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

Drug Testing Locations in Hornitos, CA

With 29 testing centers in the Hornitos 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

29 Drug-Testing Centers in Hornitos

Same-Day Electronic Donor Pass Accepted at All Locations Below

Minutes Away, Test Today

5189 Hospital Rd

14.65 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5189 Hospital Rd
Mariposa, CA 95338

333 Mercy Ave

16.51 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
333 Mercy Ave
Merced, CA 95340

394 E Yosemite Ave

16.96 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
394 E Yosemite Ave
Merced, CA 95340

374 W Olive Ave Ste A

17.96 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-11:30 AM & 1:00 PM-5:00 PM✓ Walk-in with Electronic Donor Pass
374 W Olive Ave Ste A
Merced, CA 95348

3070 M St Ste 11

18.10 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3070 M St Ste 11
Merced, CA 95348

510 W Main St Ste E

19.17 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
510 W Main St Ste E
Merced, CA 95340

3605 Hospital Rd Ste H

20.59 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3605 Hospital Rd Ste H
Atwater, CA 95301

5626 Heddon Ct

28.20 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5626 Heddon Ct
Mariposa, CA 95338

2000 Paulson Rd

32.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2000 Paulson Rd
Turlock, CA 95380

1801 Colorado Ave Ste 130

32.39 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1801 Colorado Ave Ste 130
Turlock, CA 95382

911 E Tuolumne Rd

32.56 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
911 E Tuolumne Rd
Turlock, CA 95382

1048 Geer Rd

33.11 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1048 Geer Rd
Turlock, CA 95380

19747 Greenley Rd

33.64 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
19747 Greenley Rd
Sonora, CA 95370

1000 Greenley Rd

33.65 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1000 Greenley Rd
Sonora, CA 95370

940 Sylva Lane, Suite # F2

34.16 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
940 Sylva Lane, Suite # F2
Sonora, CA 95370

48677 Victoria Ln,

34.31 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
48677 Victoria Ln,
Oakhurst, CA 93644

60 Copper Cove Dr

36.05 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
60 Copper Cove Dr
Copperopolis, CA 95228

2370 W Cleveland Ave

37.59 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2370 W Cleveland Ave
Madera, CA 93637

2339 W Cleveland Ave Ste 103

37.59 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2339 W Cleveland Ave Ste 103
Madera, CA 93637

1390 W H St Ste C

38.07 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1390 W H St Ste C
Oakdale, CA 95361

1340 Mitchell Rd

38.74 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1340 Mitchell Rd
Modesto, CA 95351

344 W 6th St

38.98 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
344 W 6th St
Madera, CA 93637

509 S I St Ste A

39.18 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
509 S I St Ste A
Madera, CA 93637

363 East Almond Avenue, Suite 107

39.96 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
363 East Almond Avenue, Suite 107
Madera, CA 93637

9000 Ahwahnee Dr

40.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9000 Ahwahnee Dr
Yosemite National Park, CA 95389

1250 E Almond Ave Po Box 1328

40.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1250 E Almond Ave Po Box 1328
Madera, CA 93637

600 Coffee Rd

41.34 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
600 Coffee Rd
Modesto, CA 95355

1700 Coffee Rd

41.61 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1700 Coffee Rd
Modesto, CA 95355

400 12th St Ste 23

41.92 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
400 12th St Ste 23
Modesto, CA 95354

Employment, DOT, Court Ordered, Probation, Family

Accredited Drug Testing provides a full range of substance use testing services across 29 facilities in the Hornitos area in California. Our offerings include DOT and non-DOT urine tests, breathalyzer alcohol tests, EtG screenings, and hair follicle analyses suitable for personal, workplace, and legal purposes. Clients benefit from fast turnaround testing and federally certified lab processing, with same-day appointments often available, and most of our Hornitos sites are conveniently positioned close to residential or commercial locations. We also conduct Occupational Health Assessments, Clinical Testing, and Background Verifications.

Dial (800) 221-4291 or register via our website. Choose your desired test and select a conveniently located center—suitable for self-testing, testing of employees, or other individuals. Arranging a test is both quick and straightforward; contact our scheduling team by phone or set up your appointment online anytime. Our simplified system makes it easy to organize drug testing within Hornitos without hassle.

* 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 Hornitos, CA

1

Order Online or Call

Select your test & search nearby Hornitos 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.

Hornitos, CA Drug Testing

Drug Testing Services Available at Our Hornitos, CA Labs:

At our Hornitos 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 Hornitos

SAMHSA Certified • MRO Verified

Accredited Drug Testing provides employer and individual screening in Hornitos, 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 Hornitos 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 Hornitos, 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 Hornitos 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 Hornitos, CA

Minutes Away, Same-Day Donor Pass

Accredited Drug Testing operates collection centers strategically positioned throughout Hornitos 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 Hornitos Neighborhoods Covered:

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

Major Employment & Commercial Hubs Served:

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

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

Surrounding Areas Served Near Hornitos

Catheys Valley • Snelling • Lake Don Pedro • Mariposa • Coultervillle • Coulterville • Planada • Greeley Hill

Hornitos, 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 Hornitos.

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

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 Hornitos facility or job site for groups of 25+ employees.

Local Testing Resource Network

More Drug & Alcohol Testing Options in Hornitos, CA

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

Hornitos Drug Testing

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

Hornitos DOT Drug Testing

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

Hornitos DNA Testing

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

Hornitos Industry Training

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

Hornitos Hair Drug Testing

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

Hornitos Alcohol Testing

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

Hornitos Drug Testing Services

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

Hornitos 5 Panel Drug Test

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

Hornitos 10 Panel Drug Test

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

Hornitos On Site Drug Testing

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

Hornitos DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Hornitos, 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 29 certified collection sites in the Hornitos area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Hornitos, 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

Excellent service!

Excellent service! Trish went above and beyond to find me a testing site as close to my home as possible. Results were faster than expected, as well. Thanks for your help, Trish and Accredited!

Es Hache - 4/13/2025

Reception is kind and helpful

Reception is kind and helpful , everything quick and simple , best urgent care

Yusuf Narmuradov - 11/19/2024

Fast and efficient service

Fast and efficient service for employers wanting to do pre employment drug screening that meets DOT requirements!!

Mary Thomas - 4/5/2025


(800) 221-4291