Chicago Home-Rule Zoning Authority (MCC Title 17) (IL)
Tracked preemption from the Illinois overlay bundle.
Overview
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Effective
1971-07-01
Sunset
—
Authority
state
Scope
state:IL
Other Illinois preemptions
Illinois Connected Communities Act (HB 4083 / SB 2352) — PendingIllinois STR Statewide Registry (HB 3713) — PendingIllinois Commercial Wind Facility Zoning Preemption (PA 102-1123)Illinois Commercial Solar Facility Zoning Preemption (PA 102-1123)Illinois Hotel Operators' Occupation Tax — Short-Term Rental ReachIllinois Affordable Housing Planning and Appeal ActIllinois Property Tax Code — Class L Landmark Rehabilitation IncentiveIllinois Manufactured Housing Anti-Exclusion
Trigger predicate
When this evaluates true for a parcel, the law's preempted fields take precedence over base zoning.
city.is_chicago == TruePreempted fields
4 fields on the base district schema are rewritten when the trigger fires.
| Field | Op | Value | Note |
|---|---|---|---|
review_type | override | chicago_mcc_title_17_home_rule | Chicago zones under MCC Title 17 grounded in Art. VII §6 home-rule authority; state enabling act §§11-13-1 to 11-13-14 do not bind. |
base_districts[*].inclusionary_zoning_authority | override | home_rule_local | Affordable Requirements Ordinance (MCC 2-45-115 / Connected Communities Ordinance 2022) is home-rule; no state framework. |
base_districts[*].adu_authority | override | home_rule_local | Chicago ADU pilot (2021) and expansions are home-rule; no state mandate. |
base_districts[*].str_authority | override | home_rule_local_mcc_4_13_4_14 | Shared Housing Unit Operator license under MCC 4-13/4-14; survived Mendez v. City of Chicago (N.D. Ill. 2018). |
Citation
Authority source
Ill. Const. Art. VII §6 + Chicago Municipal Code Title 17
§ Chicago MCC Title 17 (Zoning); Title 2 Ch. 2-120 (Landmarks); Ch. 2-45-115 (ARO); Ch. 4-13/4-14 (STR)
Research notes
Marquee Chicago carveout consolidating the city's home-rule zoning authority. Chicago is home-rule (population well over 25,000) and operates entirely under its own code. State statutes that reach Chicago: Mechanics Lien Act, Plat Act recording, Accessibility Code floor, Property Tax Class L (via Cook County Assessor), wind/solar (PA 102-1123 if applicable), Affordable Housing Planning & Appeal Act.