Drug & Alcohol Testing Near Me - San Carlos, 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

38 Drug-Testing Centers in San Carlos

Minutes Away, Test Today

1100 Laurel Street, Suite F0.65 miles

1100 Laurel Street, Suite F
San Carlos, CA 94070

125 Shoreway Rd Ste A0.91 miles

125 Shoreway Rd Ste A
San Carlos, CA 94070

170 Alameda De Las Pulgas1.81 miles

170 Alameda De Las Pulgas
Redwood City, CA 94062

1400 Veterans Blvd Fl 12.57 miles

1400 Veterans Blvd Fl 1
Redwood City, CA 94063

222 W 39th Ave2.65 miles

222 W 39th Ave
San Mateo, CA 94403

1098 Foster City Blvd, Ste 1023.21 miles

1098 Foster City Blvd, Ste 102
Foster City, CA 94404

60 N El Camino Real5.72 miles

60 N El Camino Real
San Mateo, CA 94401

300 Pasteur Dr6.78 miles

300 Pasteur Dr
Palo Alto, CA 94304

795 El Camino Real7.02 miles

795 El Camino Real
Palo Alto, CA 94301

1860 El Camino Real Ste 4008.65 miles

1860 El Camino Real Ste 400
Burlingame, CA 94010

1501 Trousdale Dr9.04 miles

1501 Trousdale Dr
Burlingame, CA 94010

1663 Rollins Rd9.18 miles

1663 Rollins Rd
Burlingame, CA 94010

2290 W El Camino Real Ste 411.37 miles

2290 W El Camino Real Ste 4
Mountain View, CA 94040

35500 Dumbarton Ct11.78 miles

35500 Dumbarton Ct
Newark, CA 94560

3555 Whipple Rd11.87 miles

3555 Whipple Rd
Union City, CA 94587

26250 Industrial Blvd Ste 3211.98 miles

26250 Industrial Blvd Ste 32
Hayward, CA 94545

29000 Hesperian Blvd12.09 miles

29000 Hesperian Blvd
Hayward, CA 94545

801 Traeger Ave Ste 21212.19 miles

801 Traeger Ave Ste 212
San Bruno, CA 94066

27200 Calaroga Ave12.77 miles

27200 Calaroga Ave
Hayward, CA 94545

3 S Linden Ave12.96 miles

3 S Linden Ave
South San Francisco, CA 94080

33077 Alvarado Niles Rd13.32 miles

33077 Alvarado Niles Rd
Union City, CA 94587

33560 Alvarado Niles Rd13.62 miles

33560 Alvarado Niles Rd
Union City, CA 94587

International Terminal Level 3 A Side13.81 miles

International Terminal Level 3 A Side
San Francisco, CA 94128

2500 Grant Rd13.86 miles

2500 Grant Rd
Mountain View, CA 94040

573 W El Camino Real13.92 miles

573 W El Camino Real
Mountain View, CA 94040

2587 Merced St14.50 miles

2587 Merced St
San Leandro, CA 94577

39180 Farwell Dr Ste 23114.51 miles

39180 Farwell Dr Ste 231
Fremont, CA 94538

1555 Doolittle Dr Ste 18014.70 miles

1555 Doolittle Dr Ste 180
San Leandro, CA 94577

24326 Mission Blvd Ste 314.81 miles

24326 Mission Blvd Ste 3
Hayward, CA 94544

5763 Stevenson Blvd14.97 miles

5763 Stevenson Blvd
Newark, CA 94560

901 W El Camino Real15.14 miles

901 W El Camino Real
Sunnyvale, CA 94087

42650 Christy St15.32 miles

42650 Christy St
Fremont, CA 94538

2147 Mowry Ave Ste C115.66 miles

2147 Mowry Ave Ste C1
Fremont, CA 94538

13939 E 14th St15.70 miles

13939 E 14th St
San Leandro, CA 94578

3161 Walnut Ave15.75 miles

3161 Walnut Ave
Fremont, CA 94538

877 W Fremont Avenue, Ste H-215.76 miles

877 W Fremont Avenue, Ste H-2
Sunnyvale, CA 94087

2000 Mowry Ave15.76 miles

2000 Mowry Ave
Fremont, CA 94538

20400 Lake Chabot Rd Ste 101,16.18 miles

20400 Lake Chabot Rd Ste 101,
Castro Valley, CA 94546

Drug Testing Near Me

Searching for drug testing nearby? Opt for the preeminent choice in nationwide testing services Accredited Drug Testing, Inc.. This esteemed provider caters to the urgent need for same-day drug and alcohol testing, boasting an extensive network of over 20,000 locations across the U.S., including San Carlos, CA. Whether required for DOT compliance, judicial mandates, employment screening, or personal inquiries, scheduling is seamlessly expedited while ensuring discretion. With robust, certified collection venues and advanced laboratories, we guarantee results that uphold both federal and state regulations. To book an appointment at a nearby center, easily connect with us by dialing (800) 221-4291, or schedule online anytime. When precision, compliance, and reassurance are paramount, trust Accredited Drug Testing to consistently provide on-time, dependable outcomes.

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

Understanding Urine Drug Testing in San Carlos, CA

Urine drug testing stands as the foremost screening approach within the United States, mandated as the sole method approved for DOT-regulated drug testing according to 49 CFR Part 40 guidelines. By evaluating a urine sample for drugs, their metabolites, and alcohol biomarkers, this technique effectively identifies recent substance use. This standardized process is renowned for its confidentiality, offering precise, legally viable outcomes suitable for employers, individuals, and judicial programs.

Testing Procedures & Collection Protocols

Time Frame for Urine Test Results

Extra time might be necessitated for circumstances like shy bladders, invalid specimens, additional confirmations, or prolonged donor contact.

Advantages and Limitations

Urine testing, due to inherent advantages, remains the most feasible and extensively utilized drug and alcohol screening strategy not only in San Carlos, CA but nationwide.

How Hair Drug Testing Works

Hair drug and alcohol screenings stand as a credible forensic strategy to detect long-term usage frameworks. In contrast to urine testing which reveals recent consumptions, hair analysis evaluates drug metabolites ensconced in the hair shaft, offering a comprehensive 90-day observation span. This approach is invaluable for workplace assessments, legal cases, child custody disputes, and scenarios demanding a broader snapshot of an individual's substance history, with services inclusive in San Carlos, CA.

Testing Procedures & Collection Workflow

1. Verification of Donor Identity

Proceedings start once the donor presents a valid government ID, finalizing every essential consent, and custody signatures for viable documentation.

2. Hair Sample Gathering

Expert collectors acquire a compact hair strain - chiefly 100-120 strands - trimmed close to the scalp. Despite the head's crown being the favored site, in its absence, alternate body hair might be harvested courteously, quietly observed throughout.

3. Custodial Chain Documentation

A Hair Drug Test Custody and Control Form is affixed to authenticate the collection, sealing, and transit of the specimen, assuring legally defensible outcomes and preserving integrity throughout testing.

4. Laboratory Conditioning & Analysis

In the lab, hair samples navigate several forensic phases:

  • Decontamination: Erasure of exterior contaminants, like smoke residue or environs.
  • Sectioning/Grinding: Hair is segmented or pulverized prepping for extraction.
  • Extraction: Drug metabolites are chemically retrieved from within the hair matrix.

The sample is then scrutinized utilizing advanced testing techniques:

  • Initial Screening - Immunoassay evaluations spotlight drug categories.
  • Verification Testing - GC/MS or LC/MS apparatuses affirmed specific drugs/metabolites with technical accuracy.

5. Metabolite Detection

While the hair nurtures, drug remains preserve within its shaft yielding a staunch long-term consumption record, rendering hair testing remarkably secure against tampering or deceit.

6. MRO Analysis

Appointed Medical Review Officers evaluate all non-negative data for compliance, cognize possible healthcare justifications, thereafter issuing the certified final inference.

Timeline for Hair Test Results

  • Standard Hair Testing: 2-3 business days post-sample arrival at the lab.
  • Intricate Panels/Alcohol Testing (EtG/FAEE): Determinable over a 3-5 business day stretch based on the test module.

Despite the protracted laboratory processes involved in hair testing, its steadfast detection reliability surpasses urine testing alternatives considerably.

Advantages of Hair Drug & Alcohol Testing

  • 90-day detection latitude reflecting enduring substance consumption.
  • Extremely impregnable against counterfeiting or tampering stratagems.
  • Charts regular, sporadic, or ceased drug usage patterns.
  • Favored in legal contests, child custody determinations, and regulatory adherences.
  • Non-invasive and rapidly executed collection.
  • Currently, no DOT regulated approvals exist for hair testing criteria.

Constraints of Hair Drug & Alcohol Testing

  • Incumbent challenges spotting very recent uses (5-7 days ensuing consumption).
  • Carries heftier expenses when estimated against urine or oral fluids tests.
  • Body hair unable to provide definite detection intervals.
  • Substances integrate with hair variably influenced by hair types and maturity rates.
  • Though possessing certain limitations, hair testing endures as a premium method for discerning chronic substance consumptions, enacted extensively by employers, legal authorities, and individual users demanding credible tamper-protected outcomes.

Alcohol & Drug Testing-How Each Method Works

Situated in San Carlos, CA and beyond, Accredited Drug Testing offers an extensive array of alcohol and drug testing options to suit a diverse range of requirements, encompassing employers, the Department of Transportation (DOT), legal mandates, and personal interests. Selecting the suitable testing approach ensures the precision, reliability, and compliance with state and federal regulations that are critical for securing valid outcomes. Our expansive network, certified labs, and experienced Medical Review Officers emphasize the professionalism and accuracy necessary for dependable test results.

Alcohol Urine Drug Test

The alcohol urine test efficiently determines recent alcohol intake by detecting ethanol metabolites in urine samples. Primarily utilized for employment screenings, legal compliance, and post-incident evaluations, it offers a brief detection window that accurately pinpoints alcohol consumption over several hours, presenting an affordable and swift assessment method.

ETG Alcohol Test (Urine)

The EtG (Ethyl Glucuronide) urine test stands out for its sensitivity, detecting alcohol consumption up to 80 hours post-intake, making it a favored choice among legal bodies, rehabilitation centers, and compliance organizations. By offering an extended detection period, this method ensures precise outcomes and is renowned for its reliability.

Breath Alcohol Test

A breath alcohol test assesses immediate impairment by measuring alcohol concentration in exhaled air extracted from deep lung regions. Conducted with DOT-approved instruments, these tests provide immediate and legally sound results, essential for DOT-regulated employees and commonly used in employment settings, incident response, and suspicions of substance use scenarios.

Blood Alcohol Test

The blood alcohol test offers a direct measure of alcohol present in the bloodstream, confirming it as a primary choice for inferring impairment. Renowned for its accuracy, it is relied upon by medical centers, law enforcement, and legal agencies seeking insights for DUI investigations, urgent care needs, or critical legal inquiries.

PEth Alcohol Blood Test

Focused on assessing prolonged alcohol consumption, the PEth (Phosphatidylethanol) blood test identifies unique biomarkers associated with alcohol within red blood cells. Ideal for detecting usage over 2-3 weeks, it is acclaimed as a premier indicator of extended drinking patterns and used widely in family law, monitoring systems, treatment programs, and pre-employment checks for roles demanding high safety standards.

ETG Alcohol Test (Hair)

The EtG hair alcohol test delivers a 90-day perspective on alcohol use by scrutinizing metabolites integrated into the hair strands. This approach reveals habitual, chronic consumption patterns rather than singular instances, establishing its reliance among judicial proceedings, child safety evaluations, and prolonged monitoring instructions for authentic, tamper-proof findings.

With specialized assistance, certified national laboratories, and expedient scheduling, Accredited Drug Testing guarantees every alcohol testing option achieves clear, compliant, and defensible results, empowering both individuals and organizations in safeguarding their safety, security, and regulatory adherence.


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

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

Super helpful

Customer service was surprisingly super helpful and so nice. She was able to get me in at a local location right away the same day. She helped me figure out exactly what I needed. Very impressed.

Brook - 9/19/2024

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

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

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


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(800) 221-4291