Ohio Construction Industry Licensing Board (OCILB): What It Covers and How to Apply

What the OCILB Actually Does

The Ohio Construction Industry Licensing Board is a division of the Department of Commerce's Division of Industrial Compliance. It regulates exactly five commercial specialty trades under ORC Chapter 4740: electrical, HVAC, hydronics, plumbing, and refrigeration. That's it. General contracting, roofing, framing, masonry, demolition, and residential remodeling are not under its jurisdiction.

The board issues what are commonly called "master licenses" — credentials tied to individual tradespeople, not companies. A license holder assigns their credential to a single contracting entity, and that assignment can only cover one company at a time.

OCILB License Requirements

Experience: Five years of verified, trade-specific work experience immediately preceding your application date. You prove this with W-2 forms, IRS Schedule C filings, or Schedule K-1 documents. You also need one supplementary item: five consecutive years of trade permits, a valid journeyman card, an apprenticeship completion certificate from an Ohio-approved program or the U.S. Department of Labor, or 40 hours of approved continuing education completed within the past year.

Ohio-registered Professional Engineers with three years of construction experience in the relevant trade can also qualify.

Background check: BCI (state) and FBI (federal) fingerprint-based background checks, valid for one year. If your application process drags past twelve months, you have to redo them.

Exams: Two computer-based exams administered by PSI Services — a trade-specific exam and a business and law exam. The business and law section has 50 open-book questions with a two-hour time limit. You need a 70% passing score on each. Exam fees are $69 per test or $100 if you take both in the same session. If you fail, there's a 60-day waiting period before you can retake. After five failures, your exam eligibility is revoked and you must reapply to the Board.

Insurance: At least $500,000 in commercial general liability, issued in the exact name of the contracting company. The OCILB must be listed as certificate holder.

Fees: $25 application fee per trade, $25 license issuance fee.

Renewal and Escrow

OCILB licenses renew either annually ($60) or triennially through the elicense4.com.ohio.gov portal. Continuing education requirements are 8 hours per year (24 hours for triennial), with a cap of 4 hours per year of self-paced online courses. Electrical licensees must spend at least half their CE hours on code courses.

If you need to step away from the trade temporarily, you can place your license in escrow for $60/year. While escrowed, you're exempt from CE and insurance requirements. Reactivation requires up to 24 hours of CE and proof of $500,000 liability coverage.

What the OCILB Doesn't Cover

The most important thing to understand about the OCILB is its boundaries. If you're a general contractor building houses, a residential remodeler, a roofer, or another non-OCILB contractor, your primary compliance path runs through local municipal building departments. Local jurisdictions may still require a state commercial credential for some residential specialty work. And even if you hold an OCILB license, you still need to register locally in every municipality where you pull permits.

Our Ohio General Contractor License Guide maps out both the state OCILB track and the local municipal registration track, so you can see exactly which path applies to your trade.

See more Ohio guides →