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

Drug Testing Locations in Mcnair, TX

With 32 testing centers in the Mcnair 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

32 Drug-Testing Centers in Mcnair

Same-Day Electronic Donor Pass Accepted at All Locations Below

Minutes Away, Test Today

610 S Main St

2.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
610 S Main St
Highlands, TX 77562

1658 W Baker Rd Ste A

3.27 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1658 W Baker Rd Ste A
Baytown, TX 77521

1610 W Baker Rd Ste B

3.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1610 W Baker Rd Ste B
Baytown, TX 77521

4401 Garth Rd

3.57 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4401 Garth Rd
Baytown, TX 77521

4002 Garth Rd Ste 150

3.72 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4002 Garth Rd Ste 150
Baytown, TX 77521

2802 Garth Rd Ste 213,

4.44 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2802 Garth Rd Ste 213,
Baytown, TX 77521

2800 Garth Rd

4.46 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2800 Garth Rd
Baytown, TX 77521

2610 N Alexander Dr

5.93 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2610 N Alexander Dr
Baytown, TX 77520

1700 James Bowie Dr

6.01 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1700 James Bowie Dr
Baytown, TX 77520

1515 N Alexander Dr Ste 115

6.03 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1515 N Alexander Dr Ste 115
Baytown, TX 77520

102 W 2nd St

9.03 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
102 W 2nd St
Deer Park, TX 77536

125 E 8th St

9.16 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
125 E 8th St
Deer Park, TX 77536

1430 Center St

9.54 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1430 Center St
Deer Park, TX 77536

13601 Woodforest Blvd

9.69 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
13601 Woodforest Blvd
Houston, TX 77015

1803 Center St Ste A

9.70 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1803 Center St Ste A
Deer Park, TX 77536

9235 N Highway 146 Ste 5a

9.79 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9235 N Highway 146 Ste 5a
Mont Belvieu, TX 77523

9235 N Highway 146 Ste 4

9.79 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9235 N Highway 146 Ste 4
Baytown, TX 77523

2106 Center St

9.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2106 Center St
Deer Park, TX 77536

126 W San Augustine St

10.08 mi
🕑 Testing Hours: Mon–Fri: 7:30 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
126 W San Augustine St
Deer Park, TX 77536

13469 East Fwy

10.14 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
13469 East Fwy
Houston, TX 77015

2818 Center St

10.21 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2818 Center St
Deer Park, TX 77536

2910 Center St

10.24 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
2910 Center St
Deer Park, TX 77536

321 W San Augustine St

10.36 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
321 W San Augustine St
Deer Park, TX 77536

1009 S Broadway St

10.40 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1009 S Broadway St
La Porte, TX 77571

1309 W Fairmont Pkwy Ste X

10.52 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1309 W Fairmont Pkwy Ste X
La Porte, TX 77571

1140 Westmont Dr Ste 505

10.60 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1140 Westmont Dr Ste 505
Houston, TX 77015

13125 East Fwy

10.62 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
13125 East Fwy
Houston, TX 77015

1140 Westmont Dr Ste 510,

10.65 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-3:30 PM✓ Walk-in with Electronic Donor Pass
1140 Westmont Dr Ste 510,
Houston, TX 77015

13259 East Fwy

10.72 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
13259 East Fwy
Houston, TX 77015

125 Sylvan St

10.78 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
125 Sylvan St
La Porte, TX 77571

7720 Spencer Hwy

11.37 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7720 Spencer Hwy
Pasadena, TX 77505

5141 Center St

11.46 mi
🕑 Testing Hours: Mon–Fri: 7:30 AM-4:30 PM✓ Walk-in with Electronic Donor Pass
5141 Center St
Pasadena, TX 77505

Employment, DOT, Court Ordered, Probation, Family

Accredited Drug Testing delivers wide-ranging drug and alcohol testing services at 32 locations within the McNair, Texas vicinity. Our offerings include both DOT and non-DOT urine drug assessments, breath alcohol evaluations, EtG alcohol analysis, and hair follicle drug tests, catering to personal, employment, and legal requirements. In McNair, TX, we provide quick-result testing along with SAMSA certified lab analysis, ensuring same-day services. Most testing sites are conveniently close to homes or offices. We also offer Occupational Health Assessments, Clinical Tests, and Background Check services.

Dial (800) 221-4291 or register via our website. Choose your preferred test and a nearby center for testing—ideal for individual testing, employees, or third parties. The process of booking a test is Fast and Easy; reach out to our scheduling team or book online anytime, day or night. Our efficient and straightforward system makes it easy to schedule testing near Mcnair.

* 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 Mcnair, TX

1

Order Online or Call

Select your test & search nearby Mcnair 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.

Mcnair, TX Drug Testing

Drug Testing Services Available at Our Mcnair, TX Labs:

At our Mcnair 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 Mcnair

SAMHSA Certified • MRO Verified

Accredited Drug Testing provides employer and individual screening in Mcnair, 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 Mcnair 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 Mcnair, 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 Mcnair 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 Mcnair, TX

Minutes Away, Same-Day Donor Pass

Accredited Drug Testing operates collection centers strategically positioned throughout Mcnair 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 Mcnair Neighborhoods Covered:

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

Major Employment & Commercial Hubs Served:

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

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

Surrounding Areas Served Near Mcnair

Coady • Highlands • Lynchburg • Baytown • Barrett • Channelview • Sheldon • Magnolia Gardens

Mcnair, 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 Mcnair.

Test Type & Local Panel Detection Window Common Use Cases in Mcnair Turnaround Time
5-Panel Urine Screen in Mcnair →
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 Mcnair →
Adds Benzodiazepines, Barbiturates, Methadone, Propoxyphene
1 to 7 Days Healthcare Staffing, Corporate Policies & Court Orders 24 to 48 Hours
Hair Follicle Drug Test in Mcnair →
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 Mcnair →
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 Mcnair →
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 Mcnair →
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 Mcnair, 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 Mcnair.

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 Mcnair facility or job site for groups of 25+ employees.

Local Testing Resource Network

More Drug & Alcohol Testing Options in Mcnair, TX

Need immediate walk-in service in Mcnair? View our Walk-In Drug Testing Near Me in Mcnair, TX facility guide or order an instant electronic donor pass online.

Mcnair Drug Testing

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

Mcnair DOT Drug Testing

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

Mcnair DNA Testing

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

Mcnair Industry Training

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

Mcnair Hair Drug Testing

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

Mcnair Alcohol Testing

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

Mcnair Drug Testing Services

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

Mcnair 5 Panel Drug Test

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

Mcnair 10 Panel Drug Test

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

Mcnair On Site Drug Testing

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

Mcnair DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Mcnair, 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 32 certified collection sites in the Mcnair area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Mcnair, 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

I love the customer service

I love the customer service. The lady was patient enough to help me book my appointment with ease and ensuring I get the location that's best for me. Keep up the good work!

Elizabeth Chiaka - 9/19/2024

Excellant Performance

The visit here is always the best . The place is always really clean. The employees are super courteous, very polite, and professional. This is the only drug lab I like to go do my drug and alcohol test. I would like to tell them thank you so much for thier excellent performance and job

Eli Gonzalez - 1/4/2025

Accredited has been wonderful to work with!

Accredited has been wonderful to work with! My court ordered tests are on a very strange schedule but every time I call, they are quick to schedule me and are always able to find a location that works for where I’m at and when! Thank you for making this rather undesirable situation less stressful and efficient.

Madison Sanderford - 8/19/2024


(800) 221-4291