Drug & Alcohol Testing Near Me - El Sobrante, CA

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

30 Drug-Testing Centers in El Sobrante

Minutes Away, Test Today

2970 Hilltop Mall Rd Ste 2031.88 miles

2970 Hilltop Mall Rd Ste 203
Richmond, CA 94806

4749 Surrey Ln2.28 miles

4749 Surrey Ln
El Sobrante, CA 94803

2425 Church Ln2.66 miles

2425 Church Ln
San Pablo, CA 94806

2000 Vale Rd2.91 miles

2000 Vale Rd
San Pablo, CA 94806

500 Alfred Nobel Drive, Suite 1153.02 miles

500 Alfred Nobel Drive, Suite 115
Hercules, CA 94547

3726 Barrett Ave3.51 miles

3726 Barrett Ave
Richmond, CA 94805

520 6th St3.93 miles

520 6th St
Rodeo, CA 94572

120 Broadway Ste 234.14 miles

120 Broadway Ste 23
Richmond, CA 94804

901 Nevin Ave Bldg B Floor 14.53 miles

901 Nevin Ave Bldg B Floor 1
Richmond, CA 94801

2505 Bataan St Ste O7.05 miles

2505 Bataan St Ste O
Oakland, CA 94607

2850 7th St Ste 1008.48 miles

2850 7th St Ste 100
Berkeley, CA 94710

2450 Ashby Ave8.58 miles

2450 Ashby Ave
Berkeley, CA 94705

200 Muir Rd Hacienda Bldg, 1st Floor8.73 miles

200 Muir Rd Hacienda Bldg, 1st Floor
Martinez, CA 94553

243 Georgia St Ste B8.78 miles

243 Georgia St Ste B
Vallejo, CA 94590

2042 Columbus Pkwy,9.06 miles

2042 Columbus Pkwy,
Benicia, CA 94510

3237 Alhambra Ave Ste 29.07 miles

3237 Alhambra Ave Ste 2
Martinez, CA 94553

1100 Rose Dr Ste 1409.24 miles

1100 Rose Dr Ste 140
Benicia, CA 94510

17 Tennessee St9.34 miles

17 Tennessee St
Vallejo, CA 94590

6001 Shellmound St Ste 8509.51 miles

6001 Shellmound St Ste 850
Emeryville, CA 94608

827 Arnold Dr Ste 709.87 miles

827 Arnold Dr Ste 70
Martinez, CA 94553

4069 Piedmont Ave Ste 91010.67 miles

4069 Piedmont Ave Ste 910
Oakland, CA 94611

3701 Broadway Fl 510.72 miles

3701 Broadway Fl 5
Oakland, CA 94611

1805 Arnold Dr10.78 miles

1805 Arnold Dr
Martinez, CA 94553

975 Sereno Dr10.78 miles

975 Sereno Dr
Vallejo, CA 94589

3300 Webster St, Ste 111010.94 miles

3300 Webster St, Ste 1110
Oakland, CA 94609

350 Hawthorne Ave10.94 miles

350 Hawthorne Ave
Oakland, CA 94609

1517 Grand Ave10.98 miles

1517 Grand Ave
Piedmont, CA 94611

300 Hospital Dr11.08 miles

300 Hospital Dr
Vallejo, CA 94589

25 Bellam Blvd Ste 10111.65 miles

25 Bellam Blvd Ste 101
San Rafael, CA 94901

538 Stone Rd Ste G11.72 miles

538 Stone Rd Ste G
Benicia, CA 94510

Drug Testing Near Me

Seeking drug testing near you in El Sobrante, CA? Accredited Drug Testing, Inc. provides same-day drug and alcohol testing at over 20,000 locations nationwide. We handle DOT-regulation checks, court-ordered screenings, pre-employment tests, and personal tests, ensuring a private and stress-free scheduling process. All tests meet stringent federal and state requirements, guaranteeing precise outcomes you can trust across El Sobrante, CA and beyond. Call (800) 221-4291 or book online 24/7 to access our reliable services today.

Emphasizing safety, compliance, and peace of mind, Accredited Drug Testing delivers punctual, accurate results you can depend on every time.

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

In El Sobrante, CA and across the country, urine drug testing is the most widely utilized screening method and is the exclusive test type sanctioned for DOT-regulated drug testing under 49 CFR Part 40. By evaluating a urine sample for drugs, drug by-products, or alcohol markers, recent substance use can be detected. This standardized and confidential procedure ensures the delivery of precise, legally rigorous results for employers, individuals, and legally ordered programs.

Testing Methods & Collection Process

1. Donor Identity Verification

The donor must present a legitimate government-issued ID and complete the necessary chain-of-custody signatures before initiation of testing.

2. Secure Collection Environment

Urine samples are collected in secured restroom facilities to deter tampering, often involving restrictions on personal belongings, securing water sources, and dyeing toilet water as part of security norms.

3. Chain of Custody Documentation

A federally endorsed Chain of Custody Form (CCF) meticulously tracks the sample's journey from collection through to laboratory analysis, preserving the test's integrity and legal viability.

4. Temperature & Validity Checks

Post-collection, the specimen is scrutinized for temperature and appearance accuracy. Additionally, validity testing including checks for creatinine levels, pH, specific gravity, and adulterant presence is conducted.

5. DOT Split Specimen

DOT urine tests involve bifurcation into two vials: Bottle A is utilized for primary analysis and Bottle B for retesting in case of a challenge. For non-DOT tests, a single vial is collected.

6. Laboratory Screening & Confirmation

Samples are processed in SAMHSA-certified laboratories through a dual-step process:

  • Initial Immunoassay Screen: Detects drug classes.
  • Confirmation Testing: Utilizes GC/MS or LC/MS to identify specific drugs or metabolites.

7. MRO Verification

Non-negative results are substantiated by a licensed Medical Review Officer (MRO), who validates the data and discusses any possible medical justifications with the donor prior to final result dissemination.

How Long Do Urine Test Results Take?

  • Instant Urine Test: Immediate feedback for negative results; positives are forwarded to the lab for confirmation typically taking 24-72 hours.
  • Lab-Based Urine Test: 24-48 hours for most negatives.
  • DOT Drug Test: Generally 1-3 business days, factoring in MRO review and donor communication.
  • Urine EtG Alcohol Test: Typically processed within 24-48 hours.

Additional processing time may be necessary for situations involving shy bladders, invalid samples, or where lab validation and donor interaction are essential.

Advantages of Urine Drug & Alcohol Testing

  • The only DOT-endorsed method meeting federal regulation criteria.
  • Detects recent use, especially beneficial in workplace and post-incident analyses.
  • Cost-effective with rapid result delivery.
  • Universally accepted by courts, employers, and governmental bodies.
  • Immediate testing options available for rapid evaluation.
  • Highly precise confirmations via GC/MS or LC/MS technology.

Limitations of Urine Drug & Alcohol Testing

  • Limited detection window (generally 1-7 days for most drugs).
  • Requires stringent security to prevent tampering.
  • Doesn't reflect long-term usage patterns.
  • Necessitates accessible restroom and detailed collection protocols.
  • Standard tests don't detect alcohol unless specifically testing for EtG/EtS.

Despite these limitations, urine tests remain the leading choice for drug and alcohol detection across the nation.

How Hair Drug Testing Works

Hair drug and alcohol testing offers a highly reliable approach for uncovering extended periods of substance use. In contrast to urine testing which identifies recent intake, hair testing reveals a 90-day detection window by examining drug metabolites trapped within the hair. This makes it especially useful for workplace assessments, legal proceedings, child custody disputes, and other cases necessitating a comprehensive view of an individual's drug use over time, including in El Sobrante, CA.

Testing Methods & Collection Process

How Long Do Hair Test Results Take?

These multi-step lab processes offer slightly longer timeframes than urine tests, but with unparalleled detection accuracy.

Benefits of Hair Drug & Alcohol Testing

Limitations of Hair Drug & Alcohol Testing

Regardless of constraints, hair testing stands as a leading trusted method to monitor long-term substance patterns, widely utilized by companies, legal professionals, and private individuals for trustworthy and tamper-resistant results, also in El Sobrante, CA.

Alcohol & Drug Testing-How Each Method Works

With an extensive range of drug and alcohol testing choices available through Accredited Drug Testing, every requirement from employer, DOT, legal to personal can be met with tailored solutions. Understanding each method assures accurate selection and results in full accordance with both federal and El Sobrante, CA state regulations. Through our vast network, certified labs, and adept Medical Review Officers, we underpin our services with the accuracy, dependability, and professionalism demanded for genuinely reliable testing conclusions.

Urine Alcohol Drug Test

An alcohol urine test works by detecting ethanol metabolites in urine, essentially marking recent alcohol consumption. Predominantly used in workplace scenarios, judicial obligations, and post-incident evaluations, it serves as an economical and quite effective screening tool albeit without measuring current impairment.

ETG Alcohol Test (Urine)

The EtG urine test is acclaimed for its superior sensitivity, capable of detecting the presence of alcohol up to 80 hours post-consumption. Being a metabolite of ethanol, EtG is extensively relied upon by courts, rehab programs, and regulatory agencies for its reliable detection window beyond standard urine alcohol tests.

Breath Alcohol Test

A breath alcohol test evaluates the present impairment level by assessing alcoholic content in deep lung air. Administered through DOT-sanctioned devices, breath tests render instant, legally defensible outputs, obligatory for DOT-regulated employees, and serve imperative in workplace assessments, post-crash scrutiny, and reasonable suspicion inquiries.

Blood Alcohol Test

The blood alcohol test delivers precision, appraising ethanol levels circulating within the bloodstream, recognized especially within hospitals, law enforcement, and legal frameworks for its accuracy, notably in DUI cases, emergency interventions, and urgent legal investigations.

PEth Alcohol Blood Test

The PEth test identifies chronic or substantial alcohol use through phosphatidylethanol biomarkers inside red blood cells, tracing usage up to 2-3 weeks. It stands as a substantial indicator of long-term drinking patterns amidst family law disputes, oversight initiatives, therapy facilities, as well as pre-employment testing in industries demanding acute safety.

ETG Alcohol Test (Hair)

The EtG hair test provides a 90-day alcohol consumption assessment by detecting ethanol metabolites lodged into the hair structure, offering insights into habitual or chronic use over isolated incidents. This test's sturdiness and accuracy make it favorable in court-related proceedings, child custody matters, and prolonged monitoring setups due to its low susceptibility to evasion efforts.

Supported by knowledgeable guidance, nationwide accredited labs, and expeditious scheduling, Accredited Drug Testing guarantees all alcohol screening methodologies deliver distinct, dependable, and compliant results, equipping both individuals and organizations to stay informed, safeguarded, and fully aligned with regulatory mandates.


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

Super Easy!

Super easy to set up an appointment through the phone. They walked me through all the steps and found me a location right near my house. Would definitely recommend!

Aldita Lumaj - 1/17/2025

Accredited has been wonderful to work with!

Accredited has been wonderful to work with! My court ordered tests are on a very strange schedule but every time I call, they are quick to schedule me and are always able to find a location that works for where I’m at and when! Thank you for making this rather undesirable situation less stressful and efficient.

Madison Sanderford - 8/19/2024

Super Easy to Schedule

Super easy to schedule and get what you need, weather for a job, personal, or court ordered! I believe I spoke with Justine who was helpful in answering all my questions and stayed on the phone with me until she was sure I was all set and got the emails I needed.

Mandy Ryan - 12/14/2024

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

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


Sources


El Sobrante Drug Testing

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

El Sobrante DOT Drug Testing

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

El Sobrante DNA Testing

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

El Sobrante Industry Training

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

El Sobrante Hair Drug Testing

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

El Sobrante Alcohol Testing

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

El Sobrante Drug Testing Services

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

El Sobrante 5 Panel Drug Test

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

El Sobrante 10 Panel Drug Test

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

El Sobrante On Site Drug Testing

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

El Sobrante DOT Physicals

Certified DOT physicals with quick, reliable exams to keep El Sobrante, 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.

(800) 221-4291