Lead-Hazard Inspections: Chicago vs Oak Lawn
How do lead-hazard inspections rules compare between Chicago, IL and Oak Lawn, IL?
Chicago and Oak Lawn have similar restriction levels.
Chicago, IL
Cook County
CDPH enforces Chicago's lead-hazard rules under MCC 7-4 in tandem with the Illinois Lead Poisoning Prevention Act 410 ILCS 45. Buildings constructed before 1978 with children under six face mandatory inspection and abatement when blood-lead levels are elevated.
View full Chicago rules →Oak Lawn, IL
Cook County
Illinois Lead Poisoning Prevention Act 410 ILCS 45 and Cook County Department of Public Health Childhood Lead Program require lead inspections in pre-1978 rentals where children with elevated blood levels are identified. Property owners must mitigate identified hazards within statutory timelines.
View full Oak Lawn rules →Key Facts Comparison
| Fact | Chicago | Oak Lawn |
|---|---|---|
| City code | MCC 7-4-040 | - |
| State statute | 410 ILCS 45 | 410 ILCS 45 |
| Trigger BLL | 3.5 micrograms per deciliter | - |
| Abatement window | 90 days from order | - |
| Disclosure code | MCC 5-12-100 | - |
| Trigger threshold | - | Blood lead 3.5 micrograms |
| Abatement deadline | - | 90 days post-notice |
| Property age | - | Pre-1978 rentals |
Highlighted rows indicate differences between cities.
Chicago FAQ
When does Chicago test a rental for lead?
After a child under six in the unit screens at or above 3.5 micrograms per deciliter blood lead. CDPH conducts environmental investigation within 30 days and issues abatement orders if paint, dust, or water hazards are confirmed.
Must landlords disclose lead before leasing?
Yes. Federal Title X disclosure plus Chicago's MCC 5-12-100 require pre-1978 landlords to provide the EPA Protect Your Family pamphlet and disclose any known lead-based paint or hazards before tenants sign.
Oak Lawn FAQ
Who pays for lead abatement in Cook County rentals?
The property owner is legally responsible. Cook County Healthy Homes and IHDA Lead Safe Homes grants help income-qualified owners cover costs in suburban Cook units.
Must I disclose known lead hazards to tenants?
Yes. Federal Title X requires disclosure at every new lease and renewal in pre-1978 rentals. Illinois law adds state-level penalties for non-disclosure of known hazards.
Compare other topics
See how Chicago and Oak Lawn compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool