Bulk and density standards.
Municipal Code of Chicago § 17-5-0400
in effect17-5-0400 Bulk and density standards.
17-5-0401 General. Bulk and density standards in the M districts vary according to the type of district or applicable bulk designation. Bulk designations are indicated by the numeral following the dash (–) in the district name, as in "M1-2" (M1 dash 2).
17-5-0402 Lot Area. There are no minimum lot area standards in the M districts.
17-5-0403 Lot Frontage. There are no minimum lot frontage standards in the M districts.
17-5-0404 Floor Area Ratio. All development in M districts is subject to the following maximum floor area ratio standards:
District | Maximum Floor Area Ratio*
Dash 1 | 1.2
Dash 2 | 2.2
Dash 3 | 3.0
(*See Sec. 17-17-0305 for rules governing the measurement of floor area ratio.)
17-5-0405 Setbacks.
17-5-0405-A Front and Side Setbacks. No front setback or side setback is required in M districts, except in the following cases:
1. All industrial parks and business parks within the M1 district must provide a landscaped setback along all property lines that abut public streets. This setback must be at least 10 feet in width.
2. M-zoned lots that are across the street from an R district must provide a setback along the street property line opposite the R district at least equal to the minimum front setback required on the R- zoned lot on the opposite side of the street.
Figure 17-5-0405-A2
[image omitted; see the official code]
3. M-zoned lots abutting R-zoned lots with street frontage along the same street must provide a front setback or street side setback at least equal to the minimum front setback required on the abutting R- zoned lot.
Figure 17-5-0405-A3
[image omitted; see the official code]
17-5-0405-B Rear Setbacks. No rear setback is required in M districts, except when the rear property line of an M-zoned site abuts the side property line or rear property line of a lot in an R district or is separated from an R district rear property line by an alley, the minimum rear setback on the M-zoned property is 30 feet. (See Sec. 17-17-0307 for rules governing the measurement of rear setbacks.)
Figure 17-5-0405-B
[image omitted; see the official code]
(Added Coun. J. 5-26-04, p. 25275)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2681780Fetched: 10/24/2026