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

Drug Testing Locations in Four Corners, TX

With 40 testing centers in the Four Corners 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

40 Drug-Testing Centers in Four Corners

Same-Day Electronic Donor Pass Accepted at All Locations Below

Minutes Away, Test Today

13811 Charterhouse Way

2.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
13811 Charterhouse Way
Sugar Land, TX 77498

1111 Gillingham Ln

3.32 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1111 Gillingham Ln
Sugar Land, TX 77478

1250 7th St

3.56 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1250 7th St
Sugar Land, TX 77478

1201 Lakeview Dr

3.69 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1201 Lakeview Dr
Sugar Land, TX 77478

10521 Corporate Dr

4.37 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
10521 Corporate Dr
Stafford, TX 77477

1403 Highway 6 Ste 100

4.57 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1403 Highway 6 Ste 100
Sugar Land, TX 77478

14023 Southwest Fwy

4.77 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
14023 Southwest Fwy
Sugar Land, TX 77478

1235 Lake Pointe Pkwy # 102

4.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1235 Lake Pointe Pkwy # 102
Sugar Land, TX 77478

15259 Southwest Freeway,

5.11 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
15259 Southwest Freeway,
Sugar Land, TX 77478

16062 Southwest Fwy Ste 2

5.40 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
16062 Southwest Fwy Ste 2
Sugar Land, TX 77479

16902 Southwest Fwy

5.59 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
16902 Southwest Fwy
Sugar Land, TX 77479

16545 Southwest Frwy #225

5.64 mi
🕑 Facility: Mon–Fri: 07:30 AM - 05:00 PM⚡ Drug Screens: Mon–Fri: 07:30 AM - 05:00 PM
16545 Southwest Frwy #225
Sugar Land, TX 77479

12121 Richmond Ave Ste 124,

5.67 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
12121 Richmond Ave Ste 124,
Houston, TX 77082

3531 Town Center Blvd S Ste 101

5.86 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3531 Town Center Blvd S Ste 101
Sugarland, TX 77479

6360 W Sam Houston Pkwy N Ste 200

5.90 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6360 W Sam Houston Pkwy N Ste 200
Houston, TX 77041

9380 W Sam Houston Pkwy S Ste 300

5.90 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9380 W Sam Houston Pkwy S Ste 300
Houston, TX 77099

8101 W Sam Houston Pkwy S Ste 100

5.90 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8101 W Sam Houston Pkwy S Ste 100
Houston, TX 77072

8104 Southwest Fwy Ste E

6.01 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8104 Southwest Fwy Ste E
Houston, TX 77074

3727 Greenbriar Dr Ste 403

6.04 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3727 Greenbriar Dr Ste 403
Stafford, TX 77477

3151 Highway 6

6.07 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3151 Highway 6
Sugar Land, TX 77478

2550 Gray Falls Dr Ste 120

6.13 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2550 Gray Falls Dr Ste 120
Houston, TX 77077

10039 Bissonnet St Ste 120

6.13 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10039 Bissonnet St Ste 120
Houston, TX 77036

11807 Westheimer Rd Ste 560

6.32 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
11807 Westheimer Rd Ste 560
Houston, TX 77077

7101 W Grand Pkwy S

6.34 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7101 W Grand Pkwy S
Richmond, TX 77407

5510-a W Grand Pkwy S

6.34 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5510-a W Grand Pkwy S
Richmond, TX 77406

2929 Woodland Park Dr

6.35 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2929 Woodland Park Dr
Houston, TX 77082

1398 Eldridge Pkwy Ste 113

6.59 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1398 Eldridge Pkwy Ste 113
Houston, TX 77077

9543 Bissonnet St

6.84 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9543 Bissonnet St
Houston, TX 77036

6501 S Fry Rd Ste 1000

7.50 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6501 S Fry Rd Ste 1000
Katy, TX 77494

9000 Southwest Fwy Ste 180

7.55 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9000 Southwest Fwy Ste 180
Houston, TX 77074

14770 Memorial Dr Ste 100

7.59 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
14770 Memorial Dr Ste 100
Houston, TX 77079

8313 Southwest Fwy Ste 111

7.91 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8313 Southwest Fwy Ste 111
Houston, TX 77074

8200 Wednesbury Lane Suite # 4,

7.99 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
8200 Wednesbury Lane Suite # 4,
Houston, TX 77074

952 S Fry Rd,

8.02 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
952 S Fry Rd,
Katy, TX 77450

14045 Memorial Dr

8.12 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-8:00 PM • Sat:,Sun: 8:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
14045 Memorial Dr
Houston, TX 77079

9701 Richmond Ave Ste 115

8.21 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9701 Richmond Ave Ste 115
Houston, TX 77042

10807 Shawnbrook Dr

8.31 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10807 Shawnbrook Dr
Houston, TX 77071

12345 Katy Fwy

8.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
12345 Katy Fwy
Houston, TX 77079

2600 S Gessner Rd Ste 205

8.60 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2600 S Gessner Rd Ste 205
Houston, TX 77063

19450 Katy Fwy

8.61 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
19450 Katy Fwy
Houston, TX 77094

Employment, DOT, Court Ordered, Probation, Family

At our 40 facilities in the Four Corners, Texas area, Accredited Drug Testing delivers extensive drug and alcohol testing solutions. We cater to both DOT and non-DOT urine screens, breath alcohol assessments, EtG alcohol evaluations, and hair drug analyses, serving the needs of individuals, businesses, and legal entities. Rapid results are obtainable in Four Corners, TX, with same-day services, as most testing sites are conveniently located near your residence or workplace. Additional offerings encompass Occupational Health Assessments, Clinical Testing, and Background Verification.

Reach us at (800) 221-4291 or register online to proceed. Choose your test type and a location that's convenient—testing is accessible for personal, employee, or third-party needs. Arranging a test is swift and straightforward; contact our scheduling team or book your test online at any time. Our efficient and intuitive process ensures hassle-free drug testing arrangements near Four Corners.

* 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 Four Corners, TX

1

Order Online or Call

Select your test & search nearby Four Corners 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.

Four Corners, TX Drug Testing

Drug Testing Services Available at Our Four Corners, TX Labs:

At our Four Corners 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 Four Corners

SAMHSA Certified • MRO Verified

Accredited Drug Testing provides employer and individual screening in Four Corners, 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 Four Corners 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 Four Corners, 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 Four Corners 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 Four Corners, TX

Minutes Away, Same-Day Donor Pass

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

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

Major Employment & Commercial Hubs Served:

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

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

Surrounding Areas Served Near Four Corners

Town West • Mission Bend • Sugar Land • Meadows Place • Pecan Grove • New Territory • Horseshoe Bend • Stafford

Four Corners, 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 Four Corners.

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

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 Four Corners facility or job site for groups of 25+ employees.

Local Testing Resource Network

More Drug & Alcohol Testing Options in Four Corners, TX

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

Four Corners Drug Testing

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

Four Corners DOT Drug Testing

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

Four Corners DNA Testing

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

Four Corners Industry Training

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

Four Corners Hair Drug Testing

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

Four Corners Alcohol Testing

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

Four Corners Drug Testing Services

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

Four Corners 5 Panel Drug Test

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

Four Corners 10 Panel Drug Test

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

Four Corners On Site Drug Testing

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

Four Corners DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Four Corners, 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 40 certified collection sites in the Four Corners area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Four Corners, 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