Who enforces each one, what edition applies, and what changes next. 5 of 7 areas verified on primary sources. OSHA state plan: Illinois State Plan (Illinois OSHA, Illinois Department of Labor) - covers state and local government employees only; private-sector employers are under federal OSHA.
| Area | In force | Authority | Next |
|---|---|---|---|
| Fire | NFPA 101 Life Safety Code (2015 edition) as adopted with state modifications in 41 Ill. Adm. Code 100 (Fire Prevention and Safety), effective Jan 1, 2020OSFM replaced NFPA 101 (2000) with the 2015 edition effective Jan 1, 2020; buildings built after that date are 'new' occupancies. Localities may enforce equal-or-stricter codes (Chicago, home-rule towns), which apply alongside the state rule. SourceVerified on the source | Office of the State Fire Marshal (Division of Fire Prevention and Building Safety); local fire officials enforce under OSFM direction or under their own equal-or-higher local codes; public schools (ISBE) and licensed health facilities (IDPH) are inspected by other agencies | In force |
| Building | No single state-written code; Capital Development Board Act baseline (Public Act 103-0510) effective Jan 1, 2025: IBC + IEBC (current or immediately preceding edition) apply where a municipality/county has no code, and adopted local codes must be at least as stringentSince Jan 1, 2025, jurisdictions without a code default to IBC/IEBC (Chapters 11, 13, 29 replaced by the Illinois Accessibility, Energy Conservation and Plumbing Codes). The state does no plan review, permitting or inspection of privately funded projects. SourceVerified on the source | Municipal and county building officials (local AHJs); Capital Development Board administers the statewide baseline, the 30-day code-adoption reporting requirement, the Illinois Energy Conservation Code (2024 IECC-based, effective Nov 30, 2025) and the Illinois Accessibility Code | In force |
| Elevators | Elevator Safety and Regulation Act (225 ILCS 312) + 41 Ill. Adm. Code 1000 (amended effective Dec 28, 2023): ASME A17.1-2019/CSA B44-19, A17.3-2005, A17.7-2007 (R2017), A18.1-2017, QEI-1-2018 (editions read from LII mirror)OSFM registers, inspects and certifies conveyances outside Chicago; certificates of operation renew annually (3-year option for some religious buildings). Current rule requires fire-service initiating devices tested every 5 years with inspector witnessing. Editions taken from a mirror, not ILGA. SourceReported, in verification | OSFM Elevator Safety Division and Elevator Safety Review Board; OSFM-licensed elevator inspectors and inspection companies perform inspections; City of Chicago runs its own program under home rule | A17.1-2019; 2022 update withdrawn |
| Boilers | Boiler and Pressure Vessel Safety Act (430 ILCS 75) + 41 Ill. Adm. Code 2120 (recodified from Part 120; amended effective Apr 13, 2026, adopting ASME BPVC 2025, NBIC 2025, CSD-1 2024, API-510 11th ed.)Owners must register equipment and have it inspected: power and high-temperature water boilers annually (internal), low-pressure heating and hot-water supply boilers every 2 years, pressure vessels every 3 years. First inspections by state inspectors; insurer inspectors may follow. SourceVerified on the source | OSFM Boiler and Pressure Vessel Safety Division (state deputy inspectors) and commissioned insurance-company inspectors; certificate of inspection issued after fees are paid; residences and buildings under 6 dwelling units exempt | In force |
| Pools | Swimming Facility Act (210 ILCS 125) and Swimming Pool Safety Act (210 ILCS 130) + Swimming Facility Code, 77 Ill. Adm. Code 820IDPH licenses roughly 3,500 public pools, spas and water slides (including hotel and apartment pools) annually, requires construction permits with plan approval, and inspects directly or through local health departments (Chicago Park District in Chicago). SourceVerified on the source | Illinois Department of Public Health, Division of Environmental Health; delegated local health departments; Chicago Park District within Chicago | In force |
| Lodging | No statewide hotel license or state lodging inspection program found; statewide hotel mandates: Lodging Services Human Trafficking Recognition Training Act (PA 101-0018), Hotel and Casino Employee Safety Act (820 ILCS 325, panic devices), Smoke Detector Act alarms for hearing-impaired guestsHotel staff need 20-minute trafficking-recognition training within 6 months of hire and every 2 years; hotels must give staff working alone in guest rooms/restrooms a panic device and adopt anti-harassment policies; portable alarms for hearing-impaired guests, one per 75 units. SourceReported, in verification | No state licensing agency; IDHS supplies the trafficking-training curriculum; panic-device act enforced by employee civil action; OSFM and local fire officials for smoke-detector and life-safety rules; municipalities and counties (e.g., Chicago) license and inspect lodging locally | In force |
| Workplace | Illinois State Plan covers state and local government employees only; private employers (hotels, HOAs, facilities) are under federal OSHAOSHA lists Illinois as an approved State Plan covering state and local government workers; private-sector employers and their workers are covered by federal OSHA. SourceVerified on the source | U.S. Department of Labor - OSHA (private sector); Illinois Department of Labor - Illinois OSHA (public sector only) | In force |
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