Drug Test Services - San Carlos, CA

Urine | Hair | DOT | Oral Fluid | Alcohol/ETG | Occupational Health

With 38 testing centers in the San Carlos 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.

38 Drug Test Service Centers in San Carlos

Minutes Away, Test Today

1100 Laurel Street, Suite F

0.65 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1100 Laurel Street, Suite F
San Carlos, CA 94070

125 Shoreway Rd Ste A

0.91 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
125 Shoreway Rd Ste A
San Carlos, CA 94070

170 Alameda De Las Pulgas

1.81 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
170 Alameda De Las Pulgas
Redwood City, CA 94062

1400 Veterans Blvd Fl 1

2.57 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1400 Veterans Blvd Fl 1
Redwood City, CA 94063

222 W 39th Ave

2.65 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
222 W 39th Ave
San Mateo, CA 94403

1098 Foster City Blvd, Ste 102

3.21 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1098 Foster City Blvd, Ste 102
Foster City, CA 94404

60 N El Camino Real

5.72 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
60 N El Camino Real
San Mateo, CA 94401

300 Pasteur Dr

6.78 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
300 Pasteur Dr
Palo Alto, CA 94304

795 El Camino Real

7.02 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
795 El Camino Real
Palo Alto, CA 94301

1860 El Camino Real Ste 400

8.65 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1860 El Camino Real Ste 400
Burlingame, CA 94010

1501 Trousdale Dr

9.04 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1501 Trousdale Dr
Burlingame, CA 94010

1663 Rollins Rd

9.18 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1663 Rollins Rd
Burlingame, CA 94010

2290 W El Camino Real Ste 4

11.37 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2290 W El Camino Real Ste 4
Mountain View, CA 94040

35500 Dumbarton Ct

11.78 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
35500 Dumbarton Ct
Newark, CA 94560

3555 Whipple Rd

11.87 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3555 Whipple Rd
Union City, CA 94587

26250 Industrial Blvd Ste 32

11.98 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
26250 Industrial Blvd Ste 32
Hayward, CA 94545

29000 Hesperian Blvd

12.09 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
29000 Hesperian Blvd
Hayward, CA 94545

801 Traeger Ave Ste 212

12.19 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
801 Traeger Ave Ste 212
San Bruno, CA 94066

27200 Calaroga Ave

12.77 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
27200 Calaroga Ave
Hayward, CA 94545

3 S Linden Ave

12.96 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3 S Linden Ave
South San Francisco, CA 94080

33077 Alvarado Niles Rd

13.32 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
33077 Alvarado Niles Rd
Union City, CA 94587

33560 Alvarado Niles Rd

13.62 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
33560 Alvarado Niles Rd
Union City, CA 94587

International Terminal Level 3 A Side

13.81 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
International Terminal Level 3 A Side
San Francisco, CA 94128

2500 Grant Rd

13.86 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2500 Grant Rd
Mountain View, CA 94040

573 W El Camino Real

13.92 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
573 W El Camino Real
Mountain View, CA 94040

2587 Merced St

14.50 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
2587 Merced St
San Leandro, CA 94577

39180 Farwell Dr Ste 231

14.51 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
39180 Farwell Dr Ste 231
Fremont, CA 94538

1555 Doolittle Dr Ste 180

14.70 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1555 Doolittle Dr Ste 180
San Leandro, CA 94577

24326 Mission Blvd Ste 3

14.81 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
24326 Mission Blvd Ste 3
Hayward, CA 94544

5763 Stevenson Blvd

14.97 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
5763 Stevenson Blvd
Newark, CA 94560

901 W El Camino Real

15.14 mi
🕑 Facility: Mon–Fri: 07:00 AM - 03:00 PM (Lunch: 11:00 AM - 12:00 PM)⚡ Drug Screens: Mon–Fri: 08:00 AM - 10:30 AM, 12:00 PM - 02:00 PM
901 W El Camino Real
Sunnyvale, CA 94087

42650 Christy St

15.32 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
42650 Christy St
Fremont, CA 94538

2147 Mowry Ave Ste C1

15.66 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2147 Mowry Ave Ste C1
Fremont, CA 94538

13939 E 14th St

15.70 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
13939 E 14th St
San Leandro, CA 94578

3161 Walnut Ave

15.75 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-10:00 PM • Sat: 9:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
3161 Walnut Ave
Fremont, CA 94538

877 W Fremont Avenue, Ste H-2

15.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
877 W Fremont Avenue, Ste H-2
Sunnyvale, CA 94087

2000 Mowry Ave

15.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2000 Mowry Ave
Fremont, CA 94538

20400 Lake Chabot Rd Ste 101,

16.18 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
20400 Lake Chabot Rd Ste 101,
Castro Valley, CA 94546

Employers | Individuals | Families

Accredited Drug Testing provides comprehensive drug and alcohol testing services to promote workplace safety, meet compliance requirements, and support legal or personal needs for testing. Drug Testing helps prevent accidents, ensures a drug-free workplace,and meets Federal mandates such as those outlined by the Department of Transportation (DOT)

Drug Testing Services

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

Urine Drug Testing Services

Urine drug testing in San Carlos, California is a proven method for detecting the presence of drugs in the system. It's affordable, easy to administer, and provides fast results, making it ideal for various applications. This testing is commonly used by employers and law enforcement agencies. Learn More

Purpose of Urine Drug Testing

  • Employee screening
  • Rehabilitation monitoring
  • Compliance with legal requirements
  • Safety-sensitive positions
  • Athletic testing

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • Methamphetamines

In San Carlos, California, urine drug testing remains a top choice due to its non-invasive nature and broad detection range. It provides detailed insights, ensuring informed decisions for workplace safety and public welfare.

Order Your Test Online

Alcohol Test Services

Alcohol testing is employed to determine the presence and concentration of alcohol in an individual's bloodstream or breath, typically to ensure legal compliance and safety. It aids in maintaining alcohol-free zones in workplaces and regulated environments.

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Alcohol Testing is used in many settings

  • Workplace safety programs
  • Law enforcement operations
  • Rehabilitation centers
  • Personal monitoring
  • School settings

Common Methods of Alcohol Testing

  • Breathe Test
  • Saliva Test
  • Blood Test
  • Urine Test

Breathe Test - Used to measure breath alcohol content instantly.

Saliva Test - Provides a quick way to determine recent consumption.

Blood Test - Offers precise measurement but is invasive.

Urine Test - Used to detect alcohol up to a few hours post-consumption.

Order Your Test Online

Hair Follicle Drug Testing Services

Hair follicle drug testing in San Carlos, California provides a long detection window and the ability to detect repeated drug use patterns over months. A small hair sample is all that's needed, making it non-invasive and tamper-resistant compared to other methods. Learn More

Why Use Hair Drug Testing?

  • Detects long-term use
  • Non-invasive collection
  • Difficult to tamper
  • Used in legal and employment settings
  • Supports recovery monitoring
  • Comprehensive drug panel

What Drugs Can Be Detected

  • Cocaine
  • Opiates
  • Methamphetamines
  • Marijuana
  • Ecstasy
  • PCP

In San Carlos, California, hair drug testing is a preferred choice for its extended detection period and reliability, ensuring compliance and safety in various sectors including employment and justice.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing in San Carlos, California is required to comply with Department of Transportation regulations. It ensures individuals operating transportation vehicles are free from illegal substances to guarantee public safety.

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Who is Required to Take DOT Drug Tests?

  • Commercial truck drivers
  • Bus drivers
  • Pipeline workers
  • Aviation personnel
  • Maritime employees
  • Railroad crew members

What Drugs Are Tested For

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • PCP

In San Carlos, California, adhering to DOT drug testing ensures that transportation service providers meet federal regulations and maintain the safety of their operations.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing is a legal requirement for individuals on probation to ensure they remain drug-free as a part of their rehabilitation process. It helps provide accountability and demonstrates compliance with court or probation conditions, contributing to community safety and individual recovery.

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Why Are Probation Drug Test Services Available?

  • Compliance: Ensures adherence to legal mandates.
  • Safety: Protects communities from potential offenses.
  • Rehabilitation: Supports recovery and sobriety.
  • Accountability: Keeps individuals responsible.
  • Progress Monitoring: Gauges treatment effectiveness.

Testing Methods

  • Urine tests: Common, cost-effective method.
  • Hair follicle tests: Provides long-term use data.
  • Saliva tests: Short detection period.
  • Blood tests: Highly accurate but invasive.

In San Carlos, California, probation drug testing plays a crucial role in the justice system, providing critical feedback for courts and enabling individuals to stay on a path toward recovery and reintegration.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing in San Carlos, California is mandated by the judicial system to enforce legal decisions related to substance use, ensuring compliance through reliable testing methods.

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Why are Court Ordered Drug Test Services Available?

  • Ensure compliance with legal agreements
  • Support rehabilitation efforts
  • Protect community welfare
  • Verify sobriety claims
  • Resolve custodial disputes

Court Ordered Test Methods

  • Urine tests: Standard and cost-effective
  • Hair follicle tests: Detects long-term use
  • Saliva tests: Quick results for recent use
  • Blood tests: Accurate and detailed
  • Nail tests: Reflects recent as well as historical use

In San Carlos, California, these tests uphold legal standards, helping in judicious decision-making to support justice and community safety.

Order Your Test Online

Fingernail Drug Testing Services

Fingernail drug testing in San Carlos, California is a dependable method for detecting historical drug use. This test checks keratin from nails, providing a long detection range for certain illicit substances. Highly favored in judicial settings, it ensures comprehensive coverage while being less intrusive than other drug testing methods.

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What is the Detection Window for Fingernail Drug Tests

  • Fingernails: Detects drug use up to 6 months back
  • Toenails: Offers a longer timeline than fingernails, up to 12 months

What Drugs Can Be Detected

  • Amphetamines
  • Cocaine
  • Marijuana
  • Opiates
  • Benzodiazepines

Advantages over other methods

  • Non-invasive sample collection
  • Extended detection periods
  • Minimal risk of substitution
  • Comprehensive historical data
  • Reduced likelihood of falsification

Fingernail drug testing in San Carlos, California remains an excellent option for individuals aiming to maintain a drug-free lifestyle, contributing to healthier communities through meticulous monitoring.

Order Your Test Online

Occupational Health Test Services

Occupational health testing in , WI focuses on ensuring worker safety and well-being through a variety of health assessments. Companies prioritize these evaluations to prevent workplace injuries and improve staff health, thereby enhancing productivity and reducing compensation costs. Reliable assessments help maintain a healthier work environment.

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Purpose of Occupational Health Testing

  • Enhance employee safety
  • Identify health risks early
  • Ensure regulatory compliance
  • Reduce absenteeism
  • Promote workplace health

Common Types of Occupational Health Tests

  • Fitness for duty exams: Determines employee capability to safely perform job duties.
  • Respirator Fit Testing: Ensures adequate protection for workers using respirators.
  • Pulmonary Function Tests (PFT's): Assesses lung health and capacity.
  • Tuberculosis (TB): Screening for workplace transmission risks.
  • Vision: Evaluates eyesight essential for job functions.
  • Audiometric: Tests hearing to protect against noise-induced hearing loss.

In , San Carlos, California, occupational health testing is fundamental for fostering safe and efficient workplaces, benefiting both employers and employees.

Order Your Test Online

Drug Statistics for San Carlos, California

Drug-related statistics for San Carlos, California, indicate a focus on preventive measures and community education. Efforts to reduce substance abuse include public awareness programs and collaboration with local law enforcement. While specific statistics for drug use in San Carlos are not always readily available, the city is proactive in addressing potential issues through comprehensive health and safety initiatives.

San Carlos works closely with regional agencies to monitor and respond to trends in drug use, ensuring that officials and service providers are equipped to act effectively. This involves regular updates on prescription drug abuse and the illegal drug market, allowing the community to adapt strategies aimed at reducing substance misuse and supporting recovery efforts.

Drug Testing Regulations in California

Employer drug testing in San Carlos must comply with state guidelines under Cal. Lab. Code § 1025 et seq.. California AB 2188 requires non-psychoactive cannabis metabolite protections while retaining full employer rights for pre-employment, post-accident, and safety-sensitive testing.

Medical Marijuana Status: Legal  |  Recreational Marijuana Status: Legal

Surrounding Areas Served Near San Carlos

Belmont • Palomar Park • Redwood City • Redwood Valley • Emerald Lake Hills • Foster City • North Fair Oaks • Highlands

Drug & Alcohol Test Selection & Panel Comparison

Test Type / Panel Detection Window Common Applications Turnaround Time
5-Panel Urine Screen 1 to 5 Days Standard Pre-Employment, Random & Workplace Testing 24 to 48 Hours
10-Panel Urine Screen 1 to 7 Days Expanded Employment, Healthcare & Probation 24 to 48 Hours
Hair Follicle Drug Test Up to 90 Days Long-Term Monitoring, Court-Ordered & Custody 3 to 5 Business Days
Oral Fluid / Saliva Screen 1 to 48 Hours Immediate Recent-Use Screening & On-Site Testing 24 to 48 Hours
ETG Alcohol Testing Up to 80 Hours Court-Ordered Alcohol Abstinence & Probation Monitoring 24 to 48 Hours

San Carlos Drug Testing

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

San Carlos DOT Drug Testing

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

San Carlos DNA Testing

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

San Carlos Industry Training

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

San Carlos Hair Drug Testing

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

San Carlos Alcohol Testing

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

San Carlos Drug Testing Services

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

San Carlos 5 Panel Drug Test

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

San Carlos 10 Panel Drug Test

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

San Carlos On Site Drug Testing

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

San Carlos DOT Physicals

Certified DOT physicals with quick, reliable exams to keep San Carlos, 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 0 certified collection sites in the San Carlos area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across San Carlos, 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

Super Helpful

Detricia was super helpful in making sure that the drug test is sent my worker for was the right one I needed for my company to be compliant with my customers drug test requirements.

Kevin Howell - 12/19/2024

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

Very professional and very quick

Very professional and very quick service to schedule appointments! I am pleased with the services and would definitely recommend using them for any drug testing needs!

Carrie Feerick - 4/19/2025

Really Helpful

I am just really happy to see that the location near me still offers hair follicle tests!! They are really helpful when any false positives happen, waiting on my results. Hope they come fast!

Kali Collins - 1/16/2025

Fast service and friendly staff!

Fast service and friendly staff! Could not recommend enough for drug testing services.

Habib Malik - 4/12/2025

ADT is truly the best

Where do I start?!! ADT is truly the best!! I had the pleasure of speaking with Tori today! She was excellent, professional and truly went above and beyond in her kind, compassionate care and commitment to providing me with the best service possible. I was in such a time crunch, but I was able to call, order the test, pay for it over the phone and get the test I needed within the hour. Not only did this put my mind at ease, they saved my job!! I am forever grateful for this team of hard workers, that care, with such great work ethics! Thank you from the very bottom of my heart!!! If you need a drug, alcohol, etc… screening, this team will be your lifesavers!!

Sarah Patterson - 4/8/2025

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

Smooth and Seamless

I use their service for new hire and DOT employee's. Spoke with Taisha Walker this morning, and she was very helpful. She made the process smooth and seamless.

Christina Galdos - 3/9/2025

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

This is by far the easiest

This is by far the easiest way to get my lab work ordered and paid for. The phone calls are short and to the point. They don’t try to push extra sales on you and when I walk in to the clinic I simply show my donor pass and with in a matter of minutes I’m done. I will continue to use ADT in the future.

Jason Jackson - 7/19/2025


(800) 221-4291