Drug Test Services - Houston, TX

Urine | Hair | DOT | Oral Fluid | Alcohol/ETG | Occupational Health

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 Drug Test Service 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

Employers | Individuals | Families

Accredited Drug Testing provides comprehensive drug and alcohol testing services to promote workplace safety, meet compliance requirements, and support legal or personal needs for testing. Drug Testing helps prevent accidents, ensures a drug-free workplace,and meets Federal mandates such as those outlined by the Department of Transportation (DOT)

Drug Testing Services

Customized Testing Options Available | Discounts available for Bulk Purchases | Onsite Drug Testing Services

Urine Drug Testing Services

Urine drug testing in Houston, Texas is a reliable method that detects recent drug use by analyzing urine samples. It's non-invasive and commonly used for pre-employment screening and monitoring individuals in various settings.

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Purpose of Urine Drug Testing

  • Pre-employment screening
  • Random workplace testing
  • Legal and court mandates
  • Rehabilitation programs monitoring
  • Sports organizations testing

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • Methamphetamines

Choosing urine drug testing in Houston, Texas offers an efficient, cost-effective, and accurate means to ensure compliance and safety across various sectors.

Order Your Test Online

Alcohol Test Services

Alcohol testing in Houston, Texas involves assessing an individual's blood alcohol content (BAC) to determine recent consumption and its impact on their behavior and abilities. By using advanced technologies, testing can be performed via various methods, each offering differing benefits in terms of speed, accuracy, and invasiveness.

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Alcohol Testing is used in many settings

  • Workplace safety
  • Employee screening
  • Legal cases
  • Rehabilitation centers
  • Sports integrity

Common Methods of Alcohol Testing

  • Breathalyzer
  • Blood test
  • Saliva test
  • Urine test

Breathalyzer - Measures BAC quickly via exhaled breath.

Blood test - Offers detailed BAC analysis via a sample.

Testing for alcohol in Houston, Texas serves crucial roles in ensuring safety and compliance across numerous environments, facilitating effective decision-making and regulation. Using appropriate methods, stakeholders can confidently navigate alcohol-related situations.

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Hair Follicle Drug Testing Services

Hair follicle drug testing in Houston, Texas effectively identifies drug use over a prolonged duration by analyzing hair samples for metabolites. This form of testing reveals consistent or past usage patterns, making it ideal for certain occupational and legal scenarios due to its extensive detection window.

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Why Use Hair Drug Testing?

  • Long detection window
  • Hard to tamper with
  • Non-invasive collection
  • Accurate historical data
  • Broad drug spectrum

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • PCP

Hair drug testing in Houston, Texas provides superior insights into usage behaviors, crucial for making informed decisions in pre-employment screening or probation monitoring.

Order Your Test Online

DOT Drug Testing Services

In Houston, Texas, DOT drug testing ensures compliance with federal regulations, focusing on safety-sensitive transportation roles. The DOT strictly governs these screenings to ensure the reliability and safety of public and commercial transit systems. This testing protocol includes strict adherence to guidelines and timely reporting.

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Who is Required to Take DOT Drug Tests?

  • Commercial truck drivers
  • Crew members on passenger airliners
  • Pipeline operators
  • Transit and railway operators
  • Commercial bus drivers
  • Maritime employees
  • Hazardous material transporters

What Drugs Are Tested For

  • THC
  • Phencyclidine (PCP)
  • Opiates
  • Amphetamines
  • Cocaine
  • Methamphetamines

DOT drug testing in Houston, Texas is critical to the integrity and functionality of the transportation sector. By adhering to federal protocols, it helps maintain a safe operating environment for all transportation-related activities.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing is a system mandated by courts to ensure individuals comply with drug-free requirements during probationary periods. It involves regular or random testing, with strict protocols to detect illicit substances. These tests are crucial to hold individuals accountable and support rehabilitation efforts.

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Why Are Probation Drug Test Services Available?

  • Rehabilitation Compliance: Ensures compliance with court-mandated rehab.
  • Deterrence: Prevents substance abuse relapse.
  • Public Safety: Protects community by monitoring offenders.
  • Accountability: Holds probationers accountable for actions.
  • Behavior Modification: Encourages lifestyle changes.

Testing Methods

  • Urine tests: Common due to ease and accuracy.
  • Hair follicle tests: Detects long-term drug use.
  • Saliva tests: Useful for detecting recent use.
  • Blood tests: Accurate but less common due to invasiveness.

Probation drug testing in , Houston, Texas is vital in monitoring individuals to ensure adherence to legal requirements, facilitating rehabilitation and safeguarding community wellbeing.

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Court Ordered Drug Testing Services

Court ordered drug testing in Houston, Texas involves testing individuals as part of judicial proceedings, ensuring compliance with legal requirements. This testing generally mandates regular checks to detect illegal substance use and support rehabilitation.

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Why are Court Ordered Drug Test Services Available?

  • Ensure public safety
  • Rehabilitation support
  • Accountability
  • Compliance with court orders
  • Substance abuse management

Court Ordered Test Methods

  • Urine tests: Fast, cost-effective results
  • Hair follicle tests: Long detection period
  • Saliva tests: Quick and easy
  • Blood tests: Highly accurate
  • Nail tests: Extended detection window

In Houston, Texas, court ordered drug testing helps to ensure individuals are adhering to legal stipulations, supporting both personal rehabilitation and societal protection.

Order Your Test Online

Fingernail Drug Testing Services

Fingernail drug testing in Houston, Texas offers a unique approach to detecting drug use. It works by analyzing keratin cells in the nail, providing an extended detection period. Trusted for its accuracy, this type of testing is useful for situations where long-term monitoring is needed, offering detailed substance histories.

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What is the Detection Window for Fingernail Drug Tests

  • Fingernails: Detects drug use over a 6-month period.
  • Toenails: Longer detection, up to 12 months.

What Drugs Can Be Detected

  • Cocaine
  • Marijuana
  • MDMA
  • Opiates
  • Methamphetamine

Advantages over other methods

  • Uncompromised samples
  • Extensive detection period
  • Easy to collect
  • Non-invasive
  • Highly accurate results

In Houston, Texas, fingernail drug testing is valued for its comprehensive results and wide detection window. It's especially useful for long-term case management and legal situations requiring proven substance histories.

Order Your Test Online

Occupational Health Test Services

Occupational health testing in Houston, Texas ensures workers are fit for duty, promoting safety and health across various industries. This comprehensive screening process evaluates an employee’s ability to perform work duties safely.

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Purpose of Occupational Health Testing

  • Ensure workplace safety
  • Assess employee health
  • Prevent workplace injuries
  • Monitor compliance with health regulations
  • Improve productivity

Common Types of Occupational Health Tests

  • Fitness for duty exams: Assess physical and mental capability
  • Respirator Fit Testing: Verify respirator effectiveness
  • Pulmonary Function Tests (PFT's): Evaluate lung capacity and function
  • Tuberculosis (TB): Detect TB infection to prevent spread
  • Vision: Check visual acuity
  • Audiometric: Measure hearing ability

Occupational health testing in Houston, Texas supports the health and safety of the workforce, helping employers reduce risks, meet regulatory requirements, and maintain a productive work environment.

Order Your Test Online

Drug Statistics for Houston, Texas

In recent statistics, Houston has witnessed a steady increase in drug-related issues, mirroring trends seen across larger urban centers in the United States. The opioid crisis, in particular, has had a significant impact, with rising numbers of overdoses and hospitalizations noted in recent years.

According to recent data, a rising number of individuals in Houston have sought treatment for substance use disorders, highlighting an increased awareness and dedication to overcoming these challenges. Community initiatives and local government efforts are ongoing to combat the effects of drug abuse in the region.

Drug Testing Regulations in Texas

Employer drug testing in Houston must comply with state guidelines under Tex. Lab. Code § 411.091. Texas Labor Code § 411.091 mandates written policy distribution for employer drug testing programs while supporting broad pre-employment and random testing rights.

Medical Marijuana Status: Legal (Medical)  |  Recreational Marijuana Status: Prohibited

Surrounding Areas Served Near Houston

South Houston • Texas City • Rice • West University Place • Southside Place • Tanglewood • Sunny Side • Bellaire

Drug & Alcohol Test Selection & Panel Comparison

Test Type / Panel Detection Window Common Applications Turnaround Time
5-Panel Urine Screen 1 to 5 Days Standard Pre-Employment, Random & Workplace Testing 24 to 48 Hours
10-Panel Urine Screen 1 to 7 Days Expanded Employment, Healthcare & Probation 24 to 48 Hours
Hair Follicle Drug Test Up to 90 Days Long-Term Monitoring, Court-Ordered & Custody 3 to 5 Business Days
Oral Fluid / Saliva Screen 1 to 48 Hours Immediate Recent-Use Screening & On-Site Testing 24 to 48 Hours
ETG Alcohol Testing Up to 80 Hours Court-Ordered Alcohol Abstinence & Probation Monitoring 24 to 48 Hours

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

In Texas, workplace drug testing is governed by statutory guidelines under Tex. Lab. Code § 411.091. Private employers generally operate under a Texas Labor Code § 411.091 guidelines, permitting pre-employment, random, post-accident, and reasonable suspicion testing.
Yes. Employers in Texas who implement a certified Drug-Free Workplace Program in compliance with Tex. Lab. Code § 411.091 can qualify for insurance premium discounts and enhanced legal protections during workers' compensation claims.
Under Texas state law compliance standards, state statutes allows broad pre-employment, random, and post-accident testing. Safety-sensitive positions, DOT-regulated roles, and federal contract compliance remain strictly zero-tolerance across all jurisdictions.
Accredited Drug Testing provides access to 0 certified collection sites in the Houston area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Houston, registering your test online or calling (800) 221-4291 prior to visiting guarantees rapid priority specimen collection with an instant barcode pass.
Negative drug and alcohol test results are typically released within 24 to 48 hours of specimen processing. Any non-negative screenings undergo confirmatory GC/MS or LC/MS testing and licensed Medical Review Officer (MRO) verification within 3 to 5 business days.

Customer Reviews

Very Fun and Easy

Trish last week and Tatiana this week, very fun and easy folks to deal with. Well be using them more and more in the future.

Tom O - 12/19/2024

Everything was great

Everything was great, the staff was very polite. Thank you.

Olga Petrova - 9/19/2024

Extremely polite

They were very fast extremely polite walked you through every detail of the process if you had any questions they had no problems answering

Billy Williams - 2/19/2025


(800) 221-4291