Chicago, IL Fire Regulations: Propane Storage (2026)
Key Facts
- Banned indoors
- Assembly, Business, Institutional occupancies
- Apartment/condo cutoff
- Occupant load over 20 persons
- Building aggregate limit
- 300 lbs LP-gas
- Single container limit
- 100 lbs
- Mercantile exception
- Up to 50 one-lb cylinders
Summary
Chicago bans storing or using LP-gas inside most buildings and covered outdoor areas, including large apartment buildings with an occupant load over 20 people.
Except as provided in Sections 15-26-545, 15-26-547, 15-26-550, and
15-26-570, the storage, handling, keeping, or using of any liquefied petroleum gas for any purpose is not permitted inside or in any covered outdoor area of any building or structure containing in whole or in part: (i) a Group A, B, E, or I occupancy; (ii) a Group M occupancy except that up to 50 one-pound cylinders may be stocked for resale to the general public; or (iii) a Group R occupancy with an occupant load exceeding 20 persons. (Coun. J. 12-9-92, p. 25465; Amend Coun. J. 2-7-96, p. 15616; Amend Coun. J. 1- 9-08, p. 18935, § 1; Amend Coun. J. 10-7-20, p. 21791, Art. VI, § 58)
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-74: Current through Council Journal of June 17, 2026).
Full Breakdown
Municipal Code of Chicago § 15-26-540 bars storing, handling, keeping, or using liquefied petroleum gas inside or in any covered outdoor area of buildings with Assembly, Business, Educational, or Institutional occupancies, and bars it in Group R (residential) occupancies with an occupant load over 20 persons: covering most apartment and condo buildings. Where LP-gas is allowed (smaller residences, exempted uses), § 15-26-580 caps total building storage at 300 pounds and § 15-26-590 caps any single container at 100 pounds. The ban applies to covered outdoor spaces like balconies, not open uncovered ground.
Violations & Fines
Storing or using LP-gas/propane in a banned occupancy, or exceeding the 300-lb aggregate or 100-lb single-container limits, is a Fire Prevention Code violation enforced by the Chicago Fire Department, with fines and removal of the cylinders.
Frequently Asked Questions
Can I keep a propane tank on my Chicago balcony?
Is a small house exempt from Chicago's propane ban?
Sources & Official References
Other rules in Chicago
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Propane Storage in Nearby Cities
How other cities in Cook County handle propane storage.