How to Get Your Hazmat (CDL) Endorsement in Ohio
Governing body, experience requirements, exam details, and step-by-step instructions for Ohio. Last verified: February 2026.
Quick Facts
Hours Required
No minimum hours
Exam
OH CDL Hazmat Knowledge Test
Fee Range
~$27.50 [VERIFY]
Governing Body
OH BMV
Requirements
To add a Hazardous Materials (H) endorsement to an Ohio CDL, applicants must hold a valid Ohio CDL, complete the TSA Hazmat Threat Assessment (federal background check via IDEMIA), pass the Ohio BMV Hazmat written knowledge test, and pay the endorsement fee. The endorsement renews with the CDL.
Steps to Apply
- 1
Hold a valid Ohio Commercial Driver License (CDL) Class A, B, or C.
- 2
Complete the TSA Hazmat Threat Assessment at universalenroll.dhs.gov and pay the federal fee (~$86.50).
- 3
Provide fingerprints at an approved location for the TSA background check.
- 4
Receive TSA approval and visit an Ohio BMV Deputy Registrar to take the Hazmat written knowledge test.
- 5
Pay the Ohio BMV endorsement fee (~$27.50) and receive your updated CDL with the H endorsement.
Exam Details
The Ohio BMV Hazmat knowledge test covers DOT hazardous materials regulations including proper shipping names, placarding, labeling, loading/unloading requirements, and emergency response procedures. It is administered at Ohio BMV Deputy Registrar locations. [VERIFY current question count and passing score with the Ohio BMV]
Fees & Costs
Estimated total: ~$27.50 [VERIFY]
The TSA Hazmat Threat Assessment fee is approximately $86.50 (federal, paid to IDEMIA). The Ohio BMV CDL endorsement fee is approximately $27.50 [VERIFY current OH BMV CDL endorsement fee at bmv.ohio.gov]. Total estimated cost: ~$115.
Frequently Asked Questions
How long does the Ohio Hazmat CDL endorsement last?
The Hazmat endorsement in Ohio renews with your CDL. Ohio CDLs are valid for 4 years. A new TSA Hazmat Threat Assessment background check is required at each renewal.
Where do I take the Hazmat CDL knowledge test in Ohio?
Ohio CDL knowledge tests, including the Hazmat test, are administered at Ohio BMV Deputy Registrar locations that handle CDL transactions. Not all locations offer CDL testing — check bmv.ohio.gov for participating locations.
What is on the Ohio Hazmat CDL knowledge test?
The test covers DOT hazardous materials regulations: shipping papers, proper shipping names, hazard classes, placarding, labeling, loading and segregation rules, and emergency response. The Ohio test is based on the federal CDL knowledge test standards.
Start Studying Now
CDL Hazmat Prep
Hazmat placarding guide + endorsement test prep
Also Available
Hazmat (CDL) Endorsement in other states
Other licenses in Ohio