Drug Testing Services - Clayton, CA

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

30 Drug Test Service Centers in Clayton

Minutes Away, Test Today

5167 Clayton Rd Ste H1.95 miles

5167 Clayton Rd Ste H
Concord, CA 94521

3774 Railroad Ave Ste C4.98 miles

3774 Railroad Ave Ste C
Pittsburg, CA 94565

320 Lennon Ln Fl 25.25 miles

320 Lennon Ln Fl 2
Walnut Creek, CA 94598

1001 Pittsburg Antioch Hwy Ste B5.33 miles

1001 Pittsburg Antioch Hwy Ste B
Pittsburg, CA 94565

2477 Pacheco St5.87 miles

2477 Pacheco St
Concord, CA 94520

1251 California Ave Ste 6006.09 miles

1251 California Ave Ste 600
Pittsburg, CA 94565

2425 East Street, Suite 66.09 miles

2425 East Street, Suite 6
Concord, CA 94520

1901 Railroad Ave Ste B6.10 miles

1901 Railroad Ave Ste B
Pittsburg, CA 94565

2540 East St6.13 miles

2540 East St
Concord, CA 94520

108 La Casa Via, Ste 1056.23 miles

108 La Casa Via, Ste 105
Walnut Creek, CA 94598

2339 Buchanan Rd6.36 miles

2339 Buchanan Rd
Antioch, CA 94509

2090 Commerce Ave6.50 miles

2090 Commerce Ave
Concord, CA 94520

2231 Galaxy Ct6.59 miles

2231 Galaxy Ct
Concord, CA 94520

3400 Delta Fair Blvd6.74 miles

3400 Delta Fair Blvd
Antioch, CA 94509

1981 N Broadway Ste 1907.26 miles

1981 N Broadway Ste 190
Walnut Creek, CA 94596

2280 Diamond Blvd Ste 5207.27 miles

2280 Diamond Blvd Ste 520
Concord, CA 94520

1425 S Main St7.47 miles

1425 S Main St
Walnut Creek, CA 94596

401 Gregory Ln, Ste 1467.53 miles

401 Gregory Ln, Ste 146
Pleasant Hill, CA 94523

609 Gregory Ln Ste 1007.90 miles

609 Gregory Ln Ste 100
Pleasant Hill, CA 94523

3901 Lone Tree Way8.38 miles

3901 Lone Tree Way
Antioch, CA 94509

1805 Arnold Dr9.54 miles

1805 Arnold Dr
Martinez, CA 94553

3450 Hillcrest Ave9.68 miles

3450 Hillcrest Ave
Antioch, CA 94531

4501 Sand Creek Rd10.10 miles

4501 Sand Creek Rd
Antioch, CA 94531

827 Arnold Dr Ste 7010.55 miles

827 Arnold Dr Ste 70
Martinez, CA 94553

6001 Norris Canyon Rd Ste 14211.43 miles

6001 Norris Canyon Rd Ste 142
San Ramon, CA 94583

5601 Norris Canyon Rd Ste 14011.43 miles

5601 Norris Canyon Rd Ste 140
San Ramon, CA 94583

3237 Alhambra Ave Ste 211.44 miles

3237 Alhambra Ave Ste 2
Martinez, CA 94553

2301 Camino Ramon Ste 10811.50 miles

2301 Camino Ramon Ste 108
San Ramon, CA 94583

200 Muir Rd Hacienda Bldg, 1st Floor11.52 miles

200 Muir Rd Hacienda Bldg, 1st Floor
Martinez, CA 94553

2400 Balfour Rd Ste 23012.29 miles

2400 Balfour Rd Ste 230
Brentwood, CA 94513

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, a conventional method used to detect illicit drugs and prescriptions, remains a critical tool in safety and compliance programs. Utilizing enzyme immunoassay screening and gas chromatography/mass spectrometry confirmation, it provides reliable data for informed decision-making. Learn More

Purpose of Urine Drug Testing

  • Ensure Workplace Safety
  • Enhance Compliance with Regulations
  • Monitor Substance Abuse Treatment
  • Post-Accident Investigation
  • Pre-Employment Screening
  • Random Testing in Safety-Sensitive Positions

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • Benzodiazepines
  • Barbiturates

By providing detailed insights into an individual’s drug use, urine drug testing in Clayton, California serves as a vital instrument in promoting healthier and safer communities.

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Alcohol Test Services

Alcohol testing is crucial for assessing recent alcohol consumption and ensuring public safety. It is commonly used in various settings like workplaces, medical facilities, and legal investigations to detect alcohol levels and ensure compliance with alcohol consumption policies.

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Alcohol Testing is used in many settings

  • Workplace compliance
  • Legal investigations
  • Accident analysis
  • Substance abuse treatment
  • Safety-sensitive environments
  • Pre-employment screening

Common Methods of Alcohol Testing

  • Breathalyzer
  • Blood test
  • Saliva test
  • Urine test
  • Hair analysis
  • Sweat patches

Breathalyzer - Used for quick, on-site alcohol readings by measuring breath alcohol levels.

Blood test - Provides the most accurate level of alcohol currently in the system.

Saliva test - Detects alcohol presence through oral fluids and is less invasive.

Urine test - Identifies alcohol consumption over a longer period, up to 24-48 hours.

Through these diverse methods, alcohol testing in Clayton, California remains an essential component for ensuring public safety and compliance.

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Hair Follicle Drug Testing Services

Hair follicle drug testing in Clayton, California analyzes hair samples to detect drug use over a longer period. This method is highly regarded for its accuracy and ability to uncover historical substance use patterns.

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Why Use Hair Drug Testing?

  • Extended detection window
  • Low risk of evasion
  • Non-invasive collection
  • Comprehensive drug panel
  • Highly reliable results

What Drugs Can Be Detected

  • Cocaine
  • Methamphetamines
  • Opiates
  • Marijuana
  • Benzodiazepines

In Clayton, California, hair testing is a preferred choice for its thoroughness and durability, suitable for both personal and professional contexts.

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DOT Drug Testing Services

DOT drug testing is a federally mandated program for employees in safety-sensitive positions such as transportation. It involves regulated procedures including urine samples to ensure compliance with safety standards, reducing risks associated with drug use.

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Who is Required to Take DOT Drug Tests?

  • Commercial driver's license holders
  • Aircraft pilots
  • Railroad operators
  • Pipeline workers
  • Maritime captains
  • Public transit employees

What Drugs Are Tested For

  • Marijuana
  • Cocaine
  • Opioids
  • Phencyclidine (PCP)
  • Amphetamines

In, Clayton, California, DOT drug testing safeguards transportation systems through strict adherence to federal guidelines. Our services ensure comprehensive compliance and safety, benefiting both employees and employers statewide.

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Probation Drug Testing Services

Probation drug testing in Clayton, California involves monitoring individuals on probation to ensure compliance with terms set by the court. It forms a crucial part of public safety and rehabilitation programs by identifying prohibited drug use. Testing methods include urine, hair, blood, and saliva tests to ensure comprehensive monitoring.

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Why Are Probation Drug Test Services Available?

  • Ensures compliance: Verifies adherence to legal terms.
  • Promotes rehabilitation: Supports recovery goals.
  • Protects community safety: Reduces public risk.
  • Monitors drug abstinence: Confirms drug-free status.
  • Facilitates judicial process: Informs court decisions.

Testing Methods

  • Urine tests: Common method for recent use detection.
  • Hair follicle tests: Identifies long-term use patterns.
  • Saliva tests: Detects recent drug intake.
  • Blood tests: Provides precise substance levels.

Probation drug testing in Clayton, California remains a vital tool for enabling offenders to reintegrate successfully into society while maintaining accountability.

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Court Ordered Drug Testing Services

Court ordered drug testing mandates individuals to undergo tests for substance use compliance in legal proceedings, such as custody cases or drug-related offenses. Procedures can include urine, hair follicle, saliva, blood, and nail tests, providing essential evidence.

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Why are Court Ordered Drug Test Services Available?

  • Ensure fair legal proceedings
  • Substance abuse monitoring
  • Child custody evaluations
  • DUI or drug-related offenses management
  • Rehabilitative progress checks

Court Ordered Test Methods

  • Urine tests: Widely used, quick results
  • Hair follicle tests: Long detection window
  • Saliva tests: Effective for recent use detection
  • Blood tests: Measures current intoxication
  • Nail tests: Provides extended drug use history

In Clayton, California, court ordered drug testing provides a reliable means to maintain legal integrity and support rehabilitation processes, addressing both legal and social challenges associated with substance misuse.

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Fingernail Drug Testing Services

Fingernail drug testing involves analyzing keratin fibers from nails to detect drug residues, offering a unique view into substance usage. With up to six months of drug history, it serves as a reliable method in Clayton, California for comprehensive drug abuse evaluations.

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What is the Detection Window for Fingernail Drug Tests

  • Fingernails: Can detect drug use history for up to six months.
  • Toenails: Provides an even longer detection period.

What Drugs Can Be Detected

  • Marijuana
  • Heroin
  • Amphetamines
  • Cocaine
  • MDMA

Advantages over other methods

  • Extended detection period
  • Less invasive than hair tests
  • Non-biological risk of adulteration
  • Stable sample integrity
  • Offers clear historical insights

In Clayton, California, fingernail drug testing is appreciated for its accuracy, long-term use detection, and ability to withstand sample tampering, proving its value in various legal and occupational settings.

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Occupational Health Test Services

Urine drug testing in NJ is part of comprehensive occupational health testing to ensure workplace safety. It identifies drug use among employees, helping maintain a healthy work environment and comply with safety regulations, which is vital for productivity and legal adherence.

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Purpose of Occupational Health Testing

  • Ensure employee health and safety
  • Boost overall workplace productivity
  • Comply with occupational health standards
  • Detect and prevent substance abuse
  • Provide baseline health assessments
  • Support wellness programs

Common Types of Occupational Health Tests

  • Fitness for duty exams: Assess ability to perform specific job functions.
  • Respirator Fit Testing: Ensure proper respirator fit for protective use.
  • Pulmonary Function Tests (PFT's): Evaluate lung capacity for occupational exposure situations.
  • Tuberculosis (TB): Screen for TB infection and prevent workplace transmission.
  • Vision: Check visual acuity necessary for job tasks.
  • Audiometric: Assess hearing capabilities in noisy environments.

Through these procedures, NJ workplaces foster a secure and efficient operational environment, adhering to health standards.

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Drug Statistics for Clayton, California

  • Drug-related Offenses: Clayton, being a small and closely-knit community, has relatively low rates of drug-related offenses compared to its larger counterparts in the Bay Area.
  • Substance Abuse Programs: The city offers access to several drug prevention and rehabilitation programs, aimed at reducing drug dependency within the community.
  • Public Safety Initiatives: Clayton's law enforcement actively collaborates with local organizations to promote drug-free environments through educational outreach and support programs aimed at youth and families.

Clayton Drug Testing

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

Clayton DOT Drug Testing

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

Clayton DNA Testing

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

Clayton Industry Training

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

Clayton Hair Drug Testing

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

Clayton Alcohol Testing

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

Clayton Drug Testing Services

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

Clayton 5 Panel Drug Test

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

Clayton 10 Panel Drug Test

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

Clayton On Site Drug Testing

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

Clayton DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Clayton, 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

Employers, attorneys, probation officers, courts, and private individuals can all request testing. In most cases, no physician referral is required. An individual may request personal testing for documentation, family-related concerns, or peace of mind.
Available options include 5 panel and 10 panel drug tests, hair follicle tests for longer detection windows, urine drug screens for standard workplace needs, saliva/oral fluid testing for recent use detection, and evidential breath alcohol testing. Customized panels can also be arranged based on policy or legal requirements.
Yes. Accredited Drug Testing supports DOT-regulated and other safety-sensitive positions with required testing such as random, post-accident, reasonable suspicion, return-to-duty, and follow-up testing, following proper procedures and documentation.
Yes. Post-accident and reasonable suspicion testing are available to help document whether drugs or alcohol may have been a factor in a workplace incident or observed behavior. On-site/mobile response is available for urgent situations to limit downtime and capture timely results.
Yes. Results are released only to the authorized party — for example, an employer’s designated representative, a court or probation contact, or the individual who requested the test. Accredited Drug Testing follows secure reporting practices.
If an initial screen is not negative, the sample goes through confirmatory testing using more specific analytical methods. Final results are not reported until confirmation is complete to ensure accuracy and defensibility.
Yes. Accredited Drug Testing offers on-site/mobile collections for employers. Mobile collections reduce employee downtime, are useful for job sites and remote work locations, and are critical for immediate post-incident or reasonable suspicion situations.
Common specimen types include urine, hair, saliva/oral fluid, and breath (for alcohol). Each method supports different needs: urine is widely used for workplace testing, hair provides a longer detection history, saliva/oral fluid can capture more recent use, and breath alcohol testing measures current alcohol concentration.

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

test was quick and easy

Company New Hire Employee Process for DOT Drug test was quick and easy. No need to make appt. All employee had to do is show prepaid qr code I sent to employee show ID and was set. Would Recommend.

Maria Lopez - 11/19/2024

Kind and very helpful

Called around for hours and posted from company to person and got nowhere and had to fight to get a refund die to there miss information, well save time and sanity Acredited is the ONLY place the person was kind and very helpful, said what I needed and Faith the lady I dealt with made it simple and she did above and beyond everything I needed, as I'm going through a devorse this was a great help and made my day 100 stars from me.

Steven Harrison - 12/19/2024


(800) 221-4291