How to Get a Hazmat Endorsement on Your CDL

By PassMyCDL Team | June 24, 2026

Adding the hazmat endorsement to your CDL is two separate processes running in parallel: a federal security background check through the TSA, and a state knowledge test through your DMV. Most of the confusion drivers run into comes from not understanding which agency handles which part. This guide walks through the process in the exact order you'll actually do it, with real fees and timelines, plus a quick eligibility check before you spend any money on fingerprinting.

Check your eligibility before you apply

This step alone saves people real money. The TSA fee is non-refundable even if you're later found ineligible. Answer honestly before you pay anything.

The 5-step process — in order

This is the actual sequence, not a simplified version. Follow these in order and you won't waste a step.

1. 1
   Pre-enroll with TSA Universal Enroll
   Day 1 — 20 minutes online

   Go to universalenroll.dhs.gov and start a Hazardous Materials Endorsement application. Fill in your personal details, choose an enrollment center near you, and pay the federal fee — $86.50 standard, or $41 if you already hold a valid TWIC card and your state accepts TWIC comparability.

2. 2
   Get fingerprinted in person
   Within 1–2 weeks of pre-enrolling

   Visit your chosen enrollment center with two forms of acceptable ID and your CLP or CDL. An agent collects your fingerprints electronically and has you review and sign the application. This appointment typically takes 15–20 minutes.

3. 3
   TSA conducts the security threat assessment
   30–45 days after fingerprinting

   TSA reviews your fingerprints, criminal history, and immigration status. You cannot speed this up. Most approvals arrive within the stated window — incomplete or mismatched paperwork is the most common cause of delays beyond that.

4. 4
   Pass the hazmat knowledge test
   After TSA approval — same week possible

   Once approved, visit your state DMV with your TSA approval notification and take the written hazmat knowledge test — typically 30 questions, 80% to pass. Some states let you take this test before TSA approval comes through, but the endorsement cannot be issued until TSA clears you either way.

5. 5
   State adds the endorsement to your CDL
   Same day or mailed within 2 weeks

   With TSA approval confirmed and the knowledge test passed, your state issues an updated CDL with the H endorsement. Some states print it the same day; others mail the updated card.

What it actually costs

Total cost typically runs $90 to $150 depending on your state's additional fee. A few states add more — Texas charges a $25 state fee on top of the federal cost, for example. Check your state DMV's fee schedule for the exact figure where you're testing.

Common reasons the process gets delayed

• Name or ID mismatch: If the name on your application doesn't exactly match your ID documents, TSA flags the file for manual review, adding time.
• Incomplete fingerprint capture: A bad print at the enrollment center can require a second appointment, restarting part of the clock.
• Missing immigration documentation: Lawful permanent residents and other non-citizens need to provide specific proof of status — confirm exactly which documents are accepted before your enrollment appointment.
• Starting too close to a job start date: The 30–45 day window is an estimate, not a guarantee. If a job offer depends on having the endorsement by a specific date, start the TSA process the moment you know you'll need it — ideally while you're still completing other parts of CDL training.

Renewal — don't let it lapse

The hazmat endorsement isn't permanent. You'll need to renew the TSA threat assessment every 5 years, and the process is nearly identical to the original application.

• Start 90 days before expiration. Most states send a reminder notice around this point — don't rely solely on it.
• Begin the TSA renewal at least 30 days before expiration at minimum, though earlier is safer given possible processing delays.
• Carriers pull drivers from hazmat dispatch the moment the endorsement shows expired in their system, regardless of whether your renewal is already in progress — plan around this, not after it.

What's on the actual knowledge test

This guide covers the process of getting the endorsement. For everything that's actually tested — the 9 hazmat classes, placard rules, shipping papers, and a full practice quiz — see the complete CDL Hazmat Endorsement Study Guide. If fuel or chemical tanker hauling is your goal, you'll also want the tanker endorsement — see CDL Tanker Endorsement Guide for that process, since combining both creates the X endorsement that opens the highest-paying hazmat lanes.

CDL Hazmat Endorsement Study Guide

CDL Tanker Endorsement Guide

CDL Endorsements: Complete List and Guide