How Long Is a Hazmat Endorsement Good For?
A Hazmat endorsement is valid for 5 years, then renews via a new TSA background check. Your ELDT training never expires.
The 5-year rule for Hazmat endorsements
A Hazmat (H) endorsement is good for 5 years. Federal security rules require the TSA to re-screen every driver who hauls hazardous materials, so the H endorsement is capped at a maximum 5-year cycle and must be renewed before it expires. In practice some states tie the H endorsement to your CDL renewal date, so your usable window can be slightly shorter than a full 5 years — always renew based on the earlier of the two dates printed on your license.
Renewing is driven by a new TSA threat assessment, not by training. Hazmat endorsements renew every 5 years; new TSA background check required, ELDT NOT repeated. You complete a fresh TSA fingerprint-based background check through IDEMIA Universal Enroll (about $86.50, or roughly $41 with a valid TWIC), then your state DMV reissues the endorsement once TSA clears you. For the full walkthrough see our How to Renew a Hazmat Endorsement guide.
Endorsement validity vs. your ELDT record
This is the part most drivers conflate. The 5-year clock applies to the endorsement on your license — the thing TSA re-screens. It does NOT apply to your ELDT training. ELDT (Entry-Level Driver Training) is a one-time federal requirement: once your FMCSA-approved provider submits your completion to the Training Provider Registry, that record is permanent. It never expires and is never retaken. We cover this in depth in Does ELDT Expire?.
So when your H endorsement comes up for its 5-year renewal, you do not redo Hazmat ELDT. The ELDT you completed the first time stays on your record for life. You only repeat the TSA security screening — the training stays done. The ELDT requirement applies to NEW Hazmat endorsements issued after February 7, 2022, not to renewals of an endorsement you already hold.
When you DO need to take Hazmat ELDT
You take Hazmat ELDT once, when you first add the H endorsement to your CDL (assuming you are getting it after February 7, 2022). Hazmat ELDT is theory-only — there is no behind-the-wheel component — and each DLA course is $20. If you are adding Hazmat for the first time, follow our How to Add Hazmat to an Existing CDL guide.
If you let an H endorsement lapse entirely and have to re-add it, you still are not forced to retake ELDT — your TPR record persists. You will, however, need a current TSA clearance and to pass the state Hazmat knowledge test again. Drivers weighing whether Hazmat is the right add-on can compare options in our Which CDL Endorsement Should I Get? guide, and see the federal context on the main-domain How to Get a Hazmat Endorsement page.
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