Drug & Alcohol Testing Near Me - Kentfield, 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

35 Drug-Testing Centers in Kentfield

Minutes Away, Test Today

1125 Sir Francis Drake Blvd Ste N0.66 miles

1125 Sir Francis Drake Blvd Ste N
Kentfield, CA 94904

250 Bon Air Rd0.72 miles

250 Bon Air Rd
Greenbrae, CA 94904

1300 South Eliseo Drive, Suite 1010.83 miles

1300 South Eliseo Drive, Suite 101
Greenbrae, CA 94904

1321 S Eliseo Dr 1st Fl0.83 miles

1321 S Eliseo Dr 1st Fl
Greenbrae, CA 94904

1220 S Eliseo Dr0.86 miles

1220 S Eliseo Dr
Greenbrae, CA 94904

2 Fifer Ave Ste 1301.85 miles

2 Fifer Ave Ste 130
Corte Madera, CA 94925

25 Bellam Blvd Ste 1012.37 miles

25 Bellam Blvd Ste 101
San Rafael, CA 94901

101 Casa Buena Dr2.51 miles

101 Casa Buena Dr
Corte Madera, CA 94925

99 Montecillo Rd Mob 15.01 miles

99 Montecillo Rd Mob 1
San Rafael, CA 94903

180 Rowland Way10.25 miles

180 Rowland Way
Novato, CA 94945

901 Nevin Ave Bldg B Floor 110.34 miles

901 Nevin Ave Bldg B Floor 1
Richmond, CA 94801

120 Broadway Ste 2311.18 miles

120 Broadway Ste 23
Richmond, CA 94804

2000 Vale Rd11.51 miles

2000 Vale Rd
San Pablo, CA 94806

2425 Church Ln11.51 miles

2425 Church Ln
San Pablo, CA 94806

3726 Barrett Ave11.84 miles

3726 Barrett Ave
Richmond, CA 94805

2970 Hilltop Mall Rd Ste 20312.16 miles

2970 Hilltop Mall Rd Ste 203
Richmond, CA 94806

2300 Sutter St Ste 10212.87 miles

2300 Sutter St Ste 102
San Francisco, CA 94115

2201 Post St,12.97 miles

2201 Post St,
San Francisco, CA 94115

845 Jackson St13.14 miles

845 Jackson St
San Francisco, CA 94133

900 Hyde St13.27 miles

900 Hyde St
San Francisco, CA 94109

49 Drumm St13.64 miles

49 Drumm St
San Francisco, CA 94111

26 California St13.65 miles

26 California St
San Francisco, CA 94111

601 Van Ness Ave Ste 200813.65 miles

601 Van Ness Ave Ste 2008
San Francisco, CA 94102

580 Market St Ste 10013.75 miles

580 Market St Ste 100
San Francisco, CA 94104

505 Parnassus Ave Ste 89613.83 miles

505 Parnassus Ave Ste 896
San Francisco, CA 94143

2198 15th St,14.22 miles

2198 15th St,
San Francisco, CA 94114

Castro & Duboce St, South Tower Ste 160a14.23 miles

Castro & Duboce St, South Tower Ste 160a
San Francisco, CA 94114

2505 Bataan St Ste O14.69 miles

2505 Bataan St Ste O
Oakland, CA 94607

24 Willie Mays Plz14.70 miles

24 Willie Mays Plz
San Francisco, CA 94107

2 Connecticut St Ste 115.17 miles

2 Connecticut St Ste 1
San Francisco, CA 94107

2850 7th St Ste 10015.53 miles

2850 7th St Ste 100
Berkeley, CA 94710

3555 Cesar Chavez15.62 miles

3555 Cesar Chavez
San Francisco, CA 94110

500 Alfred Nobel Drive, Suite 11515.74 miles

500 Alfred Nobel Drive, Suite 115
Hercules, CA 94547

6001 Shellmound St Ste 85015.92 miles

6001 Shellmound St Ste 850
Emeryville, CA 94608

4749 Surrey Ln16.07 miles

4749 Surrey Ln
El Sobrante, CA 94803

Drug Testing Near Me

Searching for drug testing facilities nearby? Superior choice, Accredited Drug Testing, Inc., offers same-day drug and alcohol testing services, boasting over 20,000 locations across the United States, including Kentfield, CA. Whether you require a DOT-mandated examination, a court-directed screening, a pre-employment drug test, or a test for personal considerations, we provide a quick, discreet scheduling process. Our certified collection sites and labs are committed to delivering precise, trustworthy results, fully aligned with federal and state regulations. Dial (800) 221-4291 or book online anytime to locate a convenient testing center nearby. When relating to safety, compliance, and assurance, Accredited Drug Testing consistently provides reliable results promptly.

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 the realm of drug screenings, urine testing is the dominant method across the U.S., and notably the lone technique sanctioned for DOT-regulated drug examinations per 49 CFR Part 40. This procedure identifies recent drug intake by scrutinizing a urine sample for drugs and their metabolites, as well as alcohol biomarkers. Ensuring consistency, privacy, and legal defensibility, this testing serves employers, individuals, and court-directed programs expertly, including services available in Kentfield, CA.

Testing Techniques & Collection Workflow

1. Donor Verification

Donors must present a sanctioned government ID and finalize requisite chain-of-custody forms preceding the test commencement.

2. Controlled Collection Ambiance

Urine is collected in a secure restroom to thwart tampering attempts, employing measures such as personal item restrictions, secured water sources, and dyed toilet water for standard security.

3. Documented Chain of Custody

The sample's collection and laboratory transit are recorded via a sanctioned Chain of Custody Form (CCF), upholding the test's validity and legal defensibility.

4. Assessment of Temperature & Authenticity

Post-collection, the urine undergoes a temperature and attribute check, followed by validity assays at the laboratory, analyzing creatinine levels, pH, specific gravity, and potential tampering indicators.

5. DOT Split Sample Protocol

DOT urine samples are bifurcated into Bottle A for initial testing, and Bottle B reserved for retests contested by donors. Non-DOT tests involve a singular vial collection.

6. Laboratory Examination & Confirmation

Certified SAMHSA labs employ a dual-step testing regimen:

  • Preliminary Immunoassay Screening: determines drug categories.
  • Definitive Testing: GC/MS or LC/MS techniques ascertain specific drugs or metabolites accurately.

7. MRO Certification

A certified Medical Review Officer reviews, validates, and dialogues with donors on non-negative results, endorsing the final outcomes post-verification.

Urine Test Result Turnaround

  • Prompt Urine Test: Immediate negative results, with positive outcomes undergoing lab confirmation within 24-72 hours.
  • Lab-Processed Urine Test: 24-48 hours for the majority of negative results.
  • DOT Drug Examination: 1-3 business days based on MRO's review and donor communications.
  • Urine EtG Alcohol Test: Usually 24-48 hours.

Additional time may be required in cases of shy bladder, invalid samples, or when lab confirmation or donor interaction is necessitated.

Urine Drug & Alcohol Testing - Benefits

  • DOT sanctioned and federally recognized, showcasing compliance.
  • Apt for recent usage detection, valuable in workplace and post-accident settings.
  • Cost-efficient and brisk result delivery.
  • Courts, employers, and government agencies frequently accept results.
  • Allows immediate testing alternatives for urgent screens.
  • Endorses exactitude via GC/MS or LC/MS confirmatory technology.

Constraints of Urine Drug & Alcohol Testing

  • Limited detection duration (1-7 days for most substances).
  • Vulnerable to manipulation without stringent security practices.
  • Ineffective for showcasing long-term drug usage patterns.
  • Demands restroom access alongside specific collection norms.
  • Standard urine screens overlook alcohol unless EtG/EtS tests are employed.

Despite its limitations, urine testing continues to be the most feasible and widely embraced form for drug and alcohol surveillance nationwide.

How Hair Drug Testing Works

Introducing Hair Drug and Alcohol Testing in Kentfield, CA

Hair testing emerges as a pivotal approach for long-term substance use detection, providing a comprehensive 90-day window of insight into an individual's drug or alcohol habits by analyzing metabolites lodged within the hair matrix. Ideal for workplaces, legal scenarios, and more, this method offers reliability that surpasses the limitations of shorter-term detection tests like urine sampling.

Thorough Hair Testing Methods and Collection Procedures

While slightly longer due to in-depth processing, hair testing offers accurate and substantial substance use insight unmatched by other methods.

Alcohol & Drug Testing-How Each Method Works

Exploring Comprehensive Testing Options in Kentfield, CA with Accredited Drug Testing

Accredited Drug Testing extends a broad spectrum of drug and alcohol screenings, custom-designed to cater to various clientele be it employers, the Department of Transportation, legal entities, or individual needs. Familiarity with the workings of each test is pivotal for accurately selecting tests, yielding reliable outcomes, and ensuring compliance with both federal and Kentfield, CA state regulations. Our extensive network, amalgamated with certified labs and adept Medical Review Officers, assures precision, trust, and professionalism in rendering dependable testing solutions.

Alcohol Urine Drug Test

This test spotlights recent alcohol intake by tracing ethanol derivatives within urine samples, highly favored in workplace screenings, mandated court checks, and post-incident evaluations. Although it doesn't measure immediate impairment, it delivers a swift and affordable evaluation method.

ETG Alcohol Test (Urine)

Recognized for its sensitive detection capabilities extending up to 80 hours post-consumption, the EtG urine test finds frequent use in judicial systems, rehab programs, and regulatory monitoring agencies, outperforming traditional methods in timelines and reliability.

Breath Alcohol Test

Targeting active impairment analysis, breath alcohol tests scrutinize deep lung air alcohol levels through DOT-sanctioned devices. Besides DOT-supervised employees, breath tests feature often in workplace, incident-follow-up, and reasonable suspicion testing.

Blood Alcohol Test

Esteemed for pinpointing ethanol concentrations in the bloodstream directly, blood tests hold sway in determining impairment with unmatched accuracy. They serve extensively in hospitals, law enforcement, and legal spheres like DUI probes.

PEth Alcohol Blood Test

Detecting prolonged or substantial drinking by spotting unique alcohol markers in red blood cells, PEth tests widely assist in family law issues, rehabilitation supervision, treatment centers, and safety-centric job pre-screening.

ETG Alcohol Test (Hair)

Providing a comprehensive 90-day usage assessment by examining traces rooted in hair, the EtG hair test discerns recurrent habits, bolstering child custody and prolonged monitoring applications. Courts favor this method for its resistance against temporary abstinence attempts.

Thanks to Accredited Drug Testing's expert consultation, acclaimed laboratories, and swift scheduling, every test is designed to furnish unequivocal, transparent, and regulation-abiding outcomes, fostering security and compliance amongst employers and individuals alike.


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

Everything was great

Everything was great, the staff was very polite. Thank you.

Olga Petrova - 9/19/2024

Thank You!!

I needed a quick drug test for visitation with my children. I called at 6am they answered and set me up with a place a couple miles from my house to go get the test done, that was on Wednesday, I had the results on Friday afternoon and was able to see my kids on Saturday. Thank you for the help!

Mark Broadhead - 2/12/2025

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

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

Extremely polite

They were very fast extremely polite walked you through every detail of the process if you had any questions they had no problems answering

Billy Williams - 2/19/2025


Sources


Kentfield Drug Testing

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Kentfield DOT Drug Testing

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Kentfield DNA Testing

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

Kentfield Industry Training

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

Kentfield Hair Drug Testing

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

Kentfield Alcohol Testing

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

Kentfield Drug Testing Services

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

Kentfield 5 Panel Drug Test

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

Kentfield 10 Panel Drug Test

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

Kentfield On Site Drug Testing

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

Kentfield DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Kentfield, 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