Minimum floor area.
Municipal Code of Chicago § 14X-4-402.3
in effect14X-4-402.3 Minimum floor area.
Every dwelling unit must contain at least the net floor area specified in Table 14X-4-402.3 for the number of occupants.
Table 14X-4-402.3 Minimum Unit Area Requirements
NUMBER OF OCCUPANTS | MINIMUM AREA IN SQUARE FEET
1 | 125
2 | 250
3 | 350
4 | 450
5 | 525
each additional | add 75
For SI: 1 square foot = 0.0929 m 2.
(Amend Coun. J. 2-19-20, p. 14473, Art. V, § 10)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2675564Fetched: 10/24/2026