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

Drug Testing Locations in Carlos, TX

With 36 testing centers in the Carlos 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

36 Drug-Testing Centers in Carlos

Same-Day Electronic Donor Pass Accepted at All Locations Below

Minutes Away, Test Today

2011 S Texas Ave

12.63 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
2011 S Texas Ave
Bryan, TX 77802

1602 Rock Prairie Rd Ste 260

12.64 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1602 Rock Prairie Rd Ste 260
College Station, TX 77845

1604 Rock Prairie Rd

13.50 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1604 Rock Prairie Rd
College Station, TX 77845

210 S Judson St

13.92 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
210 S Judson St
Navasota, TX 77868

1600 University Dr E

14.43 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1600 University Dr E
College Station, TX 77840

1280 N Fm 1486 Rd

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

9409 Highway 6 Loop

15.10 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9409 Highway 6 Loop
Navasota, TX 77868

1600 Joseph Dr

16.91 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1600 Joseph Dr
Bryan, TX 77802

1703 E 29th St

17.19 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1703 E 29th St
Bryan, TX 77802

1507 S College Ave

17.89 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1507 S College Ave
Bryan, TX 77801

15320 Highway 105 West Ste 120

24.13 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 W Cross St

26.01 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
100 W Cross St
Madisonville, TX 77864

100 Medical Center Pkwy Ste 1000

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

1211 Sam Houston Ave

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

600 N Park St

34.97 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
600 N Park St
Brenham, TX 77833

700 Medical Pkwy

36.42 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
700 Medical Pkwy
Brenham, TX 77833

514 Hwy 290 W

36.59 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
514 Hwy 290 W
Brenham, TX 77833

34624 State Highway 249

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

1103 Woodson Dr

38.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1103 Woodson Dr
Caldwell, TX 77836

4015 Interstate 45 N

39.26 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

39.49 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

40.06 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

40.20 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

40.29 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

42.26 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

42.33 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

14080 Fm 2920 Rd Ste A

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

28465 State Highway 249

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

506 Graham Suite 260

44.33 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,

44.43 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

17350 St Lukes Way Ste 200

45.63 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

235 W Palm St Ste 105

45.67 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
235 W Palm St Ste 105
Bellville, TX 77418

826 S Meyer

45.97 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
826 S Meyer
Sealy, TX 77474

123 Vision Park Blvd

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

8850 Six Pines Drive, Suite 230

46.90 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

2104 Fm 2920 Rd

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

Employment, DOT, Court Ordered, Probation, Family

Accredited Drug Testing provides a wide range of drug and alcohol screening services across 36 distinct testing centers in the Carlos, Texas area. We cater to both DOT and non-DOT requirements, offering urine drug tests, breath alcohol tests, EtG alcohol checks, and hair drug tests for various purposes including personal, occupational, and legal requirements. In Carlos, TX, we provide speedy results with testing facilities that offer SAMSA certified lab analysis and can accommodate same-day service. Most testing centers are conveniently located within a short distance from either your residence or workplace. We also offer Occupational Health Testing, Clinical Testing, and Background Checks.

Reach us at (800) 221-4291 or register online by selecting your desired test and a convenient location. Our testing services are designed for personal use, employees, or third parties. Scheduling a test is straightforward, and you can easily arrange it by contacting our scheduling team or through our 24/7 online platform. The seamless approach ensures quick and easy arrangements for drug testing in Carlos.

* 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 Carlos, TX

1

Order Online or Call

Select your test & search nearby Carlos 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.

Carlos, TX Drug Testing

Drug Testing Services Available at Our Carlos, TX Labs:

At our Carlos 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 Carlos

SAMHSA Certified • MRO Verified

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

Minutes Away, Same-Day Donor Pass

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

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

Major Employment & Commercial Hubs Served:

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

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

Surrounding Areas Served Near Carlos

Anderson-bedias • Singleton • Shiro • Millican • Iola • South Brazos • Wellborn • Navasota

Carlos, 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 Carlos.

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

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

Local Testing Resource Network

More Drug & Alcohol Testing Options in Carlos, TX

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

Carlos Drug Testing

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

Carlos DOT Drug Testing

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

Carlos DNA Testing

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

Carlos Industry Training

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

Carlos Hair Drug Testing

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

Carlos Alcohol Testing

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

Carlos Drug Testing Services

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

Carlos 5 Panel Drug Test

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

Carlos 10 Panel Drug Test

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

Carlos On Site Drug Testing

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

Carlos DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Carlos, 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 36 certified collection sites in the Carlos area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Carlos, 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