Drug Test Services - Greenfield, CA

Urine | Hair | DOT | Oral Fluid | Alcohol/ETG | Occupational Health

With 23 testing centers in the Greenfield 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.

23 Drug Test Service Centers in Greenfield

Minutes Away, Test Today

542 Baywood Way

0.84 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
542 Baywood Way
Greenfield, CA 93927

809 Broadway St

9.74 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
809 Broadway St
King City, CA 93930

1180 Broadway St

9.74 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1180 Broadway St
King City, CA 93930

300 Canal St

9.84 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
300 Canal St
King City, CA 93930

947 Blanco Cir Ste A

31.99 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
947 Blanco Cir Ste A
Salinas, CA 93901

535 E Romie Ln Ste 4

32.53 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
535 E Romie Ln Ste 4
Salinas, CA 93901

212 San Jose Street, Suite 101

32.54 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
212 San Jose Street, Suite 101
Salinas, CA 93901

558 Abbott St Ste A

32.60 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
558 Abbott St Ste A
Salinas, CA 93901

558 Abbott St

32.60 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
558 Abbott St
Salinas, CA 93901

546 Abbott St Ste 5

32.62 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
546 Abbott St Ste 5
Salinas, CA 93901

1212 S Main St

32.93 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1212 S Main St
Salinas, CA 93901

1024 S Main St Ste E

33.12 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1024 S Main St Ste E
Salinas, CA 93901

831 S Main St

33.22 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
831 S Main St
Salinas, CA 93901

2 Rossi Cir

34.89 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2 Rossi Cir
Salinas, CA 93907

On-site Only

36.57 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
On-site Only
Seaside, CA 93955

591 Mccray St Ste 101

37.70 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
591 Mccray St Ste 101
Hollister, CA 95023

1513 Fremont Blvd Ste E1

39.13 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1513 Fremont Blvd Ste E1
Seaside, CA 93955

3130 Del Monte Blvd

40.13 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3130 Del Monte Blvd
Marina, CA 93933

245 Washington St

41.12 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-3:00 PM✓ Walk-in with Electronic Donor Pass
245 Washington St
Monterey, CA 93940

499 Alvarado St

41.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
499 Alvarado St
Monterey, CA 93940

757 Pacific Street, Suite B1

41.16 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
757 Pacific Street, Suite B1
Monterey, CA 93940

23625 Holman Hwy

41.57 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
23625 Holman Hwy
Monterey, CA 93940

501 Lighthouse Ave

41.92 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
501 Lighthouse Ave
Monterey, CA 93940

Employers | Individuals | Families

Accredited Drug Testing provides comprehensive drug and alcohol testing services to promote workplace safety, meet compliance requirements, and support legal or personal needs for testing. Drug Testing helps prevent accidents, ensures a drug-free workplace,and meets Federal mandates such as those outlined by the Department of Transportation (DOT)

Drug Testing Services

Customized Testing Options Available | Discounts available for Bulk Purchases | Onsite Drug Testing Services

Urine Drug Testing Services

Urine drug testing in Greenfield, California is a popular method for detecting recent drug use. The test analyzes urine samples for the presence of specific drugs and their metabolites to provide reliable results. It is a non-invasive process that offers a balance of accuracy and cost-effectiveness.

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Purpose of Urine Drug Testing

  • Employee screening
  • Legal compliance
  • Rehabilitation programs
  • Parental monitoring
  • Sports testing

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Amphetamines
  • Opiates
  • PCP

Ultimately, urine drug testing remains an effective measure for identifying potential substance abuse, guiding meaningful intervention approaches in WA. Our testing services adhere to stringent protocols to deliver accurate and timely results, ensuring confidence in every test conducted.

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Alcohol Test Services

Alcohol testing in Greenfield, California is designed to measure the level of alcohol in a person’s system and determine any impairment. Various industries rely on alcohol testing to ensure safety and compliance with regulations.

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Alcohol Testing is used in many settings

  • Workplace safety
  • Transportation industry
  • Refinery operations
  • Law enforcement
  • Court orders
  • Rehabilitation programs

Common Methods of Alcohol Testing

  • Breathalyzer
  • Blood tests
  • Saliva tests
  • Urine tests
  • Hair tests

Breathalyzer - Commonly used by law enforcement for roadside testing.

Blood tests - Provide accurate BAC levels in legal settings.

Saliva tests - Quick and non-invasive; used in several industries.

Urine tests - Detects alcohol consumption within the past few days.

Hair tests - Used for long-term detection of alcohol consumption.

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Hair Follicle Drug Testing Services

Hair follicle drug testing in Greenfield, California is a definitive measure that reveals long-term substance use over a period of up to 90 days. This test utilizes a small sample of hair to trace drug metabolites that persist in the hair shaft, providing a record of past drug use without revealing more recent activity. It is often preferred due to its reliability.

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Why Use Hair Drug Testing?

  • Long detection period
  • Difficult to adulterate
  • Non-invasive collection
  • Suitable for legal contexts
  • Comprehensive results

What Drugs Can Be Detected

  • Cocaine
  • Heroin
  • Amphetamines
  • MDMA
  • Marijuana

In Greenfield, California, using hair follicle tests enables organizations to uphold standards of accountability and safety by utilizing a testing method that provides a detailed view of an individual's drug history, thus reinforcing drug-free commitments over the long term.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing in Greenfield, California is a mandated program overseeing the safety-sensitive activities related to transportation industries. The Department of Transportation (DOT) establishes guidelines for testing to ensure compliance, safety, and to discourage drug use among drivers and other safety-sensitive positions.

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Who is Required to Take DOT Drug Tests?

  • Truck drivers
  • Bus operators
  • Cargo handlers
  • Pilots
  • Railroad workers
  • Marine personnel
  • Pipeline operators

What Drugs Are Tested For

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • PCP
  • Methamphetamines

In Greenfield, California, compliance with DOT drug testing regulations remains crucial for ensuring public safety. By maintaining strict standards, the program supports the integrity and efficiency of the nation's transportation systems.

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Probation Drug Testing Services

Probation drug testing in , CO involves assessing probationers for illegal substance use as part of compliance monitoring. This testing is typically mandated by the court and involves various biological samples to ensure individuals remain substance-free throughout their probation.

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Why Are Probation Drug Test Services Available?

  • Ensure compliance: Verifies adherence to probation terms.
  • Rehabilitation support: Encourages sobriety.
  • Public safety: Reduces substance abuse consequences.
  • Prevent recidivism: Discourages repeat offenses.
  • Accountability: Holds individuals responsible.
  • Monitoring progression: Tracks rehabilitative progress.

Testing Methods

  • Urine tests: Most common for general screening.
  • Hair follicle tests: Extended detection window.
  • Saliva tests: Immediate detection for recent use.
  • Blood tests: Highly accurate for specific scenarios.

Probation drug testing in Greenfield, California ensures that individuals adhere to legal requirements and contribute positively to their communities.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing mandates testing individuals involved in legal proceedings for drugs to ensure compliance with legal expectations and contribute to child custody and criminal cases. Assessing recent and long-term use, this testing is pivotal for informed judgments. Learn More

Why are Court Ordered Drug Test Services Available?

  • Ensure Legal Compliance
  • Safeguard Children in Custody Disputes
  • Aid in Rehabilitation Efforts
  • Monitor Parole and Probation Compliance
  • Facilitate Clear Judicial Proceedings
  • Protect Public and Victim Safety

Court Ordered Test Methods

  • Urine Tests: Common and cost-effective
  • Hair Follicle Tests: Long-term drug use detection
  • Saliva Tests: Immediate and non-invasive
  • Blood Tests: Precise for recent use
  • Nail Tests: Capture broad substance use window

Court ordered drug testing in Greenfield, California is fundamental in forming judicious decisions and promoting responsible behavior among individuals within the judicial system.

Order Your Test Online

Fingernail Drug Testing Services

Fingernail drug testing in Greenfield, California offers a unique approach to detecting drug use. It works by analyzing keratin cells in the nail, providing an extended detection period. Trusted for its accuracy, this type of testing is useful for situations where long-term monitoring is needed, offering detailed substance histories.

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What is the Detection Window for Fingernail Drug Tests

  • Fingernails: Detects drug use over a 6-month period.
  • Toenails: Longer detection, up to 12 months.

What Drugs Can Be Detected

  • Cocaine
  • Marijuana
  • MDMA
  • Opiates
  • Methamphetamine

Advantages over other methods

  • Uncompromised samples
  • Extensive detection period
  • Easy to collect
  • Non-invasive
  • Highly accurate results

In Greenfield, California, fingernail drug testing is valued for its comprehensive results and wide detection window. It's especially useful for long-term case management and legal situations requiring proven substance histories.

Order Your Test Online

Occupational Health Test Services

Occupational health testing in Greenfield, California encompasses a wide range of tests to ensure workplace safety and employee well-being, from drug screenings to physical fitness examinations.

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Purpose of Occupational Health Testing

  • Maintain workplace safety
  • Reduce health risks
  • Ensure compliance with regulations
  • Enhance employee productivity
  • Identify occupational hazards

Common Types of Occupational Health Tests

  • Fitness for duty exams: Ensure employee capability.
  • Respirator Fit Testing: Protect against hazardous inhalation.
  • Pulmonary Function Tests (PFT's): Evaluate lung health.
  • Tuberculosis (TB): Screen for contagious TB disease.
  • Vision: Ensure visual acuity meets job requirements.
  • Audiometric: Test hearing to protect against noise exposure.

Occupational health testing in Greenfield, California supports a productive and safe work environment, essential for both employer and employee success.

Order Your Test Online

Drug Statistics for Greenfield, California

Drug-Related Statistics in Greenfield, California:

  • While specific local statistics may vary, California as a whole reports notable rates of drug use, with efforts to address opioid abuse and substance addiction being a priority statewide.
  • Greenfield has implemented community awareness programs and supports addiction prevention initiatives to mitigate drug-related issues.
  • Collaboration between local law enforcement and health services aims to reduce substance abuse and promote rehabilitation within the community.

Drug Testing Regulations in California

Employer drug testing in Greenfield must comply with state guidelines under Cal. Lab. Code § 1025 et seq.. California AB 2188 requires non-psychoactive cannabis metabolite protections while retaining full employer rights for pre-employment, post-accident, and safety-sensitive testing.

Medical Marijuana Status: Legal  |  Recreational Marijuana Status: Legal

Surrounding Areas Served Near Greenfield

Soledad • King City • Pine Canyon • San Benito • San Benito-bitterwater • San Lucas • Chualar

Drug & Alcohol Test Selection & Panel Comparison

Test Type / Panel Detection Window Common Applications Turnaround Time
5-Panel Urine Screen 1 to 5 Days Standard Pre-Employment, Random & Workplace Testing 24 to 48 Hours
10-Panel Urine Screen 1 to 7 Days Expanded Employment, Healthcare & Probation 24 to 48 Hours
Hair Follicle Drug Test Up to 90 Days Long-Term Monitoring, Court-Ordered & Custody 3 to 5 Business Days
Oral Fluid / Saliva Screen 1 to 48 Hours Immediate Recent-Use Screening & On-Site Testing 24 to 48 Hours
ETG Alcohol Testing Up to 80 Hours Court-Ordered Alcohol Abstinence & Probation Monitoring 24 to 48 Hours

Greenfield Drug Testing

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

Greenfield DOT Drug Testing

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

Greenfield DNA Testing

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

Greenfield Industry Training

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

Greenfield Hair Drug Testing

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

Greenfield Alcohol Testing

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

Greenfield Drug Testing Services

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

Greenfield 5 Panel Drug Test

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

Greenfield 10 Panel Drug Test

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

Greenfield On Site Drug Testing

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

Greenfield DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Greenfield, 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 0 certified collection sites in the Greenfield area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Greenfield, 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

This is by far the easiest

This is by far the easiest way to get my lab work ordered and paid for. The phone calls are short and to the point. They don’t try to push extra sales on you and when I walk in to the clinic I simply show my donor pass and with in a matter of minutes I’m done. I will continue to use ADT in the future.

Jason Jackson - 7/19/2025

Fantastic Experience

Fantastic experience from the beginning. Jocelyn was very helpful to me as someone who doesn’t have much experience in needing a test. They were very helpful and walked me through the entire process start to finish. Thank you ADT!

Riley Wilson - 2/18/2025

Explained everything so no questions

Torin was great. Explained everything so no questions

Tony Lombardo - 4/18/2025


(800) 221-4291