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

Drug Testing Locations in Little Grass Valley, CA

With 20 testing centers in the Little Grass Valley 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

20 Drug-Testing Centers in Little Grass Valley

Same-Day Electronic Donor Pass Accepted at All Locations Below

Minutes Away, Test Today

209 Nevada St

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

1065 Bucks Lake Rd

15.13 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1065 Bucks Lake Rd
Quincy, CA 95971

883 Valley View Dr On-site Only

15.62 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
883 Valley View Dr On-site Only
Quincy, CA 95971

2090 Nevada City Hwy

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

180 Sierra College Dr

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

6573 Clark Road, Suite A

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

123 Margaret Ln Ste A2

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

155 Glasson Way

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

2451 Oro Dam Blvd E,

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

1940 Feather River Blvd Ste O

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

199 Reynolds Rd

43.06 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
199 Reynolds Rd
Chester, CA 96020

1450 Sherman Ave

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

888 Lakeside Vlg Commons Bldg A Main Floor

47.10 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

670 Rio Lindo Ave Ste 300

47.24 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

47.25 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

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

274 Cohasset Rd Ste 100

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

10956 Donner Pass Rd Ste 230

48.68 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10956 Donner Pass Rd Ste 230
Truckee, CA 96161

12121 Pine Ave

48.73 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
12121 Pine Ave
Truckee, CA 96161

10121 Pine Ave

48.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10121 Pine Ave
Truckee, CA 96161

Employment, DOT, Court Ordered, Probation, Family

Accredited Drug Testing delivers all-encompassing alcohol and drug testing solutions across 20 centers around Little Grass Valley, California. Our services include DOT and non-DOT urine drug tests, breath alcohol checks, EtG testing for alcohol, and hair-based drug evaluations tailored for individuals, employers, and legal requirements. In Little Grass Valley, CA, we offer swift-result testing and SAMSA certified lab analysis, with same-day services and the convenience of most testing sites being close by. We also provide Occupational Health Assessments, Clinical Testing, and Background Checks.

Reach us at (800) 221-4291 or register online. Choose your test and a nearby location—testing is accessible for yourself, your employees, or others. Setting up a test is fast and straightforward; reach our scheduling team or arrange your test online anytime. Our seamless, easy-to-use process lets you organize drug testing near Little Grass Valley with minimal effort.

* 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 Little Grass Valley, CA

1

Order Online or Call

Select your test & search nearby Little Grass Valley 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.

Little Grass Valley, CA Drug Testing

Drug Testing Services Available at Our Little Grass Valley, CA Labs:

At our Little Grass Valley 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 Little Grass Valley

SAMHSA Certified • MRO Verified

Accredited Drug Testing provides employer and individual screening in Little Grass Valley, 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 Little Grass Valley 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 Little Grass Valley, 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 Little Grass Valley 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 Little Grass Valley, CA

Minutes Away, Same-Day Donor Pass

Accredited Drug Testing operates collection centers strategically positioned throughout Little Grass Valley 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 Little Grass Valley Neighborhoods Covered:

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

Major Employment & Commercial Hubs Served:

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

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

Surrounding Areas Served Near Little Grass Valley

La Porte • Eagleville • Goodyears Bar • West Sierra • Johnsville • Downieville • East Quincy • Spring Garden

Little Grass Valley, 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 Little Grass Valley.

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

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 Little Grass Valley facility or job site for groups of 25+ employees.

Local Testing Resource Network

More Drug & Alcohol Testing Options in Little Grass Valley, CA

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

Little Grass Valley Drug Testing

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

Little Grass Valley DOT Drug Testing

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

Little Grass Valley DNA Testing

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

Little Grass Valley Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Little Grass Valley, CA.v

Little Grass Valley Hair Drug Testing

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

Little Grass Valley Alcohol Testing

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

Little Grass Valley Drug Testing Services

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

Little Grass Valley 5 Panel Drug Test

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

Little Grass Valley 10 Panel Drug Test

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

Little Grass Valley On Site Drug Testing

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

Little Grass Valley DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Little Grass Valley, 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 20 certified collection sites in the Little Grass Valley area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Little Grass Valley, 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

Clear and Competent

I was so surprised with the quality of customer service I received today when I called Accredited Drug Testing. The representative was so clear and competent. She was able to reschedule an appointment at my preferred location. The representative whose name is Justice, was so polite and competent. She expedited the whole process. It was a relief to me.

Rachel Padian - 9/6/2024

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

ADT was able to get me the best tests

Dealing with allegation’s of drug use that completely false is stressful, ADT was able to get me the best tests, going back the farthest in the same day with as little hassle as possible, I spoke with 1 person and wasn’t transferred once, and they took my payment, and got me my work order for a clinic as close as possible for the service I needed. 5*

Christopher Hansis - 12/19/2024


(800) 221-4291