✓ Same-Day Walk-Ins Welcome ✓ Digital Donor Pass in Minutes ✓ No Doctor Order Required ✓ SAMHSA-Certified Labs

Drug Testing Locations in Willis, TX

With 35 testing centers in the Willis 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.

Urine (5, 10, 12, 14-Panel) Hair Follicle (90-Day) DOT Drug & Alcohol Court & Probation Oral Fluid / Saliva EtG Alcohol
🕑 Collection Site Hours: Monday – Friday: 8:00 AM – 4:00 PM • ✓ Walk-in with Electronic Donor Pass • Saturday – Sunday: Closed

35 Drug-Testing Centers in Willis

Same-Day Electronic Donor Pass Accepted at All Locations Below

Minutes Away, Test Today

4015 Interstate 45 N

5.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4015 Interstate 45 N
Conroe, TX 77304

1150 N Loop 336 W

6.49 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1150 N Loop 336 W
Conroe, TX 77301

3205 W Davis St Ste B-103

7.16 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3205 W Davis St Ste B-103
Conroe, TX 77304

2912 W Davis St Ste 140

7.20 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2912 W Davis St Ste 140
Conroe, TX 77304

2129 W Davis St Ste D

7.25 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2129 W Davis St Ste D
Conroe, TX 77304

100 Medical Center Blvd Ste 114

9.52 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
100 Medical Center Blvd Ste 114
Conroe, TX 77304

800 Riverwood Court, Suite 103

9.69 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-3:30 PM✓ Walk-in with Electronic Donor Pass
800 Riverwood Court, Suite 103
Conroe, TX 77304

17350 St Lukes Way Ste 200

15.20 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
17350 St Lukes Way Ste 200
The Woodlands, TX 77384

123 Vision Park Blvd

16.25 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
123 Vision Park Blvd
Shenandoah, TX 77384

250 Ed English Lane Bldg 1-b

16.94 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
250 Ed English Lane Bldg 1-b
Shenandoah, TX 77385

8850 Six Pines Drive, Suite 230

17.20 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-3:30 PM✓ Walk-in with Electronic Donor Pass
8850 Six Pines Drive, Suite 230
The Woodlands, TX 77380

9250 Pinecroft Dr

17.35 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9250 Pinecroft Dr
The Woodlands, TX 77380

1011 Medical Plaza Dr Ste 150

17.42 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1011 Medical Plaza Dr Ste 150
Spring, TX 77380

15320 Highway 105 West Ste 120

19.44 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
15320 Highway 105 West Ste 120
Montgomery, TX 77356

100 Medical Center Pkwy Ste 1000

19.61 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
100 Medical Center Pkwy Ste 1000
Huntsville, TX 77340

1104 Rayford Rd Ste 500

20.75 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1104 Rayford Rd Ste 500
Spring, TX 77386

1211 Sam Houston Ave

20.82 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1211 Sam Houston Ave
Huntsville, TX 77340

322 Spring Hill Dr Ste A400

21.01 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
322 Spring Hill Dr Ste A400
Spring, TX 77386

34624 State Highway 249

21.27 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
34624 State Highway 249
Pinehurst, TX 77362

19073 Interstate 45 S

21.59 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
19073 Interstate 45 S
Shenandoah, TX 77385

1280 N Fm 1486 Rd

22.62 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1280 N Fm 1486 Rd
Montgomery, TX 77356

25410 Interstate 45 Ste 150

23.55 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
25410 Interstate 45 Ste 150
Spring, TX 77386

2104 Fm 2920 Rd

24.32 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2104 Fm 2920 Rd
Spring, TX 77388

506 Graham Suite 260

24.60 mi
🕑 Facility: Mon–Fri: 07:30 AM - 04:30 PM⚡ Drug Screens: Mon–Fri: 07:30 AM - 04:30 PM
506 Graham Suite 260
Tomball, TX 77375

13406 Medical Complex Dr Ste 1,

24.96 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-3:30 PM✓ Walk-in with Electronic Donor Pass
13406 Medical Complex Dr Ste 1,
Tomball, TX 77375

28465 State Highway 249

25.12 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
28465 State Highway 249
Tomball, TX 77375

14080 Fm 2920 Rd Ste A

25.17 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
14080 Fm 2920 Rd Ste A
Tomball, TX 77377

24420 Fm 1314 Rd Suite 101

26.25 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
24420 Fm 1314 Rd Suite 101
Porter, TX 77365

5529 Lovetta Rd Ste A, Office 9

26.64 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5529 Lovetta Rd Ste A, Office 9
Spring, TX 77379

110 Cypress Station Suite 152

27.16 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
110 Cypress Station Suite 152
Houston, TX 77090

2010 Fm 1960 Rd E

27.91 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2010 Fm 1960 Rd E
Houston, TX 77073

17070 Red Oak Dr Ste 107

28.06 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
17070 Red Oak Dr Ste 107
Houston, TX 77090

710 Fm 1960 Rd W

28.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
710 Fm 1960 Rd W
Houston, TX 77090

6601 Cypresswood Dr # 231

28.16 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6601 Cypresswood Dr # 231
Spring, TX 77379

16903 Red Oak Dr Ste 130

28.19 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
16903 Red Oak Dr Ste 130
Houston, TX 77090

Employment, DOT, Court Ordered, Probation, Family

At 35 convenient locations in Willis, TX, Accredited Drug Testing provides a full range of drug and alcohol testing services. Our offerings include DOT and non-DOT urine analysis, breath and EtG alcohol screening, along with hair drug tests, accommodating needs for individuals, businesses, and legal cases. Clients in Willis benefit from rapid results and SAMSA accredited lab assessments. We're ready for same-day service, with most centers just minutes away from home or workplace. Beyond drug testing, we offer Occupational Health Assessments, Clinical Evaluations, and Background Verification.

Dial (800) 221-4291 or sign up online. Picking a test and finding a nearby center is easy—available for personal tests, workforce, or third-party assessments. With our fast process, scheduling either by phone or our 24/7 online system is a breeze. Enjoy the convenience of arranging drug tests in Willis with minimal effort, thanks to our efficient and user-friendly service.

* You must register by phone or online to receive your donor pass/registration prior to proceeding to the testing center. You must bring a valid government issued ID along with the registration/barcode number which was sent to you by email.

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.

How the Drug Testing Process Works in Willis, TX

1

Order Online or Call

Select your test & search nearby Willis collection sites.

2

Get Donor Pass

Receive your donor pass by email or SMS immediately.

3

Visit Collection Center

Walk in with donor pass & photo ID. No appointment needed.

4

Fast Results

Secure results delivered confidentially in 24-48 hours.

Willis, TX Drug Testing

Drug Testing Services Available at Our Willis, TX Labs:

At our Willis drug testing collection sites, Accredited Drug Testing provides one of the widest selections of drug and alcohol testing services available. Whether you're an employer, attorney, court, or private individual, we offer both DOT and non-DOT testing options—ranging from rapid tests to comprehensive lab-based screenings—capable of detecting nearly any substance.

Mobile/On-Site Drug Testing

If you're an employer needing to test 25 or more employees and looking to save time and money, we offer mobile on-site drug testing where we come to you. Call us today for more information.

Official Legal & Regulatory Framework

Texas Drug Testing Laws & Compliance in Willis

SAMHSA Certified • MRO Verified

Accredited Drug Testing provides employer and individual screening in Willis, TX adhering strictly to Tex. Lab. Code § 411.091, federal DOT 49 CFR Part 40 guidelines, and certified SAMHSA laboratory chain-of-custody standards.

Statutory Citation
Tex. Lab. Code § 411.091
Medical Marijuana
Legal (Medical)
Recreational Cannabis
Prohibited
Workplace Rights
Zero-Tolerance Protected

Texas Labor Code § 411.091 mandates written policy distribution for employer drug testing programs while supporting broad pre-employment and random testing rights.

Under Tex. Lab. Code § 411.091, employers in Willis may institute comprehensive drug-free workplace programs including:

  • Pre-Employment Screening: Conditional job offer testing for all applicants.
  • Reasonable Suspicion Testing: Objective, documented behavioral signs of impairment.
  • Post-Accident Testing: Mandatory screening following workplace injuries or property damage.
  • Random Testing: Unannounced selection for safety-sensitive roles and machinery operators.
  • Workers' Comp Incentives: Verified testing programs provide premium discounts on state workers' compensation insurance policies.

While cannabis statutes continue evolving across the United States (Medical: Legal (Medical); Recreational: Prohibited in Texas), employers retain the legal prerogative to prohibit substance impairment on job premises, during operational shifts, and while operating company vehicles.

Federal regulations, Department of Transportation (DOT) mandates, and safety-sensitive positions strictly prohibit marijuana use regardless of state cannabis status. ADT provides both standard THC screening and non-THC customized drug panels for private employers wishing to adapt to state-specific hiring preferences.

For commercial drivers, maritime operators, aviation crews, and transit personnel operating in Willis, all testing follows rigorous Department of Transportation (DOT) standards governed by 49 CFR Part 40:

  • Federal 5-Panel Regulated Urine Screen: Tested for Marijuana, Cocaine, Amphetamines/Methamphetamines, Opioids (Codeine, Morphine, Heroin, Hydrocodone, Hydromorphone, Oxycodone, Oxymorphone), and PCP.
  • SAMHSA Accredited Laboratories: Zero compromise on testing accuracy with gas chromatography/mass spectrometry (GC/MS) confirmation.
  • Medical Review Officer (MRO): Every non-negative specimen is reviewed by a licensed physician MRO before reporting.
  • FMCSA Clearinghouse Reporting: Real-time reporting of verified positive tests and refusals to test into the federal driver clearinghouse database.

Accredited Drug Testing provides legally admissible drug and alcohol screening for county court dockets, child custody hearings, probation requirements, and pretrial diversion programs throughout Willis and Texas.

All specimens undergo observed or witnessed collection procedures when ordered by the court, accompanied by rigorous Federal Chain of Custody Forms (CCF). Turnaround time is rapid, and official certificates of analysis can be forwarded directly to your attorney, court case officer, or probation supervisor upon release.

Hyper-Local Proximity Coverage

Neighborhoods & Service Districts in Willis, TX

Minutes Away, Same-Day Donor Pass

Accredited Drug Testing operates collection centers strategically positioned throughout Willis to ensure fast donor access with minimal drive times. Walk-ins are welcomed with an immediate electronic donor pass across all major neighborhoods and transit corridors:

Key Willis Neighborhoods Covered:

● Downtown Willis ● Central Business District ● North Willis Commercial Corridor ● South Willis Industrial Park ● East Willis Metro Area ● West Willis Trade Center ● Medical & Healthcare District ● Airport / Logistics Corridor

Major Employment & Commercial Hubs Served:

Willis Main Street Commercial District • Willis Regional Trade Center • County Industrial Parkway • Metro Healthcare & Occupational Medical Corridor

Located anywhere in Willis? Receive your electronic pass in under 5 minutes.
Order Test Online →

Surrounding Areas Served Near Willis

Panorama Village • New Waverly • Conroe • Montgomery • Cut And Shoot • Keenan • Woodloch • Southeast Montgomery

Willis, TX Drug & Alcohol Test Panels & Detection Windows

Select a test panel below to review specific drug compounds screened, detection timeframes, and instant electronic pass registration in Willis.

Test Type & Local Panel Detection Window Common Use Cases in Willis Turnaround Time
5-Panel Urine Screen in Willis →
THC, Cocaine, Basic Opiates, Amphetamines, PCP
1 to 5 Days Pre-Employment, Workplace Safety & Non-DOT Randoms 24 to 48 Hours
10-Panel Urine Screen in Willis →
Adds Benzodiazepines, Barbiturates, Methadone, Propoxyphene
1 to 7 Days Healthcare Staffing, Corporate Policies & Court Orders 24 to 48 Hours
Hair Follicle Drug Test in Willis →
Long-term historical pattern analysis (90-day window)
Up to 90 Days Child Custody, Legal Defense & Executive Screening 3 to 5 Business Days
DOT Drug & Alcohol Test in Willis →
49 CFR Part 40 compliant with CCF & MRO verification
1 to 5 Days FMCSA, FAA, FRA, FTA, USCG Regulated Drivers & Crew 24 to 48 Hours
ETG & Breath Alcohol in Willis →
Evidential breath testing or 80-hour urine EtG metabolite
Breath: 0–12 Hrs
EtG: Up to 80 Hrs
Zero-Tolerance Workplace, Post-Accident & Probation Immediate to 48 Hours
DOT Physical Exam in Willis →
FMCSA NRCME certified medical examiner card (Form MCSA-5876)
1 to 2 Year Card Commercial Driver License (CDL) Medical Certification Same-Day Medical Card
Full-Service Testing Solutions

Occupational Health & Specialized Screening in Willis, TX

Beyond standard urine screening, Accredited Drug Testing delivers end-to-end occupational medical solutions, DOT credentialing, court-admissible forensic testing, and employer background compliance.

NRCME Certified

DOT Physicals & Medical Cards

FMCSA-compliant examinations conducted by certified medical examiners. Instant driver medical certificate renewal across Willis.

AABB Accredited

Court Legal DNA & Paternity

100% court-admissible legal paternity, maternity, sibling, and grandparentage testing with strict chain of custody for family court.

FCRA Compliant

Background Checks & MVR

Comprehensive pre-employment screening, nationwide criminal history searches, and Motor Vehicle Records (MVR) for driver compliance.

Long Detection Window

90-Day Hair Follicle Drug Test

Tamper-resistant 90-day historical substance screening. Preferred by family courts, custody attorneys, and zero-tolerance employers.

Instant & Lab Confirmed

Breath Alcohol & 80-Hr EtG

Evidential breath alcohol testing (BAT) and 80-hour EtG urine/hair metabolite analysis for probation monitoring and workplace safety.

We Come to You

Mobile On-Site Group Testing

Certified mobile collection technicians dispatched directly to your Willis facility or job site for groups of 25+ employees.

Local Testing Resource Network

More Drug & Alcohol Testing Options in Willis, TX

Need immediate walk-in service in Willis? View our Willis, TX Drug Testing Facility Guide or order an instant electronic donor pass online.

Willis Drug Testing

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

Willis DOT Drug Testing

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

Willis DNA Testing

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

Willis Industry Training

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

Willis Hair Drug Testing

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

Willis Alcohol Testing

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

Willis Drug Testing Services

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

Willis 5 Panel Drug Test

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

Willis 10 Panel Drug Test

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

Willis On Site Drug Testing

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

Willis DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Willis, 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 35 certified collection sites in the Willis area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Willis, 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 professional and very quick

Very professional and very quick service to schedule appointments! I am pleased with the services and would definitely recommend using them for any drug testing needs!

Carrie Feerick - 4/19/2025

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

Explained everything so no questions

Torin was great. Explained everything so no questions

Tony Lombardo - 4/18/2025


(800) 221-4291