Drug & Alcohol Testing Near Me - California

Accredited Drug Testing provides drug and alcohol testing services at multiple locations throughout your local area.  

Employment, DOT, Court Ordered, Personal
Urine | Hair Follicle | Oral Fluid | Blood | ETG

Find a Drug Test Center Near You

Employment-DOT-Probation-Personal

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Drug Testing Near Me

Searching for drug testing locations near you in California? Accredited Drug Testing, Inc. stands as a leading authority in immediate drug and alcohol testing services, featuring an expansive network of over 20,000 centers nationwide. Whether your needs involve a DOT-compliant test, legal-mandated screening, pre-hire evaluations, or even personal testing, our processes assure swift, seamless, and discreet scheduling options. Our certified facilities ensure dependable and preciseness in outcomes, aligning with both federal and California-specific compliance requirements. By calling (800) 221-4291 or opting for our online 24/7 scheduling portal, you can promptly locate a drug testing center in your vicinity. For instances where safety, adherence to regulations, and peace of mind are priorities, Accredited Drug Testing is committed to timely and reliable result delivery.

Drug and Alcohol Testing Options

Urine Drug Testing Available Panels
5 Panel Drug Test (DOT/NON DOT)
5 Panel + Alcohol Drug Test
5 Panel + ETG Alcohol Drug Test
10 Panel Drug Test
10 Panel + ETG Alcohol Drug Test
12 Panel Drug Test
Hair Drug Testing Available Panels
5 Panel Hair Drug Test
5 Panel + ETG Hair Drug Test
10 Panel Hair Drug Test
12 Panel Hair Drug Test
14 Panel Hair Drug Test
16 Panel Hair Drug Test
Alcohol Drug Testing Available Panels
Alcohol Urine Drug Test
ETG Alcohol Test (Urine)
Breath Alcohol Test
Blood Alcohol Test
Peth Alcohol Blood Test
ETG Alcohol Test (Hair)

Customized Testing Options Available l Discounts available for Bulk Purchases l Onsite Drug Testing Services

How Urine Drug Testing Works

Urine Drug Testing in California

Urine drug testing remains the predominant method used for screenings across the United States, approved specifically for DOT-regulated drug testing under the regulations in 49 CFR Part 40. This technique uncovers recent substance intake by examining urine for drugs, their metabolites, or alcohol indicators. The methodology is crafted to ensure accuracy, confidentiality, and legality, catering to the needs of businesses, private individuals, and legal mandates.

Testing Procedures & Collection Details

Urine Test Result Timelines

Delays might occur due to shy bladder, invalid samples, or follow-up lab confirmations or donor contacts.

Benefits & Limitations of Urine Testing

Despite these shortcomings, urine testing remains a crucial and widely adopted legal and corporate alcohol and drug screening ritual across the globe.

How Hair Drug Testing Works

Hair Drug & Alcohol Testing in California

Utilizing hair samples for drug and alcohol analysis offers profound insights into long-term substance use, countering limitations seen with other methods like urine testing which tenders recent consumption patterns. With a 90-day detection threshold, hair testing delves into drug metabolites entrenched within the hair shaft, making this method ideal for employment checks, judicial cases, custody disputes, and scenarios necessitating extensive substance use histories.

Testing & Sample Collection Procedures

Processing Timeline for Hair Testing Outcomes:

Whereas processing times are a bit protracted relative to urine analysis, hair tests exhibit unparalleled detection residency.

Advantages & Constraints of Hair Analysis

Despite certain restraints, hair testing stands as a bastion of reliable determination for more enduring substance use patterns, influencing employers, trackers, and legal experts desiring trustworthy tamper-proof results.

Accredited Drug Testing has 1,191 drug testing centers in 1,930 CA cities.

Please select a city from the list below to find drug test centers in California.


Alcohol & Drug Testing-How Each Method Works

California's Comprehensive Drug and Alcohol Testing Solutions

At Accredited Drug Testing, we offer a sweeping array of drug and alcohol testing services, structured to align with the specific needs of employment, DOT, legal obligations, and personal checks. Grasping the mechanics of each test reinforces precise selection and dependable results, uniformly tagging along with regulatory edicts both federally and within California's laws. The synergy of our pervasive network, validated labs, and skilled Medical Review Officers manifests assured trust, professionalism, and punctual testing efficacy.

Urine Alcohol Test

A urine alcohol test identifies recent alcohol intake through ethanol metabolite traces found in urine, prevalently engaged in workplace checks, legal compliance, and incident-linked cases. While it doesn’t decode current impairment, this cost-effective, brief-window method offers quick separation and result return.

EtG Alcohol Urine Test

This EtG (Ethyl Glucuronide) urine assay demonstrates heightened sensitivity for spotting alcohol use up to 80 hours post-consumption. Given that EtG is an ethanol metabolite, the courts, rehabilitation sites, and surveillance entities favor it for reliability and extended detection window over general urine alcohol tests.

Breath Alcohol Test

For acute impairment estimation, a breath alcohol test quantifies alcohol proportion in deep lung air, dispatching immediate, legally defendable results. Administered through DOT-compliant breath devices, these are vital for DOT-covered employees, workplace checks, post-incident, and suspicion-based testing scenarios.

Blood Alcohol Test

Endorsed for precision, blood alcohol tests quantify circulating ethanol within the bloodstream directly, prevailing in DUI analysis, critical care settings, and intricate legal inquiry due to unparalleled estimations in impairment determination.

PEth Alcohol Blood Test

Highlighting chronic or substantial alcohol intake, a PEth (Phosphatidylethanol) blood test discerns alcohol-specific biomarkers amidst red blood cells, amplifying ongoing use indicators up to 2-3 weeks. Recognized within family law, tracking, therapeutic centers, and industries emphasizing security-sensitive employment vetting.

EtG Alcohol Hair Test

The hair EtG test unfolds a 90-day investigative window by probing embedded metabolites in hair strands, revolved around examining repeat or extensive use over isolated instances. Its resilience against testing evasion gains trust from courts, custody deliberations, and extensive monitoring programs.

Through adept facilitation, extensive laboratories, and expeditious booking, Accredited Drug Testing fortifies the defensible, vivid, and compliant revelations each alcohol examination sets out to achieve; guiding individuals and organizations towards assurance and complete juridical accord.


Accredited Drug Testing provides nationwide drug and alcohol screening solutions, including urine, hair, EtG, PEth, and breath alcohol testing. Backed by SAMHSA-certified laboratories, DOT 49 CFR Part 40 compliance, and scientifically validated testing technology, our services ensure accurate, defensible, and confidential results for employers, courts, and individuals.

Frequently Asked Questions

Urine tests detect recent use and are the only option approved for DOT testing under 49 CFR Part 40. Hair tests provide a 90-day detection window per the Society of Hair Testing (SoHT). Alcohol testing options, EtG, breath, blood, or PEth. These tests can identify recent use, impairment, or long-term drinking behavior depending on the method.

Urine: 24 - 48 hrs for negatives (SAMHSA guidelines).
Hair: 2 - 5 business days due to multi-step forensic processing (SoHT).
Breath Alcohol: Immediate results using NHTSA-approved EBT devices.
PEth: 3 - 5 days based on forensic toxicology studies.

Lab confirmation using GC/MS or LC/MS is the gold standard per SAMHSA & DOT.
Hair testing is highly tamper-resistant (SoHT).
PEth is considered the most reliable marker of repeated drinking (Journal of Analytical Toxicology).

No. DOT-regulated urine tests require validity checks and chain-of-custody documentation (49 CFR Part 40). Hair tests undergo decontamination and metabolite extraction (SoHT), making them extremely difficult to adulterate.

EtG urine detects alcohol for up to 80 hours (NIH/SAMHSA studies). EtG hair detects chronic alcohol consumption for up to 90 days (SoHT alcohol guidelines).

5 Panel DOT:49 CFR Part 40. Expanded non-DOT panels add benzodiazepines, barbiturates, methadone, oxycodone, MDMA, fentanyl, and more (SAMHSA forensic panel standards).

PEth blood testing identifies long-term and heavy alcohol use for 2 - 4 weeks. Used in child custody, treatment monitoring, and professional compliance programs (CDC & Journal of Analytical Toxicology).

Hair testing does not detect drug use within the past 5 - 7 days. It identifies long-term or repetitive use patterns per SoHT standards.

Yes. Results follow strict chain-of-custody procedures, DOT/SAMHSA requirements, GC/MS or LC/MS confirmation, and MRO review; making them acceptable in court, DOT, and legal settings.

Yes. Accredited Drug Testing offers same-day appointments at 20,000+ locations nationwide, instant testing options, and onsite employer testing with bulk discounts.

Customer Reviews

Friendly and Knowledgeable

I reached out Accredited Drug Testing/Secure Screenings to partner for my drug testing business (Discovery Diagnostics Columbia SC) and the process was extremely easy. I worked with Sicilia who was amazing. She was friendly & knowledgeable, and answer all of my questions with ease.

Kendra Harley - 3/26/2025

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

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

Had very fast and good service

Had very fast and good service, was able to get an appointment same day with the nearest facility. My questions were answered thoroughly but quick. Definitely recommend

Jacob Matzke - 11/19/2024


Sources


California Drug Testing

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California DOT Drug Testing

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California Industry Training

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California Hair Drug Testing

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

California Alcohol Testing

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

California Drug Testing Services

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

California 5 Panel Drug Test

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

California 10 Panel Drug Test

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

California On Site Drug Testing

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

California DOT Physicals

Certified DOT physicals with quick, reliable exams to keep , California 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.

(800) 221-4291