as regulated by § 156.047 of this code.
      (5)   Day care homes, as an accessory use conducted within a detached single-family dwelling, provided that a day care home shall not be considered a home occupation but shall be subject to the following restrictions:
         (a)   No portion of the activities of the day care home shall be conducted in any attached or detached garage;
         (b)   Day care homes shall not have any sign or display, either outside or in any window, that will indicate from the exterior that the detached single-family dwelling is being used for any use other than a dwelling;
         (c)   If the operator of a day care home chooses to fence it yard around the play area, such fence shall be in conformance with the yard requirements for fences in § 156.039 of this code, enclose the entire perimeter of the yard, be a minimum of four feet in height, and self-closing and self-latching, with latches placed at least 42 inches above the ground.
      (6)   Above ground service facilities, but only in compliance with § 156.051.
      (7)   Roof-mounted private solar collection panels.
   (C)   Special uses. The following uses may be allowed by special use in accordance with the provisions of § 156.022 of this code.
      (1)   Growing of farm, garden, and plant nursery crops for profit, in the open, provided that no livestock or poultry are kept, and no offensive odors or dust are created.
      (2)   Day care centers and preschools, with or without kindergartens.
      (3)   Public uses, police and fire stations, telephone exchanges, sewage lift stations, electric substations, and other similar public service or government uses.
      (4)   Schools, public and private, elementary and high, including playgrounds and athletic fields auxiliary thereto.
      (5)   Libraries.
      (6)   Reserved.
      (7)   Freestanding antennas as regulated by § 156.047 of this code.
      (8)   Churches.
      (9)   Clubhouses and common recreational facilities accessory to single-family detached dwellings, for the sole use of residents and their guests.
   (D)   Minimum floor area. There shall be provided a minimum floor area as follows:
      (1)   Not less than 1,500 square feet, not including the basement, and not less than 800 square feet on the ground floor, for each new single-family detached dwelling, or any existing single-family detached dwelling that is enlarged or expanded by 50% or more of the existing floor area of such dwelling.
      (2)   No minimum floor area shall be required for a nonresidential building.
   (E)   Lot area and lot width. There shall be provided a minimum lot area and minimum lot width as follows:
      (1)   Not less than 11,000 square feet for each single-family detached dwelling hereafter erected, and a minimum lot width, measured at the established building line, of not less than 65 feet, except in the case of cul-de-sacs, where the minimum lot width, measured at the established building line shall be not less than 55 feet.
      (2)   Except for telephone exchanges, sewage lift stations, electrical substations, and similar public service uses, not less than 20,000 square feet for a permitted nonresidential building, and a minimum lot width, measured at the established building line, 100 feet.
      (3)   The area devoted to streets shall not be used in computing the lot area per dwelling unit.
   (F)   Yard areas. (See Appendices A and B of this chapter.) There shall be provided minimum yards as follows:
      (1)   Front yard:
         (a)   Except as provided in division (G)(2) of this section for additional building height, not less than 30 feet in depth for a lot occupied by a detached single-family dwelling.
         (b)   Not less than 30 feet in depth for a lot occupied by a nonresidential building, provided that there shall be a minimum front yard of not less than ten feet in depth for paved area.
      (2)   Side yards: A side yard on each side of the main building of not less than ten feet, except where a side yard adjoins a street, the minimum width of a side yard shall not be less than 30 feet.
      (3)   Rear yard:
         (a)   Not less than 25 feet for a lot occupied by a detached single-family dwelling.
         (b)   Not less than 25 feet in depth for a lot occupied by a permitted nonresidential building; provided that there shall be a minimum rear yard of not less than ten feet in depth for paved area.
   (G)   Maximum lot coverage. There shall be allowed a maximum lot coverage as follows:
      (1)   Subject to the applicable restrictions established in § 156.045(B) of this code for permitted obstructions in yards, not more than 40% of the lot area may be occupied by a detached single-family dwelling and related structures, including accessory buildings, pavements, driveways, and walkways, and not more than 35% of the required front yard may be occupied by structures, as defined.
      (2)   Subject to the applicable restrictions established in § 156.045(B) of this code for permitted obstructions in yards, not more than 70% of the lot area may be occupied by a permitted nonresidential building and related structures, including accessory buildings, signs, pavements, driveways, and walkways. No maximum front yard coverage is established for lots occupied by a permitted nonresidential building. The floor area for permitted nonresidential buildings shall not exceed 0.5.
   (H)   Building height. There shall be a maximum height as follows:
      (1)   Building height for a single-family detached dwelling shall be defined as the vertical distance measured from the average elevation at the top of the shoulder or the top of the curb along the side of the right-of-way adjacent to the building lot to the ridge, or of the average elevation of the finished grade along the front of the proposed building to the ridge.
      (2)   Not more than 33 feet to the ridge, and two stories facing the street and three stories to the rear if there is a walkout basement, for a single-family detached dwelling.
      (3)   Not more than 35 feet for a permitted nonresidential building.
   (I)   Visual environment. In order to conserve existing property values, to preserve the attractiveness of homes and home surroundings, to prevent erosion, to assist in stormwater and flood control, and to provide for clean air, required front yards shall be devoted primarily to landscaped area except for the necessary paving of driveways and sidewalks to reach parking in the side or rear yard. Landscaped areas shall mean that the area is primarily devoted to the growing of shrubbery, grass, and other plant material. The applicable landscaping requirements of § 156.049 shall be met for any construction of a new single-family detached residence, or construction of any addition to an existing detached single-family residence that enlarges such residence by more than 50% of its existing floor area in the R-1 Single-Family Detached Zoning District. No lighting on a residential zoning lot shall cause any glare or excessive light spillover onto any adjacent residential property from interior or exterior lighting. All exterior lighting fixtures shall be directed or shaded to avoid casting direct light upon any adjacent residential property or into any public streets or parks. In no case shall such lighting exceed two foot candles measured at any lot line.
(Ord. 06-10, passed 7-11-06; Am. Ord. 06-23, passed 11-14-06; Am. Ord. 08-38, passed 11-11-08; Am. Ord. 19-9, passed 3-12-19; Am. Ord. 19-53, passed 11-12-19; Am. Ord. 20-29, passed 8-11-20; Am. Ord. 22-02, passed 1-11-22) Penalty, see § 156.999