12-7-2: RESIDENTIAL DISTRICTS REGULATIONS:

   A.   General Purpose Statement: The residential districts set forth herein are established to perpetuate the existing high quality residential character of the City by preserving established neighborhoods while encouraging new residential development. Taken together, the residential districts blend to provide a broad range of housing alternatives.

   B.   Permitted Uses Generally: The uses specified as permitted in table 1, "Residential Districts Use Matrix", of this section, shall be considered permitted as of right in the residential districts, subject to any limitations therein or in this chapter, and the securing of a zoning certificate. The uses shall also be required to comply with all other applicable requirements of this title and the City Code.

   C.   Conditional Uses Generally: The uses specified as conditional uses in table 1, "Residential Districts Use Matrix", of this section, may be allowed in the residential districts, subject to any limitations therein or in this chapter, and the securing of a conditional use permit pursuant to section 12-3-4, "Conditional Uses", of this title. The uses shall also be required to comply with all other applicable requirements of this title and the City Code.

   D.   R-1 Single-Family Residential District:

      1.   Purpose: The purpose of the R-1 Single-Family Residential District is to provide for and preserve single-family residential environments at the lowest density within the City.

      2.   Permitted Uses: The uses permitted in the R-1 Single-Family Residential District are set forth in table 1, "Residential Districts Use Matrix", of this section.

      3.   Conditional Uses: The uses allowed as conditional uses in the R-1 Single-Family Residential District, pursuant to section 12-3-4, "Conditional Uses", of this title, are set forth in table 1, "Residential Districts Use Matrix", of this section.

      4.   Bulk Regulations: The bulk regulations that apply to the R-1 single-family residential district are listed within table 2, "Residential Districts Bulk Matrix", of this section.

   E.   R-2 Two-Family Residential District:

      1.   Purpose: The purpose of the R-2 two-family residential district is to provide a residential environment for small lots and buildings.

      2.   Permitted Uses: The uses permitted in the R-2 two-family residential district are set forth in table 1, "Residential Districts Use Matrix", of this section.

      3.   Conditional Uses: The uses allowed as conditional uses in the R-2 two-family residential district, pursuant to section 12-3-4, "Conditional Uses", of this title are set forth in table 1, "Residential Districts Use Matrix", of this section.

      4.   Bulk Regulations: The bulk regulations that apply to the R-2 two-family residential district are listed within table 2, "Residential Districts Bulk Matrix", of this section.

   F.   R-3 Townhouse Residential District:

      1.   Purpose: The purpose of the R-3 townhouse residential district is to provide a residential environment for townhouses and multiple-family dwellings.

      2.   Permitted Uses: The uses permitted in the R-3 townhouse residential district are set forth in table 1, "Residential Districts Use Matrix", of this section.

      3.   Conditional Uses: The uses allowed as conditional uses in the R-3 townhouse residential district, pursuant to section 12-3-4, "Conditional Uses", of this title, are set forth in table 1, "Residential Districts Use Matrix", of this section.

      4.   Bulk Regulations: The bulk regulations that apply to the R-3 townhouse residential district are listed within table 2, "Residential Districts Bulk Matrix", of this section.

   G.   R-4 Central Core Residential District:

      1.   Purpose: The purpose of the R-4 central core residential district is to provide a location for high density multiple- family dwellings in and near the downtown.

      2.   Permitted Uses: The uses permitted in the R-4 central core residential district are set forth in table 1, "Residential Districts Use Matrix", of this section.

      3.   Conditional Uses: The uses allowed as conditional uses in the R-4 central core residential district, pursuant to section 12-3-4, "Conditional Uses", of this title, are set forth in table 1, "Residential Districts Use Matrix", of this section.

      4.   Bulk Regulations: The bulk regulations that apply to the R-4 central core residential district are listed within table 2, "Residential Districts Bulk Matrix", of this section.

      5.   Dwelling Unit Standards: The minimum floor area for dwelling units in the R-4 central core residential district shall be as follows:

 

Number Of Bedrooms	Minimum Floor Area(Square Feet)
Efficiency dwelling units	550
1 bedroom unit	650
2 bedroom unit	800
3 bedroom unit	1,150
Each additional bedroom over 3 bedrooms	Additional 300

 

   H.   Horse Barn Overlay District:

      1.   General Purpose: The purpose of this subsection H is to establish reasonable and uniform regulations, safeguards and controls for keeping and maintaining horses within as an existing, nonconforming use within the city. The horse barn overlay district shall be considered an overlay district and applies only to property located in an underlying R-1 district. Except for the supplemental regulations related to the keeping of horses described in this subsection H, all other uses shall comply with the regulations applicable to the underlying R-1 Zoning District.

      2.   Permitted Uses, Generally: The uses specified as permitted in the Horse Barn Overlay District shall be considered permitted as of right on a property in an R-1 District where there currently exists a legal, nonconforming use allowing the keeping of horses. Stalls may be rented for noncommercial use. Commercial uses associated with the keeping of horses shall not be allowed, including, but not limited to, riding lessons, horse rentals, and horse shows.

      3.   Horse Barns, Permitted Uses:

         a.   Horse barns may be constructed, altered or enlarged on legal, nonconforming residential lots of one-half (1/2) acre or more (21,780 square feet).

         b.   The maximum area of coverage of the horse barn shall be one thousand five hundred (1,500) square feet and have a separate outdoor corral area of at least one thousand five hundred (1,500) square feet.

         c.   The maximum height of the horse barn/stable shall be no higher than twenty four feet (24').

         d.   Minimum setback shall be ten feet (10') from the side and rear property lines; twenty feet (20') from any residential unit. No horse barns shall be allowed in the front yard.

         e.   Each horse stall within a horse barn shall be a minimum of twelve feet by twelve feet (12'x12') and house only one horse at a time.

         f.   Each horse barn shall be kept in a clean, sanitary condition, and in compliance with all health, sanitation, nuisance, and animal control ordinances of the City. (Ord. Z-11-09, 3-2-2009)

   I.   Residential Use Matrix:

TABLE 1

RESIDENTIAL DISTRICTS USE MATRIX

P = Permitted use

C = Conditional use permit required

Uses	R-1	R-2	R-3	R-4
Accessory uses and structures	P	P	P	P
Assisted living facilities			C	C
Bed and breakfast establishments		C	P	P
Childcare centers				C
Congregate housing			C	C
Convents, monasteries, rectories and parish houses	C	C	P	P
Dwellings, multiple-family			P	P
Dwellings, single-family detached	P	C2	C2	C2
Dwellings, townhouse			P	P
Dwellings, two-family		P
Forest preserves	P	P	P	P
Home occupations	P	P	P	P
Libraries, public	P	P	P	P
Parks, inclusive of playgrounds	P	P	P	P
Planned developments	C	C	C	C
Residential care homes:
Large	C	C	P	P
Small	P	P	P	P
Residentially zoned assembly uses	C1	C1	C	C
Schools, private - elementary and high school	P	P	P	P
Schools, public - elementary and high school	P	P	P	P
Transitional treatment facilities				C

 

   Note:

      1.   On sites of 1 acre or more with frontage on a collector or arterial street.

      2.   Only single-family detached dwellings that were lawfully constructed prior to August 17, 2020 and are located in a zoning district other than R-1 may, but are not required to, apply for a conditional use in order to bring the use of the legally nonconforming property into conformance with the Zoning Ordinance.

   J.   Residential Bulk Matrix:

TABLE 2

RESIDENTIAL DISTRICTS BULK MATRIX

Bulk Controls		R-1	R-2	R-3	R-4
Maximum height		21/2 stories to 35 ft.	21/2 stories to 35 ft.	45 ft.	80 ft.
Minimum front yard		25 ft.	25 ft.	25 ft.	12 ft.
Minimum side yard		5 ft.	5 ft.	Buildings 35 ft. and under: 5 ft. Over 35 ft.: 10 ft.	5 ft., plus 2 ft. for every 10 ft. over 40 ft.
Minimum rear yard		25 ft. or 20% of lot depth, whichever is less	25 ft. or 20% of lot depth, whichever is less	Buildings 35 ft. and under: 25 ft. or 20% of lot depth, whichever is less Buildings over 35 ft.: 30 ft.	Buildings 40 ft. and under: 25 ft. or 20% of lot depth, whichever is less Buildings over 40 ft.: 25 ft., plus 2 ft. for every 10 ft. over 40 ft.
Maximum rear yard coverage		60%1	n/a	n/a	n/a
Minimum lot width:
	Interior	55 ft.	45 ft.	45 ft.	50 ft.
	Corner	65 ft.	55 ft.	55 ft.	50 ft.
Minimum lot area:
	Interior	6,875 sq. ft.	2,800 sq. ft. per DU	2,800 sq. ft. per DU	10,000 sq. ft.2
	Corner	8,125 sq. ft.	6,875 sq. ft.	2,800 sq. ft. per DU	10,000 sq. ft.2
Maximum building coverage:
	Interior	30%	30%	n/a	n/a
	Corner	35%	35%	n/a	n/a
Minimum corner side yard		10 ft.3	10 ft.	10 ft.	10 ft.

 

   Notes:

      1.   To determine rear yard coverage for a detached single-family residential property, the area of the rear yard shall be the horizontal distance of the lot taken from the rear-most elevation of the principal building multiplied by the distance from the rear-most elevation of the principal structure to the rear lot line. For irregularly shaped lots, the area of the rear yard shall start from the rear-most elevation of the principal building and cover all areas of the property from this elevation to the rear lot line(s) of the subject property. See chapter 13 of this title, definition of "rear yard coverage" for improvements that are calculated under this regulation.

      2.   The minimum lot area for a zoning lot in the “R-4 Central Core Residential District” shall be either 10,000 square feet or shall be determined by the total sum of the required minimum lot area of each dwelling unit on the zoning lot in accordance with the following table, whichever is greater:

      3.   Where a lot is defined as a corner lot, the required front yard and corner side yard shall be observed; provided, however, that the minimum corner side yard may be reduced to allow for a buildable width of thirty feet (30') for a single family detached dwelling unit in the R-1 district. In no instance shall the minimum corner side yard setback be reduced to less than five feet (5'). No accessory building or roofed structure shall encroach into the required front yard and corner side yard setback; except where permitted pursuant to section 7-1.C of this title, and provided, however, structures and buildings lawfully established prior to June 17, 2019 that do not meet the front yard or corner side yard setbacks shall be considered legal non-conforming and may remain and be maintained pursuant to section 5-6 of this title.

 

Number Of Bedrooms	Minimum Lot Area(Square Feet)
Efficiency dwelling unit	600
1 bedroom	700
2 bedrooms	800
3 bedrooms	1,000
More than 3 bedrooms	1,500

 

(Ord. Z-8-98, 9-21-1998; amd. Ord. Z-11-09, 3-2-2009; Ord. Z-7-3, 5-20-2013; Ord. Z- 30-16, 12-5-2016; Ord. Z-10-18, 5-21-2018; Ord. Z-31-18, 10-15-2018; Ord. Z-36-18, 12-3-2018; Ord. Z-15-19, 7-1-2019; Ord. Z-19-20, 9-8-2020)