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

Drug Testing Locations in Willowbrook, CA

With 34 testing centers in the Willowbrook 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

34 Drug-Testing Centers in Willowbrook

Same-Day Electronic Donor Pass Accepted at All Locations Below

Minutes Away, Test Today

11152 S Main St

1.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
11152 S Main St
Los Angeles, CA 90061

15401 S Main St

2.12 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
15401 S Main St
Gardena, CA 90248

2499 S Wilmington Ave

2.72 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
2499 S Wilmington Ave
Compton, CA 90220

3611 Mlk Blvd Ste 108

2.75 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3611 Mlk Blvd Ste 108
Lynwood, CA 90262

16630 S Broadway St

2.82 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
16630 S Broadway St
Gardena, CA 90248

1300 W 155th St Ste 109

3.07 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1300 W 155th St Ste 109
Gardena, CA 90247

2301 W El Segundo Blvd

4.15 mi
🕑 Testing Hours: Mon–Fri: 24 hrs✓ Walk-in with Electronic Donor Pass
2301 W El Segundo Blvd
Hawthorne, CA 90250

1149 W 190th St

4.50 mi
🕑 Testing Hours: M-Sun: 24 hrs✓ Walk-in with Electronic Donor Pass
1149 W 190th St
Gardena, CA 90248

19301 S Santa Fe Ave Ste 120

4.57 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
19301 S Santa Fe Ave Ste 120
Compton, CA 90221

6529 Seville Ave

4.74 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6529 Seville Ave
Huntington Park, CA 90255

20401 Avalon Blvd Ste C

4.83 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
20401 Avalon Blvd Ste C
Carson, CA 90746

5862 Avalon Blvd

4.95 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5862 Avalon Blvd
Los Angeles, CA 90003

455 E Carson Plaza Dr

4.99 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
455 E Carson Plaza Dr
Carson, CA 90746

7300 Alondra Blvd Ste 108

5.19 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7300 Alondra Blvd Ste 108
Paramount, CA 90723

14619 Prairie Ave

5.32 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
14619 Prairie Ave
Lawndale, CA 90260

11633 Hawthorne Blvd #215

5.67 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
11633 Hawthorne Blvd #215
Hawthorne, CA 90250

16444 Paramount Blvd

5.89 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
16444 Paramount Blvd
Paramount, CA 90723

16660 Paramont Blvd Ste 102

5.96 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
16660 Paramont Blvd Ste 102
Paramount, CA 90723

4580 Pacific Blvd

6.10 mi
🕑 Testing Hours: M-Sun: 24 hrs✓ Walk-in with Electronic Donor Pass
4580 Pacific Blvd
Vernon, CA 90058

4253 Redondo Beach Blvd

6.26 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4253 Redondo Beach Blvd
Lawndale, CA 90260

9353 Imperial Hwy Garden Medical Office,3rd Floor

6.57 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9353 Imperial Hwy Garden Medical Office,3rd Floor
Downey, CA 90242

21081 S Western Ave Ste 150

6.67 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
21081 S Western Ave Ste 150
Torrance, CA 90501

3364 E Slauson Ave

6.75 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3364 E Slauson Ave
Vernon, CA 90058

3851 S Soto St

6.82 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
3851 S Soto St
Vernon, CA 90058

3688 S Soto St

6.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3688 S Soto St
Vernon, CA 90058

1907 E Washington Blvd

7.19 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1907 E Washington Blvd
Los Angeles, CA 90021

3320 S Hill St

7.21 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3320 S Hill St
Los Angeles, CA 90007

11411 Brookshire Ave Ste 408

7.23 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
11411 Brookshire Ave Ste 408
Downey, CA 90241

23601 Avalon Blvd Ste 104

7.34 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
23601 Avalon Blvd Ste 104
Carson, CA 90745

920 N Nash St

7.63 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
920 N Nash St
El Segundo, CA 90245

2476 S Atlantic Blvd

7.70 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-4:00 PM • Sat: 8:30 AM-1:00 PM✓ Walk-in with Electronic Donor Pass
2476 S Atlantic Blvd
Commerce, CA 90040

5205 Lakewood Blvd

7.83 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5205 Lakewood Blvd
Lakewood, CA 90712

5203 Lakewood Blvd

7.83 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5203 Lakewood Blvd
Lakewood, CA 90712

21320 Hawthorne Blvd Ste 227

7.95 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
21320 Hawthorne Blvd Ste 227
Torrance, CA 90503

Employment, DOT, Court Ordered, Probation, Family

With 34 testing locations in Willowbrook, California, Accredited Drug Testing is your go-to for thorough drug and alcohol testing solutions. Our offerings encompass DOT and non-DOT urine drug screenings, breathalyzer alcohol evaluations, EtG alcohol analysis, and hair follicle tests for personal, employment, or legal purposes. We are proud to deliver quick result options and SAMSA certified lab evaluations, with many centers conveniently located near your home or office for same-day service. We also provide Occupational Health, Clinical Testing, and Background Verification solutions.

Get in touch at (800) 221-4291 or visit us online to register. Choose your desired test and select a nearby center—services are available for personal, employee, or third-party testing. Booking a test is seamless, thanks to our accessible scheduling team or 24/7 online system. Our efficient and straightforward process ensures you can easily organize drug screenings within Willowbrook.

* 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 Willowbrook, CA

1

Order Online or Call

Select your test & search nearby Willowbrook 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.

Willowbrook, CA Drug Testing

Drug Testing Services Available at Our Willowbrook, CA Labs:

At our Willowbrook 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

California Drug Testing Laws & Compliance in Willowbrook

SAMHSA Certified • MRO Verified

Accredited Drug Testing provides employer and individual screening in Willowbrook, CA adhering strictly to Cal. Lab. Code § 1025 et seq., federal DOT 49 CFR Part 40 guidelines, and certified SAMHSA laboratory chain-of-custody standards.

Statutory Citation
Cal. Lab. Code § 1025 et seq.
Medical Marijuana
Legal
Recreational Cannabis
Legal
Workplace Rights
Zero-Tolerance Protected

California AB 2188 requires non-psychoactive cannabis metabolite protections while retaining full employer rights for pre-employment, post-accident, and safety-sensitive testing.

Under Cal. Lab. Code § 1025 et seq., employers in Willowbrook 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; Recreational: Legal in California), 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 Willowbrook, 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 Willowbrook and California.

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 Willowbrook, CA

Minutes Away, Same-Day Donor Pass

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

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

Major Employment & Commercial Hubs Served:

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

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

Surrounding Areas Served Near Willowbrook

West Rancho Dominguez • West Compton • Compton • West Athens • Lynwood • Westmont • South Gate • East Rancho Dominguez

Willowbrook, CA 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 Willowbrook.

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

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 Willowbrook.

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

Local Testing Resource Network

More Drug & Alcohol Testing Options in Willowbrook, CA

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

Willowbrook Drug Testing

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

Willowbrook DOT Drug Testing

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

Willowbrook DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Willowbrook, CA.

Willowbrook Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Willowbrook, CA.v

Willowbrook Hair Drug Testing

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

Willowbrook Alcohol Testing

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

Willowbrook Drug Testing Services

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

Willowbrook 5 Panel Drug Test

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

Willowbrook 10 Panel Drug Test

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

Willowbrook On Site Drug Testing

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

Willowbrook DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Willowbrook, CA 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 California, workplace drug testing is governed by statutory guidelines under Cal. Lab. Code § 1025 et seq.. Private employers generally operate under a Labor Code § 1025 and AB 2188 guidelines, permitting pre-employment, random, post-accident, and reasonable suspicion testing.
Yes. Employers in California who implement a certified Drug-Free Workplace Program in compliance with Cal. Lab. Code § 1025 et seq. can qualify for insurance premium discounts and enhanced legal protections during workers' compensation claims.
Under California state law compliance standards, state statutes prohibits adverse action for off-duty non-psychoactive cannabis use. Safety-sensitive positions, DOT-regulated roles, and federal contract compliance remain strictly zero-tolerance across all jurisdictions.
Accredited Drug Testing provides access to 34 certified collection sites in the Willowbrook area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Willowbrook, 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

Excellent service!

Excellent service! Trish went above and beyond to find me a testing site as close to my home as possible. Results were faster than expected, as well. Thanks for your help, Trish and Accredited!

Es Hache - 4/13/2025

Reception is kind and helpful

Reception is kind and helpful , everything quick and simple , best urgent care

Yusuf Narmuradov - 11/19/2024

Fast and efficient service

Fast and efficient service for employers wanting to do pre employment drug screening that meets DOT requirements!!

Mary Thomas - 4/5/2025


(800) 221-4291