For AI agents: read the machine-readable documentation index at /llms.txt or the single-file full reference at /llms-full.txt.
Form a Business

Three to five stories.

Municipal Code of Chicago § 14X-5-502.7.2
in effect
Sign in to generate a plain English summaryAsk Belisarius Agent
14X-5-502.7.2 Three to five stories. In other than Group I-2 occupancies, interior vertical openings connecting three to five stories must be protected by either 1-hour fire-resistance-rated construction or an automatic sprinkler system must be installed throughout the building in accordance with the Chicago Building Code. Exceptions: 1. Vertical opening protection is not required for Group R-3 and R-5 occupancies. 2. Vertical opening protection is not required within parking garages and parking facilities. 3. Conditions allowed by the Chicago Building Code for new construction or conditions permitted under the Chicago Building Rehabilitation Code.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2675672Fetched: 10/24/2026

Starting a business in Illinois? Illinois LLC guide: costs and requirements

14X-5-502.7.2 | Corpus