Drug Test Services - Castroville, CA

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

With 32 testing centers in the Castroville 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.

32 Drug Test Service Centers in Castroville

Minutes Away, Test Today

3130 Del Monte Blvd

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

2 Rossi Cir

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

831 S Main St

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

1024 S Main St Ste E

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

1212 S Main St

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

546 Abbott St Ste 5

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

558 Abbott St

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

558 Abbott St Ste A

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

212 San Jose Street, Suite 101

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

535 E Romie Ln Ste 4

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

947 Blanco Cir Ste A

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

1505 Main St

10.45 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1505 Main St
Watsonville, CA 95076

846 Freedom Blvd

10.54 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
846 Freedom Blvd
Watsonville, CA 95076

On-site Only

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

75 Neilson St Ste 1432

11.39 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
75 Neilson St Ste 1432
Watsonville, CA 95076

1513 Fremont Blvd Ste E1

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

501 Lighthouse Ave

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

245 Washington St

13.60 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

13.87 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

14.15 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

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

9030 Soquel Dr

16.33 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9030 Soquel Dr
Aptos, CA 95003

6800 Soquel Dr

17.73 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6800 Soquel Dr
Aptos, CA 95003

7880 Wren Ave Ste C133

19.40 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7880 Wren Ave Ste C133
Gilroy, CA 95020

7880 Wren Avenue, Suite A114

19.41 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7880 Wren Avenue, Suite A114
Gilroy, CA 95020

1595 Soquel Drive, Suite 100

19.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1595 Soquel Drive, Suite 100
Santa Cruz, CA 95065

1505 Soquel Dr Ste 3

19.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1505 Soquel Dr Ste 3
Santa Cruz, CA 95065

190 Leavesley Rd

20.29 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
190 Leavesley Rd
Gilroy, CA 95020

8833 Monterey Rd

20.48 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8833 Monterey Rd
Gilroy, CA 95020

615 Ocean St

20.55 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
615 Ocean St
Santa Cruz, CA 95060

591 Mccray St Ste 101

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

50 East Main Avenue, Suite B

25.86 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
50 East Main Avenue, Suite B
Morgan Hill, CA 95037

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 Castroville, California is a widely used method for detecting the presence of drugs or their metabolites. It involves analyzing a urine sample to identify recent drug use, typically within the past few days.

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Purpose of Urine Drug Testing

  • Pre-employment screening
  • Legal compliance
  • Monitoring substance abuse treatment
  • Maintaining workplace safety
  • Random testing programs
  • Post-accident investigations

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Amphetamines
  • Opiates
  • PCP
  • Benzodiazepines

Urine drug testing in Castroville, California is an efficient and non-invasive way to ensure compliance and safety in various environments. It offers quick results, making it suitable for both legal and employment-related purposes.

Order Your Test Online

Alcohol Test Services

Alcohol testing in Castroville, California is an essential procedure utilized to measure the amount of alcohol present in an individual’s body. It ensures the safety and compliance in various environments, including workplaces and legal settings. With accurate measurement techniques, it supports responsible and safe behavior evaluation.

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Alcohol Testing is used in many settings

  • Workplace safety programs
  • Legal and court-mandated testing
  • Rehabilitation program monitoring
  • Random testing in schools
  • Compliance with transportation laws

Common Methods of Alcohol Testing

  • Breath analysis
  • Blood tests
  • Saliva tests
  • Urine tests
  • Sweat patches

Breath analysis - Used for immediate results at traffic stops or workplace sites.

Blood tests - Offers precise measurements, used in legal settings.

Saliva tests - Provides quick detection, often used in schools.

Urine tests - Monitors long-term use in rehabilitation programs.

Sweat patches - Detects continuous alcohol exposure over time.

Order Your Test Online

Hair Follicle Drug Testing Services

Hair follicle drug testing involves analyzing a small sample of hair to detect drug use over a longer period compared to other methods. It is highly effective for uncovering habitual use due to its extended detection window. This method offers a secure and non-invasive way to maintain safety and compliance standards.

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Why Use Hair Drug Testing?

  • Extended detection period
  • Non-invasive collection
  • Hard to adulterate
  • Comprehensive drug panel
  • Legal and workplace compliance

What Drugs Can Be Detected

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

In Castroville, California, hair follicle testing offers reliable insights into long-term drug use, providing a comprehensive tool for ensuring compliance and safety in various situations.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing in Castroville, California is crucial for maintaining safety standards in transportation. By law, certain employees undergo regular screenings to ensure they are drug-free. This testing contributes to road safety and compliance with federal guidelines for safety-sensitive transportation roles.

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Who is Required to Take DOT Drug Tests?

  • Commercial truck drivers
  • Bus drivers
  • Aviation personnel
  • Maritime operators
  • Pipeline workers
  • Public transport operators
  • Railroad workers

What Drugs Are Tested For

  • THC
  • Methamphetamines
  • Opiates
  • Phencyclidine (PCP)
  • Cocaine

With stringent regulations in place, DOT drug testing in Castroville, California ensures not only compliance but also the safety of employees and the public. Upholding these standards is vital for the well-being of all on the roads.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing in Castroville, California is a critical part of the legal supervision system, ensuring that individuals comply with the conditions set by the court. This form of testing aims to deter drug use, monitor compliance, and support rehabilitation efforts while the individual is under probationary regulation.

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Why Are Probation Drug Test Services Available?

  • Rehabilitation: Support sobriety
  • Deterrence: Discourage use
  • Compliance: Monitor adherence
  • Early Intervention: Identify issues early
  • Public Safety: Reduce risk of reoffense

Testing Methods

  • Urine tests: Common detection
  • Hair follicle tests: Long-term view
  • Saliva tests: Recent use indication
  • Blood tests: Precise analysis

Probation drug testing in Castroville, California is essential for the rehabilitation process, offering various testing methods to ensure comprehensive monitoring and support compliance.

Order Your Test Online

Court Ordered Drug Testing Services

Court-ordered drug testing involves mandatory testing by judicial order as part of sentencing or pretrial conditions. This testing ensures compliance with legal requirements and supports rehabilitation efforts.

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Why are Court Ordered Drug Test Services Available?

  • Compliance with legal directives
  • Rehabilitation monitoring
  • Public safety
  • Family custody cases
  • Pretrial conditions

Court Ordered Test Methods

  • Urine tests: Detects recent drug use
  • Hair follicle tests: Provides a longer detection window
  • Saliva tests: Quick, non-invasive testing
  • Blood tests: Precise but invasive
  • Nail tests: Offers extended detection period
Court-ordered drug testing in DC ensures compliance with legal frameworks, aiding in rehabilitation processes and societal safety.

Order Your Test Online

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 Castroville, 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 Castroville, 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.

Order Your Test Online

Occupational Health Test Services

Occupational health testing in Castroville, California encompasses a variety of assessments designed to ensure workplace health and safety by evaluating employees' physical and mental fitness.

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Purpose of Occupational Health Testing

  • Ensuring workplace safety
  • Preventing occupational hazards
  • Monitoring employee health
  • Enhancing productivity
  • Complying with regulations

Common Types of Occupational Health Tests

  • Fitness for duty exams: Assess physical ability
  • Respirator Fit Testing: Ensures proper mask fitting
  • Pulmonary Function Tests (PFT's): Evaluates lung health
  • Tuberculosis (TB): Screens for infection
  • Vision: Checks visual acuity
  • Audiometric: Measures hearing capability

Occupational health testing is critical for maintaining safety standards and fostering a healthy workplace culture in Castroville, California's diverse industries.

Order Your Test Online

Drug Statistics for Castroville, California

  • As of recent reports, Monterey County, where Castroville is located, has seen an increase in opioid-related incidents, which is a concern for local health authorities.
  • The county has been working on improving access to substance abuse treatment programs, which could help reduce the drug misuse rates in communities like Castroville.
  • Efforts are underway to increase education on the dangers of drug abuse, particularly among the younger population, to curtail the onset of addiction.

Drug Testing Regulations in California

Employer drug testing in Castroville 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 Castroville

Moss Landing • Elkhorn • Prunedale • Marina • Boronda • Las Lomas • Salinas • Watsonville

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

Castroville Drug Testing

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

Castroville DOT Drug Testing

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

Castroville DNA Testing

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

Castroville Industry Training

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

Castroville Hair Drug Testing

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

Castroville Alcohol Testing

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

Castroville Drug Testing Services

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

Castroville 5 Panel Drug Test

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

Castroville 10 Panel Drug Test

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

Castroville On Site Drug Testing

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

Castroville DOT Physicals

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

Unbelievably fast and Easy

Unbelievably fast and Easy, I wont be using Any other provider from now on.

Ren Wisby - 4/19/2025

Very easy to get scheduled

Very easy to get scheduled and easy process once checked in and the staff were all extremely friendly! I would recommend this company!

Ronickia Moore - 11/19/2024

phone support has been excellent

I have used ADT several times. Their phone support has been excellent, both when putting in the orders and when asking for help to interpret results.

Tee Ess - 12/19/2024

Very Fun and Easy

Trish last week and Tatiana this week, very fun and easy folks to deal with. Well be using them more and more in the future.

Tom O - 12/19/2024

Explained everything so no questions

Torin was great. Explained everything so no questions

Tony Lombardo - 4/18/2025

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

Super helpful and courteous

I've had to use this service twice for out of state physicians we've hired and both times it was super easy. Both customer service reps I spoke with were super helpful and courteous. I won't hesitate to use their service again if needed.

Alicia Rau - 6/19/2024

Quick, knowledgeable and courteous

Quick, knowledgeable and courteous Janelle worked diligently to support me. I am recommending their services to anyone looking.

Greensboro Joseph - 11/19/2024

Fast service and friendly staff!

Fast service and friendly staff! Could not recommend enough for drug testing services.

Habib Malik - 4/12/2025

Pretty Straightforward

It was a pretty straightforward process getting an appointment and making payment. Getting to the testing site was quick. I was in and out in no time.

Sadiat Ogunyemi - 12/19/2024


(800) 221-4291