Chicago, IL Zoning

29 districts. 6 overlays.
This profile is an earlier edition — some fields may be incomplete. An updated profile is in progress.

Districts

cbd 9res_sf 5res_mf 5com 4ind 3mu 3
CodeNameCategory Min lotHeight CoverageFAR Du/acParking Setbacks F/S/R
RS-1Residential Single-Unit 1res_sf5,000 sf30 ft0.50.58.7225 / 25 / 10
RS-2Residential Single-Unit 2res_sf5,000 sf30 ft0.50.714.5225 / 25 / 10
RS-3Residential Single-Unit 3res_sf5,000 sf30 ft0.50.917.4225 / 25 / 10
RT-3.5Residential 3.5res_sf5,000 sf30 ft0.51.0534.8225 / 25 / 10
RT-4Residential 4res_sf5,000 sf38 ft0.51.243.6225 / 25 / 10
RM-4.5Residential Multi-Unit 4.5res_mf5,000 sf45 ft0.51.762.2225 / 25 / 10
RM-5Residential Multi-Unit 5res_mf5,000 sf45 ft0.52108.9225 / 25 / 10
RM-5.5Residential Multi-Unit 5.5res_mf5,000 sf47 ft0.52.5108.9225 / 25 / 10
RM-6Residential Multi-Unit 6res_mf5,000 sf35 ft0.54.4145.2225 / 25 / 10
RM-6.5Residential Multi-Unit 6.5res_mf5,000 sf35 ft0.50.5225 / 25 / 10
Neighborhood ShoppingB1com5,000 sf35 ft0.50.5225 / 25 / 10
Neighborhood Mixed-UseB2com5,000 sf35 ft0.50.5225 / 25 / 10
Community ShoppingB3com5,000 sf35 ft0.50.5225 / 25 / 10
[Note]com5,000 sf35 ft0.50.5225 / 25 / 10
Neighborhood CommercialC1cbd5,000 sf35 ft0.50.5225 / 25 / 10
Motor Vehicle-RelatedC2cbd5,000 sf35 ft0.50.5225 / 25 / 10
CommercialC3cbd5,000 sf35 ft0.50.5225 / 25 / 10
ManufacturingC3cbd5,000 sf35 ft0.50.5225 / 25 / 10
EmploymentC3cbd5,000 sf35 ft0.50.5225 / 25 / 10
Downtown CoreDCcbd5,000 sf35 ft0.50.5225 / 25 / 10
Downtown Mixed-UseDXcbd5,000 sf35 ft0.50.5225 / 25 / 10
Downtown ResidentialDRcbd5,000 sf35 ft0.50.5225 / 25 / 10
Downtown ServiceDScbd5,000 sf35 ft0.50.5225 / 25 / 10
Limited Manufacturing / Business ParkM1ind5,000 sf35 ft0.50.5225 / 25 / 10
Light IndustryM2ind5,000 sf35 ft0.50.5225 / 25 / 10
Heavy IndustryM3ind5,000 sf35 ft0.50.5225 / 25 / 10
PMDPlanned Manufacturing Districtmu5,000 sf35 ft0.50.5225 / 25 / 10
PDPlanned Developmentmu5,000 sf35 ft0.50.5225 / 25 / 10
Parks and Open Spacemu5,000 sf35 ft0.50.5225 / 25 / 10

Confidence: confirmed partial under review not found

Overlays

§17-7-0200
Near North Historic Overlay District No. 1
HP

Applies to: Residential, Commercial, Office, Mixed-Use

height multiplier-0.05
setback addition (ft)5
§17-7-0300
Near North Historic Overlay District No. 2
HP

Applies to: Residential, Commercial, Office, Mixed-Use

height multiplier-0.15
FAR multiplier-0.1
coverage adjustment (%)-5
setback addition (ft)5
§17-7-0401
North Branch Corridor
COR

Applies to: Residential, Commercial, Office, Mixed-Use

height multiplier-0.05
FAR multiplier0.05
§17-7-xxxx
Lakefront Protection
spec

Applies to: Residential, Commercial, Mixed-Use, Office

coverage adjustment (%)-10
setback addition (ft)15
§17-7-1501–17-7-1502
Milwaukee Avenue Special Character
CON

Applies to: Residential, Commercial, Office, Mixed-Use

coverage adjustment (%)-10
density multiplier-0.2
lot size multiplier0.15
§17-7-0562
Adult Use Cannabis Dispensary Exclusion Zone
spec

Applies to: Residential, Commercial, Office, Mixed-Use

height multiplier-0.05

Adopted building codes

No statewide building code

Local adoption
Local adoption
Local adoption
Local
IECC (Residential)
2024
IECC (Commercial)
2024

Click a code label to open its state-by-state adoption atlas.

Formulas

Definitions

height
Grade to highest point of structure.
lot_coverage
Building footprint / lot area.
far
Gross floor area / lot area.
du_ac
Dwelling units per gross acre.
setback_front
Front property line to nearest building face.
setback_side
Side property line to nearest building face.
setback_rear
Rear property line to nearest building face.
parking
Spaces per dwelling unit unless noted.

Capacity calculations

max_footprint_sf
lot_area_sf * lot_coverage
max_gfa_sf
lot_area_sf * far
buildable_width_ft
lot_width_ft - setback_side_ft * 2
buildable_depth_ft
lot_depth_ft - setback_front_ft - setback_rear_ft
max_stories_approx
max_height_ft / 10

Massing explorer

Interactive 3D comparison across every district. Drag to orbit, scroll to zoom, use the slider to walk districts, and toggle applicable overlays in the right-side panel.

Sort by
LOW
HIGH
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Max height
ft
Floor area ratio
Lot coverage
%
Setbacks (F / S / R)
ft
Parking
/unit
Max density
du/ac
Min lot size
sf
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District Category Height FAR Coverage Setbacks Parking Density Min lot Overlays

Research status

Data quality

41%completeness44 confirmed64 partial
Documented gaps
  • Quirks not populated — requires markdown source review

Known issues

schema:v1-legacypriority:lowdata:gaps-present

Other cities in this state

Nearest-alphabetical profiles. Click through to compare zoning patterns side-by-side.