DOT Drug Testing - Houston, TX

FMCSA-USCG-FTA-FRA-FAA-PHMSA

With 37 testing centers in the Houston area, we offer drug and alcohol testing for employment, probation and DOT requirements. Additional services include DOT consortium enrollment, DNA Testing and background checks. Order your tests and services online or call (800) 221-4291.

37 DOT Drug-Testing Centers in Houston

Minutes Away, Test Today

1001 Texas St Ste 1400

0.23 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1001 Texas St Ste 1400
Houston, TX 77002

1200 Mckinney St Ste 473

0.51 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1200 Mckinney St Ste 473
Houston, TX 77010

2004 Leeland St

1.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2004 Leeland St
Houston, TX 77003

3300 Crawford St

1.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3300 Crawford St
Houston, TX 77004

107 Yale St Ste 200

2.19 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
107 Yale St Ste 200
Houston, TX 77007

1917 W Gray St

2.52 mi
🕑 Testing Hours: Mon–Fri: 8:30 AM-8:00 PM • Sat:,Sun: 8:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
1917 W Gray St
Houston, TX 77019

102 West 11th St

2.79 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
102 West 11th St
Houston, TX 77008

1200 Binz St, Ste 115

3.08 mi
🕑 Facility: Mon–Fri: 07:30 AM - 04:30 PM✓ Walk-in with Electronic Donor Pass
1200 Binz St, Ste 115
Houston, TX 77004

5151 Katy Fwy

3.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5151 Katy Fwy
Houston, TX 77007

5151 Katy Fwy Ste 170

3.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5151 Katy Fwy Ste 170
Houston, TX 77007

1213 Hermann Dr Ste 155

3.17 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1213 Hermann Dr Ste 155
Houston, TX 77004

5711 Almeda Rd, Ste 131b

3.26 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5711 Almeda Rd, Ste 131b
Houston, TX 77004

5535 Memorial Dr Ste B

3.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5535 Memorial Dr Ste B
Houston, TX 77007

235 W 20th St

3.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
235 W 20th St
Houston, TX 77008

427 W 20th St Ste 504

3.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
427 W 20th St Ste 504
Houston, TX 77008

635 W 19th St Ste 203

3.87 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
635 W 19th St Ste 203
Houston, TX 77008

6411 Fannin St

3.91 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6411 Fannin St
Houston, TX 77030

7117 Lyons Ave

3.99 mi
🕑 Testing Hours: Mon–Fri: 8:30 AM-3:00 PM✓ Walk-in with Electronic Donor Pass
7117 Lyons Ave
Houston, TX 77020

1445 North Loop W Ste 720

4.00 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1445 North Loop W Ste 720
Houston, TX 77008

6624 Fannin St Ste 1980

4.24 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6624 Fannin St Ste 1980
Houston, TX 77030

4615 I 45 Ste 206

4.46 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4615 I 45 Ste 206
Houston, TX 77002

8799 North Loop E Ste 110

4.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8799 North Loop E Ste 110
Houston, TX 77029

9009 North Loop E Ste 120

4.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9009 North Loop E Ste 120
Houston, TX 77029

3637 W Alabama St Ste 100

4.63 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3637 W Alabama St Ste 100
Houston, TX 77027

7000 Fannin St Ste 1620

4.90 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7000 Fannin St Ste 1620
Houston, TX 77030

2150 W 18th St

5.17 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2150 W 18th St
Houston, TX 77008

7515 Main Street, Suite 190

5.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7515 Main Street, Suite 190
Houston, TX 77054

2207 Lazybrook Dr

5.36 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2207 Lazybrook Dr
Houston, TX 77008

1919 North Loop W Ste 125,

5.36 mi
🕑 Facility: Mon–Fri: 08:00 AM - 04:30 PM⚡ Drug Screens: Mon–Fri: 07:30 AM - 12:00 PM, 01:00 PM - 04:30 PM
1919 North Loop W Ste 125,
Houston, TX 77008

7580 Fannin St Ste 180

5.39 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7580 Fannin St Ste 180
Houston, TX 77054

2000 North Loop W Ste 200

5.48 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2000 North Loop W Ste 200
Houston, TX 77018

5568 Weslayan St

5.49 mi
🕑 Testing Hours: Mon–Sat: 8:00 AM-8:00 PM • Sun: 7:45 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
5568 Weslayan St
Houston, TX 77005

9200 Hempstead Rd Ste 137

5.66 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
9200 Hempstead Rd Ste 137
Houston, TX 77008

4635 Southwest Fwy Ste 575w

5.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4635 Southwest Fwy Ste 575w
Houston, TX 77027

1214 N Post Oak Rd Ste 100

5.92 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1214 N Post Oak Rd Ste 100
Houston, TX 77055

1000 N Post Oak Rd Bldg G Ste 100

5.93 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1000 N Post Oak Rd Bldg G Ste 100
Houston, TX 77055

900 Broadway St

5.97 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
900 Broadway St
Houston, TX 77012

DOT Drug Testing, DOT Consortium, DOT Physicals, FMCSA Clearinghouse, Serving All DOT modes

We have 37 DOT drug testing locations to serve you in and around Houston, TX.

In Houston, TX and nearby areas, our DOT drug and alcohol testing centers offer comprehensive services including DOT Physicals, Random pool enrollment, MIS and MVR reports, driver qualification assessments, and adherence to 49 CFR Part 40. Catering to FMCSA, FTA, FAA, USCG, FRA, and PHMSA requirements, our facilities provide rapid, same-day service options, conveniently located close to your home or office.

Select your preferred DOT service or specific drug/alcohol test(s) and choose a nearby location for yourself, employees, or another individual. Our streamlined, intuitive process ensures easy access to DOT drug testing in Houston.

When you're searching for drug testing near me or drug testing locations, we provide a simple and convenient process to find a drug and alcohol testing location near you that is certified to provide all of your drug and alcohol testing needs.

Houston, Texas DOT Services

DOT Drug Testing & Services Available in Houston, TX:

In Houston, TX, our DOT services encompass drug and alcohol testing to ensure compliance and safety. From screenings to physical exams, we cater to all your DOT needs efficiently.

DOT Services in Houston, TX

DOT regulations enforce stringent drug and alcohol screening to uphold employee safety across all transport sectors. In Houston, TX, these regulations ensure a secure transport environment.

Employers are mandated to adhere to DOT guidelines, implementing regular screenings to detect drug or alcohol use, thus promoting safety in and around Houston, Texas.

The periodic drug testing program is crucial for maintaining a safe and reliable workforce in Houston, TX, directly supported by DOT regulations.

DOT screening regulations foster a culture of safety by preventing substance misuse and promoting a drug-free workspace in Houston, Texas's transport sectors.

FMCSA Information

Houston, TX abides by FMCSA drug testing rules mandating pre-employment screenings ensuring safety across DOT sectors.

In Houston, Texas, random FMCSA checks prevent drug abuse among commercial drivers, maintaining public safety.

USCG Information

In Houston, Texas, USCG drug testing ensures maritime safety by preventing impaired navigation.

Houston, TX follows USCG guidelines for alcohol testing, safeguarding waterways and seafarers.

FAA Information

FAA regulations in Houston, TX reinforce safety by enforcing drug tests for all aviation-related personnel.

Ensuring aviation safety, Houston, Texas follows FAA protocols for regular alcohol testing of aircrew.

FRA Information

Houston, TX adheres to FRA standards for drug testing, critical in securing rail safety and operations.

Rail safety in Houston, Texas is assured through FRA's alcohol testing guidelines strictly enforced.

FTA Information

FTA drug and alcohol rules in Houston, TX guarantee public transport safety via comprehensive screening policies.

Public safety in Houston, Texas is secured through FTA-mandated substance testing of transit employees.

PHMSA Information

PHMSA regulations in Houston, TX ensure drug-free workplaces through random screenings and testing policies.

Adhering to PHMSA guidelines, Houston, Texas maintains safety procedures crucial for transporting hazardous materials.

Scheduling in Houston, TX

Need to schedule a DOT drug or alcohol test in Houston, TX? Call (800) 221-4291 or use our online registration system. After selecting your test, complete the Donor Information section to register before heading to the testing facility.

Enter your zip code to find the nearest Houston testing site for your selected DOT drug or alcohol test. A donor pass with details like center location, hours, and instructions will be emailed to you. Bring this form or have it on your smartphone for the testing center. Appointments aren't usually required, but complete donor info and payment is needed during registration.

Our SAMHSA-certified labs have all results verified by our licensed Medical Review Officers, ensuring accuracy and compliance.

In addition to Houston, TX, Accredited Drug Testing operates multiple centers across the metro area and nearby cities, enhancing accessibility.

No matter if you're traveling or stationary, Accredited Drug Testing has you covered with numerous centers nationwide, ready to schedule tests anytime, anywhere!

Texas Dept. of Transportation Updates

DUI Statistics in Houston, TX

In Houston, Texas, drunk driving is a significant concern. Data from the Texas Department of Transportation highlights the persistent issue of DUI-related incidents within the city. Harris County, which encompasses Houston, frequently reports some of the highest DUI statistics in the state. Factors such as Houston’s population size, the city’s sprawling layout, and its role as a major hub contribute to the prevalence of impaired driving cases. Initiatives from both state and local authorities aim to reduce these numbers through education, law enforcement, and community engagement programs. The continued efforts seek to improve road safety for all users in Houston, TX.

Drug-Involved Accidents in Houston, TX

Houston, TX, reports a noteworthy number of accidents involving drivers under the influence of drugs. According to the Texas Department of Transportation, drug impairment significantly contributes to traffic accidents across Harris County. The metropolitan status of Houston, along with its extensive transportation networks, presents challenges in monitoring and controlling drug-related driving incidents. Strategies are in place to address this, including heightened detection measures and collaboration with local communities to curb drug-impaired driving. The goal is to enhance roadway safety in Houston, Texas, improving public confidence in the transport system.

Marijuana-Related Accidents in Houston, TX

The use of marijuana and its implications for road safety is a growing concern in Houston, TX. Despite legislative changes around cannabis use, impaired driving remains problematic. Harris County records reveal a rise in marijuana-related traffic incidents, prompting increased scrutiny by the Texas Department of Transportation. Efforts focus on public education about the risks of cannabis consumption before driving. Additionally, law enforcement in Houston, Texas, employs advanced techniques to detect and manage marijuana impairment on the roads. These comprehensive efforts strive to reduce cannabis-related accidents, ensuring safer travel for residents and commuters in the region.

Houston Drug Testing

Quickly find trusted local drug testing centers in Houston, TX — fast, convenient, and reliable every time!

Houston DOT Drug Testing

Quickly find a local DOT drug testing center in Houston, TX — fast, reliable, convenient nationwide service!

Houston DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Houston, TX.

Houston Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Houston, TX.v

Houston Hair Drug Testing

Get fast, accurate hair drug testing at our convenient Houston, TX locations—results you can trust, every time!

Houston Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Houston, TX.

Houston Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Houston, TX.

Houston 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by Houston, TX employers and individuals nationwide.

Houston 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for Houston, TX workplace and personal testing needs.

Houston On Site Drug Testing

Convenient on-site mobile drug testing with fast, reliable results—saving time while keeping your Houston, TX workplace compliant.

Houston DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Houston, TX drivers compliant and on the road with confidence.

DOT Consortium

Join our DOT consortium for hassle-free compliance, random testing management, and reliable driver safety solutions.


Frequently Asked Questions

A DOT drug test is a federally regulated drug test required for safety-sensitive transportation employees, such as CDL drivers. It is collected and processed under specific DOT procedures (49 CFR Part 40), including strict chain of custody, certified lab analysis, and documented results appropriate for DOT compliance."
DOT testing applies to employees in safety-sensitive roles, including commercial drivers and other regulated transportation workers. Employers must ensure pre-employment testing, random testing, post-accident testing, reasonable suspicion testing, return-to-duty, and follow-up testing are performed as required."
Yes. Accredited Drug Testing maintains access to DOT-compliant collection sites nationwide. Drivers and employers can schedule testing at a nearby location for required DOT drug and alcohol tests, including urgent post-accident or reasonable suspicion testing."
DOT-required testing includes pre-employment, random, post-accident, reasonable suspicion/reasonable cause, return-to-duty, and follow-up testing. For alcohol, evidential breath testing devices are used to document alcohol concentration following DOT protocol."
Yes. Solo CDL drivers and owner-operators are still subject to DOT testing requirements. They must participate in a compliant random testing program and complete required testing events using DOT-approved processes. Accredited Drug Testing assists in meeting these obligations."
If a DOT drug test screen is not negative, the specimen is sent for confirmatory testing using more specific laboratory methods. Final results are documented and reported according to DOT rules. An employee who has a violation must complete the DOT return-to-duty and follow-up process before resuming safety-sensitive work."
Yes. DOT drug and alcohol test results are released only to authorized employer representatives and are maintained in compliance files for DOT purposes. Results are handled in a controlled and confidential manner."
Yes. Accredited Drug Testing supports urgent post-accident and reasonable suspicion testing because DOT rules require timely documentation of possible impairment following an incident or observed behavior in a safety-sensitive environment."

Customer Reviews

they have made my job much easier

I always have a good experience setting up company driver drug screens through ADT. I'm really happy I found them while searching online, they have made my job much easier.

Exodus Heath - 2/13/2025

Super Easy to Schedule

Super easy to schedule and get what you need, weather for a job, personal, or court ordered! I believe I spoke with Justine who was helpful in answering all my questions and stayed on the phone with me until she was sure I was all set and got the emails I needed.

Mandy Ryan - 12/14/2024

quick to assist

They are very quick to assist with your orders and they helped when I needed to find a new testing facility.

Gary Matkin - 2/19/2025


(800) 221-4291