Drug Test Services - Gridley, CA

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

With 38 testing centers in the Gridley 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.

38 Drug Test Service Centers in Gridley

Minutes Away, Test Today

1940 Feather River Blvd Ste O

11.63 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1940 Feather River Blvd Ste O
Oroville, CA 95965

2451 Oro Dam Blvd E,

12.54 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2451 Oro Dam Blvd E,
Oroville, CA 95966

1233 Plumas St Ste B

15.45 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1233 Plumas St Ste B
Yuba City, CA 95991

1429 Colusa Hwy

15.58 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
1429 Colusa Hwy
Yuba City, CA 95993

444 Plumas Blvd

16.60 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
444 Plumas Blvd
Yuba City, CA 95991

595 Winship Rd

17.35 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
595 Winship Rd
Yuba City, CA 95991

151 E Webster St

19.67 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
151 E Webster St
Colusa, CA 95932

2967 Davison Ct

20.26 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2967 Davison Ct
Colusa, CA 95932

888 Lakeside Vlg Commons Bldg A Main Floor

23.64 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
888 Lakeside Vlg Commons Bldg A Main Floor
Chico, CA 95928

1450 Sherman Ave

27.52 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
1450 Sherman Ave
Chico, CA 95926

274 Cohasset Rd Ste 100

28.08 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
274 Cohasset Rd Ste 100
Chico, CA 95926

670 Rio Lindo Ave Ste 300

28.09 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
670 Rio Lindo Ave Ste 300
Chico, CA 95926

670 Rio Lindo Ave, Ste 500

28.15 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
670 Rio Lindo Ave, Ste 500
Chico, CA 95926

572 Rio Lindo, Unit 107

28.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
572 Rio Lindo, Unit 107
Chico, CA 95926

6573 Clark Road, Suite A

28.81 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6573 Clark Road, Suite A
Paradise, CA 95969

460 W Sycamore St

29.06 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
460 W Sycamore St
Willows, CA 95988

180 Sierra College Dr

35.51 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
180 Sierra College Dr
Grass Valley, CA 95945

155 Glasson Way

35.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
155 Glasson Way
Grass Valley, CA 95945

123 Margaret Ln Ste A2

35.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
123 Margaret Ln Ste A2
Grass Valley, CA 95945

2090 Nevada City Hwy

36.11 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2090 Nevada City Hwy
Grass Valley, CA 95945

756 E Walker St,

36.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
756 E Walker St,
Orland, CA 95963

11795 Education St Ste 220

43.05 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
11795 Education St Ste 220
Auburn, CA 95602

3133 Professional Drive, Suite 16

43.09 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3133 Professional Drive, Suite 16
Auburn, CA 95603

2351 Sunset Blvd Ste 170--561

44.56 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2351 Sunset Blvd Ste 170--561
Rocklin, CA 95765

2305 Sunset Blvd

44.56 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
2305 Sunset Blvd
Rocklin, CA 95765

6661 Stanford Ranch Rd Ste G

45.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6661 Stanford Ranch Rd Ste G
Rocklin, CA 95677

3875 Taylor Rd Ste 1a

46.22 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3875 Taylor Rd Ste 1a
Loomis, CA 95650

155 Solano St

46.39 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
155 Solano St
Corning, CA 96021

275 Solano St, Ste 501

46.42 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
275 Solano St, Ste 501
Corning, CA 96021

1416 Solano St

46.91 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1416 Solano St
Corning, CA 96021

475 Pioneer Ave Ste 100

47.63 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
475 Pioneer Ave Ste 100
Woodland, CA 95776

520 Cottonwood Street, Suite F

47.89 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
520 Cottonwood Street, Suite F
Woodland, CA 95695

209 Nevada St

48.03 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
209 Nevada St
Downieville, CA 95936

1207 Fairchild Ct

48.50 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1207 Fairchild Ct
Woodland, CA 95695

1730 Santa Clara Dr

48.60 mi
🕑 Facility: Mon–Fri: 07:00 AM - 03:30 PM (Lunch: 12:00 PM - 01:00 PM)⚡ Drug Screens: Mon–Fri: 07:30 AM - 11:30 AM, 01:00 PM - 03:00 PM
1730 Santa Clara Dr
Roseville, CA 95661

632 W Gibson Rd

48.70 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
632 W Gibson Rd
Woodland, CA 95695

1600 Eureka Rd Floor 1

48.78 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1600 Eureka Rd Floor 1
Roseville, CA 95661

1133 Coloma Way Ste B

48.83 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1133 Coloma Way Ste B
Roseville, CA 95661

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 is a standard screening method that detects the presence of drugs in a person's system using a urine sample. It is widely used due to its non-invasive nature and relatively quick results. This method remains popular for its ability to detect a range of substances efficiently.

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Purpose of Urine Drug Testing

  • Pre-employment screening
  • Random workplace testing
  • Compliance with legal requirements
  • Monitoring substance abuse programs
  • Medical evaluations

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • Benzodiazepines

In Gridley, California, urine drug testing provides a dependable solution for employers and individuals seeking accurate and timely results. Our services ensure confidentiality and compliance with legal standards.

Order Your Test Online

Alcohol Test Services

Alcohol testing in Gridley, California is a critical practice to assess and monitor alcohol consumption levels for legal, employment, or medical reasons. Such testing helps ensure safety and compliance with laws and regulations.

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Alcohol Testing is used in many settings

  • Workplace safety
  • Law enforcement
  • Rehabilitation programs
  • Medical diagnosis
  • Transportation industry

Common Methods of Alcohol Testing

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

Breathalyzer - Measures alcohol level in breath

Blood tests - Provides precise BAC

Saliva tests - Quick and non-invasive

Urine tests - Detects recent use

Hair tests - Long-term consumption

Alcohol testing in Gridley, California plays a vital role in maintaining safety and compliance across numerous environments, contributing to public health and legal adherence.

Order Your Test Online

Hair Follicle Drug Testing Services

Hair follicle drug testing in Gridley, California is a sophisticated method for detecting drug usage patterns over an extended period. It analyzes hair samples to provide a comprehensive history of substance use, offering a reliable means of detection that can span months due to the nature of hair growth and substance integration.

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Why Use Hair Drug Testing?

  • Long detection window
  • Hard to adulterate
  • Can detect chronic drug use
  • Non-invasive collection
  • Easy transportation and storage
  • Provides detailed drug use profile

What Drugs Can Be Detected

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

In Gridley, California, hair follicle drug testing remains a pivotal resource for employers and legal entities alike, offering insights into long-term substance use that can aid in making informed decisions related to employment, legal cases, and policy compliance.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing in Gridley, California is mandated by the Department of Transportation to ensure the safety of the public by testing safety-sensitive employees for substance abuse. This regulated process requires testing through urine analysis by a certified technician under strict guidelines.

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Who is Required to Take DOT Drug Tests?

  • Commercial truck drivers
  • Bus drivers
  • Aviation personnel
  • Pipeline workers
  • Railroad employees
  • Shipping and maritime workers
  • Mass transit operators

What Drugs Are Tested For

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

DOT drug testing in Gridley, California helps keep transport routes safe by ensuring insightful screening and compliance with federal regulations. Our testing services are aligned to meet the specific needs of DOT requirements, promoting a safer community.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing is implemented to monitor individuals on probation, ensuring compliance with court orders to abstain from illegal substances. In Gridley, California, such testing is vital for rehabilitation and reintegration efforts.

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Why Are Probation Drug Test Services Available?

  • Compliance enforcement: Ensures adherence to probation terms
  • Rehabilitation support: Helps gauge progress
  • Public safety: Reduces risk of reoffense
  • Behavior modification: Encourages substance abstinence
  • Judicial efficiency: Aids in case management

Testing Methods

  • Urine tests: Commonly used for immediate results
  • Hair follicle tests: Provides long-term drug use insight
  • Saliva tests: Non-invasive and quick
  • Blood tests: Highly accurate

In Gridley, California, probation drug testing is pivotal for the judicial system, promoting lawfulness and aiding personal recovery journeys.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing mandates individuals involved in legal cases to undergo drug tests to comply with legal instructions or procedures. These tests ensure adherence to sentencing requirements, child custody rulings, or other legal stipulations, maintaining judicial integrity and favorable outcomes.

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Why are Court Ordered Drug Test Services Available?

  • Ensure compliance with court orders
  • Monitor custody or divorce conditions
  • Support rehabilitation efforts
  • Identify relapse in treatment cases
  • Provide evidence in legal disputes

Court Ordered Test Methods

  • Urine tests: Most common for immediate results.
  • Hair follicle tests: Identifies long-term use.
  • Saliva tests: Offers a short detection window.
  • Blood tests: Highly accurate, typically court-sanctioned.
  • Nail tests: Detects as far back as 6 months.

In Gridley, California, court ordered testing serves as a tool for maintaining legal compliance and aiding in judgments that protect individuals and families throughout the legal process.

Order Your Test Online

Fingernail Drug Testing Services

Fingernail drug testing analyzes the keratin fibers of nails to detect drug use, offering a long detection window. This non-invasive method is increasingly popular in Gridley, California, known for accuracy and resistance to external contamination, making it suitable for various testing needs.

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What is the Detection Window for Fingernail Drug Tests

  • Fingernails: 3-6 months of history
  • Toenails: Longer growth cycle, similar detection to fingernails

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • PCP

Advantages over other methods

  • Easy to collect
  • Long detection range
  • Non-invasive procedure
  • Reliable and accurate
  • Minimally affected by external factors

Gridley, California relies on fingernail testing for its persistence and comprehensive drug use detection, making it valuable in various professional and legal contexts.

Order Your Test Online

Occupational Health Test Services

Occupational health testing in , CA is a critical component for maintaining workplace safety and health standards. It involves evaluating various health parameters to ensure employees are fit for duty and free from impairing substances. This testing is pivotal in preventing workplace incidents and promoting employee wellbeing.

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Purpose of Occupational Health Testing

  • Ensures safety compliance
  • Prevents workplace accidents
  • Monitors employee health
  • Reduces healthcare costs
  • Aids in creating a safe work environment
  • Promotes overall organizational health

Common Types of Occupational Health Tests

  • Fitness for duty exams: Ensures employees can safely perform their roles.
  • Respirator Fit Testing: Required for employees using respirators.
  • Pulmonary Function Tests (PFT's): Assesses lung function, crucial for jobs with respiratory hazards.
  • Tuberculosis (TB): Screening for TB to prevent outbreaks in the workplace.
  • Vision: Determines if employees have adequate vision for their tasks.
  • Audiometric: Evaluates hearing, especially for jobs with significant noise exposure.

In , Gridley, California, occupational health testing is essential for fostering a safe and healthy workplace, directly impacting employee productivity and company success.

Order Your Test Online

Drug Statistics for Gridley, California

Drug-Related Statistics for Gridley, California:

  • Gridley's drug-related arrest rates have been a concern, aligning with state trends that emphasize the need for effective community interventions.
  • The local health departments and law enforcement collaborate to address substance abuse issues, ensuring resources are directed towards prevention and rehabilitation efforts.
  • Ongoing community awareness programs have been implemented to reduce the incidence of drug-related offenses and boost public health outcomes.

Drug Testing Regulations in California

Employer drug testing in Gridley 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 Gridley

Biggs • Honcut • Richvale • Palermo • South Oroville • Oroville • Thermalito • Oroville East

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

Gridley Drug Testing

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

Gridley DOT Drug Testing

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

Gridley DNA Testing

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

Gridley Industry Training

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

Gridley Hair Drug Testing

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

Gridley Alcohol Testing

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

Gridley Drug Testing Services

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

Gridley 5 Panel Drug Test

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

Gridley 10 Panel Drug Test

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

Gridley On Site Drug Testing

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

Gridley DOT Physicals

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