O'Fallon, MO Building Safety: Electrical Permits (2026)
Key Facts
- Adopted code
- NEC 2020 Edition
- Governing section
- O'Fallon Code § 500.190
- Contractor licensing
- St. Charles County or Missouri
- Max fine
- $500 per offense
- Max jail term
- 3 months
- Administration follows
- Building Code Appendix K
Summary
O'Fallon has adopted the 2020 National Electrical Code as its Electrical Code, covering the design, installation and repair of electrical systems citywide, and requires a permit for that work. Every contractor who wants to do electrical work in the city must first pass an exam and hold an active license from St. Charles County or the State of Missouri.
That certain document, ... being marked and designated as the National Electric Code, 2020 Edition, as published by the National Fire Protection Agency, be and is hereby adopted as the Electrical Code of the City of O'Fallon, in the State of Missouri, for regulating and governing the design, construction, quality of materials, erection, installation, alteration, repair, location, replacement, addition to, use or maintenance of electrical systems as herein provided; ... providing for the issuance of permits and collection of fees therefor ... 90.1 (E) Licensing of electrical contractors. Any contractor wishing to enter into the electrical business within the City of O'Fallon shall first be duly examined and be successfully passed and licensed by St. Charles County, Missouri, or the State of Missouri and hold an active license.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4860992; v58 updated 2026-05-14; through 05-14-2026).
Full Breakdown
190 adopts the National Electrical Code, 2020 Edition, as published by the National Fire Protection Agency, as O'Fallon's Electrical Code, governing the design, construction, quality of materials, erection, installation, alteration, repair, location, replacement, addition to, and maintenance of electrical systems, and providing for the issuance of permits and collection of fees. 200. That same amendment section requires every electrical contractor doing business in the city to first pass an exam and hold an active license from either St. 1(F), that all electrical repairs, alterations and installations be executed in a workmanlike manner consistent with the code, industry standards and manufacturer instructions. 220.
Violations & Fines
Installing electric work that violates an approved plan, a Building Official directive, or the terms of a permit issued under the Electrical Code is punishable under Section 500.220 by a fine of up to $500, imprisonment of up to three months, or both, with each day a violation continues charged as a separate offense.
Frequently Asked Questions
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Sources & Official References
Other rules in O'Fallon
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