§ 155-3.30  LOT AND BUILDING REGULATIONS.
   (A)   General.  This section establishes basic lot and building regulations that apply in residential districts.  These regulations offer certainty for property owners, developers and neighbors about the limits of what is allowed; they are not to be construed as a guarantee that maximum allowed densities and development yields can be achieved on every lot. Other factors, such as topography, the presence of protected resources, health department requirements for well and septic, off-street parking and other factors may work to further limit actual development potential.
   (B)   Basic standards.  The lot and building standards of the following table apply to all principal and accessory uses allowed in residential districts, unless otherwise expressly stated in this zoning ordinance.  See § 155-18.10 for exceptions to these standards and rules for measuring compliance.
 
Legend
Lot and Building Standards
E-1
E-2
R-1
R-2
R-2A
R-3
R-4
R-5
R-6
L1
Minimum Lot Area (square feet)
215,000
105,000
60,000
40,000
30,000
20,000
12,500
10,000
10,000
 
Minimum Lot Area Per Unit (sq. ft.)[1]
NA
NA
NA
NA
NA
NA
NA
NA
3,200
L2
Minimum Lot Frontage (feet)
300
180
165
150
120
90
70
70
60
 
Minimum Setbacks (feet) 
S1a
   Street (from CL of non-
dedicated road)
100
100
90
80
80
80
80
80
80
S1b
   Street (from ROW of dedicated road)
67
67
57
47
47
30
30
30
30
S2
   Side
20
20
15
10
10
10
10
5
5/10[2]
S3
   Rear
80
80
70
40
40
40
30
25
25
S4
   Rear (Accessory Structures)
5
5
5
5
5
5
5
5
5
 
Minimum Setbacks for Animal Confinement Buildings (feet)[3]
50
50
50
50
   Same as other buildings (above)
B1
Maximum Building Coverage (%)[5]
20
20
20
20
25
30
40
45
45
B2
Maximum Acc. Building Area (sq. ft.)[5]
3,000[4]
3,000[4]
1,800
1,800
1,800
1,500
1,200
1,200
1,200
 
Maximum Building Height (feet)
 
   Accessory Buildings
25
25
25
25
25
25
25
25
25
 
   All Other
   As regulated by Will County Building Ordinance
35
40
[1]     This minimum lot area per unit standard applies only to multi-unit buildings
[2]     Minimum side setback is 5 feet for buildings up to 30 feet in height; 10 feet for buildings above 30 feet in height.
[3]     Setback required from all lot lines. See also § 155-10.10(B)(2).
[4]     Does not apply to stables.
[5]   Area of accessory, ground-mounted solar energy systems for personal household use and beehives are not included in building coverage limits.
 
 
(Ord. effective 10- 1-2012; Ord. 18-1, passed 1-18-2018; Ord. 18-192, passed 10-18- 2018; Ord. 19-88, passed 4-18-2019)