Hazmat Endorsement Texas:
Step-by-Step Guide

What Is a Hazmat Endorsement?

A Hazmat endorsement (designated “H” on your CDL) allows you to legally transport hazardous materials as defined by the U.S. Department of Transportation. This includes chemicals, flammable liquids, explosives, radioactive materials, compressed gases, and other regulated substances.

Hazmat hauling is strictly regulated because of the potential risk to public safety. That’s why the requirements are more extensive than other CDL endorsements — and why Hazmat-qualified drivers consistently earn more.

What Can You Haul with a Hazmat Endorsement?

• Fuel and flammable liquids (gasoline, diesel)
• Industrial and agricultural chemicals
• Medical and radioactive materials
• Explosives and propellants
• Compressed gases
• Corrosives and toxic substances

Who Should Get a Hazmat Endorsement?

The Hazmat endorsement makes the most financial sense for drivers who want to specialize in high-demand, higher-paying freight. It’s a strong move if you are:

• Driving in Texas oil & gas fields (Permian Basin, Eagle Ford)
• Hauling fuel, chemicals, or industrial gases
• Operating a tanker and want to maximize pay
• An OTR driver looking to differentiate yourself and earn more
• Anyone who wants more job security and employer leverage

Hazmat-endorsed drivers in Texas often earn $10,000–$30,000 more per year than standard CDL drivers. A driver hauling fuel in West Texas with a combined Hazmat and tanker endorsement can realistically earn $90,000–$110,000 annually.

How to Get a Hazmat Endorsement in Texas

Getting your Hazmat endorsement requires completing steps in a specific order. The TSA background check is the most time-consuming part, so start it first — most drivers who miss job opportunities do so because they waited too long on this step.

Here’s the full process at a glance: start TSA fingerprinting → complete ELDT → pass Hazmat knowledge test → apply at Texas DPS. Full step-by-step detail is in the Application Process section below.

To schedule TSA fingerprinting, go to uenroll.identogo.com. For FMCSA requirements and disqualifying offenses, see the FMCSA Hazmat endorsement page.

Requirements

1. Active CDL or CLP

You must have a valid Commercial Driver’s License or Commercial Learner’s Permit. You can apply for the Hazmat endorsement at the same time as your initial CDL application.

2. TSA Security Threat Assessment

This is the unique step that separates Hazmat from other endorsements. The Transportation Security Administration (TSA) requires every applicant to complete a security threat assessment. This federal requirement involves:

• Fingerprinting at a TSA-approved enrollment location
• FBI criminal background check
• Immigration status verification
• Terrorism screening database check

3. ELDT for Hazmat

Since the 2022 FMCSA ELDT rule, applicants adding a Hazmat endorsement must also complete endorsement-specific ELDT training. This is a shorter Hazmat-specific curriculum — not the full CDL ELDT program. See our ELDT Training Texas guide for details.

4. Hazmat Knowledge Test

You must pass the Texas DPS Hazardous Materials knowledge test — a separate written test from the standard CDL exam. It covers Hazmat regulations, shipping papers and placards, loading and transport rules, and emergency response procedures. Study using the Hazmat section of the official Texas CDL manual.

Application Process

• 1
  Schedule TSA fingerprintingGo to the TSA Universal Enrollment Services website (uenroll.identogo.com) to find a location and schedule your appointment. You pay the TSA fee at this step.
• 2
  Complete the background checkThe TSA reviews your background. This typically takes 10–30 days. You receive a notification when cleared.
• 3
  Complete Hazmat ELDT trainingEnroll in an FMCSA-approved school offering Hazmat endorsement ELDT. Complete the required theory training.
• 4
  Pass the Hazmat knowledge testSchedule and pass the Hazmat written test at a Texas DPS location. Study using the Texas CDL manual, Hazmat section.
• 5
  Apply for the endorsement at DPSOnce your TSA clearance and test are complete, visit a Texas DPS Driver License office to add the “H” endorsement to your CDL.

Cost & Timeline

Salary Boost

Hazmat-endorsed CDL drivers consistently out-earn non-endorsed drivers. The premium varies by employer, load type, and region, but Texas — with its oil and gas, chemical, and refinery industries — offers some of the best Hazmat pay in the country.

Beyond pay, Hazmat-endorsed drivers have a larger pool of job opportunities and are harder to replace — giving you more leverage with employers over time.

Ready to find schools offering Hazmat training in Texas? Get matched free or browse schools near you.

Also see: All CDL Endorsements Explained | Class A CDL Texas | How to Get Your CDL in Texas

Common Hazmat Application Mistakes

Most delays and denials come from the same handful of avoidable errors. Here’s what to watch for:

• Waiting too long to start the TSA check. The background check takes 10–30 days. Drivers who start it late miss their target job start date. Submit your TSA application as early as possible — ideally during CDL school, not after.
• Not completing ELDT before the knowledge test. Texas DPS must verify ELDT completion before you can take the Hazmat knowledge test. Make sure your school reports your completion to the FMCSA database first.
• Not checking disqualifying offenses before applying. Certain convictions result in automatic denial of the Hazmat endorsement under federal law. Check the CDL disqualifications list before spending money on TSA fingerprinting.
• Using a school not on the FMCSA Training Provider Registry. Only FMCSA-registered providers can deliver valid Hazmat ELDT. Verify at tpr.fmcsa.dot.gov before enrolling.
• Missing the 5-year renewal. The Hazmat endorsement must be renewed every five years, and the TSA background check must be repeated at each renewal.

Frequently Asked Questions