DOT Drug Testing - Tassajara, CA

FMCSA-USCG-FTA-FRA-FAA-PHMSA

With 34 testing centers in the Tassajara 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.

34 DOT Drug-Testing Centers in Tassajara

Minutes Away, Test Today

3901 Lone Tree Way

7.89 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3901 Lone Tree Way
Antioch, CA 94509

4501 Sand Creek Rd

8.00 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4501 Sand Creek Rd
Antioch, CA 94531

5167 Clayton Rd Ste H

8.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5167 Clayton Rd Ste H
Concord, CA 94521

5601 Norris Canyon Rd Ste 140

8.49 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5601 Norris Canyon Rd Ste 140
San Ramon, CA 94583

6001 Norris Canyon Rd Ste 142

8.49 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6001 Norris Canyon Rd Ste 142
San Ramon, CA 94583

2301 Camino Ramon Ste 108

8.68 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2301 Camino Ramon Ste 108
San Ramon, CA 94583

3450 Hillcrest Ave

8.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3450 Hillcrest Ave
Antioch, CA 94531

2339 Buchanan Rd

8.89 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2339 Buchanan Rd
Antioch, CA 94509

2400 Balfour Rd Ste 230

8.97 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2400 Balfour Rd Ste 230
Brentwood, CA 94513

3400 Delta Fair Blvd

9.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3400 Delta Fair Blvd
Antioch, CA 94509

3774 Railroad Ave Ste C

9.52 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3774 Railroad Ave Ste C
Pittsburg, CA 94565

3901 Walnut Blvd Ste A-2

9.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3901 Walnut Blvd Ste A-2
Brentwood, CA 94513

1181 Central Boulevard, Suite C

9.90 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1181 Central Boulevard, Suite C
Brentwood, CA 94513

1251 California Ave Ste 600

9.93 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1251 California Ave Ste 600
Pittsburg, CA 94565

320 Lennon Ln Fl 2

10.17 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
320 Lennon Ln Fl 2
Walnut Creek, CA 94598

1001 Pittsburg Antioch Hwy Ste B

10.30 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1001 Pittsburg Antioch Hwy Ste B
Pittsburg, CA 94565

108 La Casa Via, Ste 105

10.43 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
108 La Casa Via, Ste 105
Walnut Creek, CA 94598

1901 Railroad Ave Ste B

10.53 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1901 Railroad Ave Ste B
Pittsburg, CA 94565

1425 S Main St

10.93 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1425 S Main St
Walnut Creek, CA 94596

1981 N Broadway Ste 190

11.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1981 N Broadway Ste 190
Walnut Creek, CA 94596

4000 Dublin Blvd Ste 150

11.37 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4000 Dublin Blvd Ste 150
Dublin, CA 94568

7667 Amador Valley Blvd

11.90 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7667 Amador Valley Blvd
Dublin, CA 94568

2477 Pacheco St

12.06 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2477 Pacheco St
Concord, CA 94520

2 Terminal

12.22 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2 Terminal
San Francisco, CA 94128

2425 East Street, Suite 6

12.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2425 East Street, Suite 6
Concord, CA 94520

2540 East St

12.33 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2540 East St
Concord, CA 94520

3128 Santa Rita Rd

12.43 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3128 Santa Rita Rd
Pleasanton, CA 94566

2090 Commerce Ave

12.52 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2090 Commerce Ave
Concord, CA 94520

4847 Hopyard Rd Ste 4-424

12.52 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4847 Hopyard Rd Ste 4-424
Pleasanton, CA 94588

2231 Galaxy Ct

12.63 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2231 Galaxy Ct
Concord, CA 94520

5635 W Las Positas Blvd

12.75 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
5635 W Las Positas Blvd
Pleasanton, CA 94588

2224 Delucchi Dr

12.80 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2224 Delucchi Dr
Pleasanton, CA 94588

401 Gregory Ln, Ste 146

12.86 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
401 Gregory Ln, Ste 146
Pleasant Hill, CA 94523

7601 Stoneridge Dr Fl 1

12.91 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7601 Stoneridge Dr Fl 1
Pleasanton, CA 94588

DOT Drug Testing, DOT Consortium, DOT Physicals, FMCSA Clearinghouse, Serving All DOT modes

We have 34 DOT drug testing locations to serve you in and around Tassajara, CA.

In Tassajara, CA, our local centers offer comprehensive DOT drug and alcohol testing services including DOT Physicals, and Consortium enrollments. These facilities cater to all DOT modes requiring 49 CFR Part 40 compliance, including FMCSA, FTA, FAA, USCG, FRA, and PHMSA. Conveniently situated, we provide swift, same-day services for employers and individuals alike.

Select the DOT service or test you need at a nearby center—service is available for individuals, employees, or third parties. Our process is designed to be efficient, allowing you to schedule DOT tests near Tassajara smoothly.

When you're searching for drug testing near me or drug testing locations, we provide a simple and convenient process to find a drug and alcohol testing location near you that is certified to provide all of your drug and alcohol testing needs.

Tassajara, California DOT Services

DOT Drug Testing & Services Available in Tassajara, CA:

Our DOT services in Tassajara, CA enable companies to adhere to mandated drug and alcohol testing requirements. With a focus on efficiency, we provide testing that simplifies compliance for all industry stakeholders, keeping operations smooth in Tassajara, California.

DOT Services in Tassajara, CA

DOT regulations mandate drug and alcohol screenings to ensure safe transportation across all sectors. Accredited Drug Testing complies with these requirements by providing detailed testing processes in Tassajara, CA, assisting employers and employees in fulfilling their safety obligations.

In Tassajara, California, we offer services aligned with federal guidelines to maintain a drug-free workplace, critical for industry safety and performance. This ensures smooth operations and safety compliance nationwide.

Employee safety is paramount, with regulations in place to mitigate risks related to substance abuse. Our services in Tassajara, CA include educational resources to promote awareness and understanding of these vital standards.

Accredited Drug Testing supports DOT initiatives in Tassajara, California, by offering comprehensive compliance solutions tailored to regional and industry-specific needs. This fosters a safer working environment across transportation sectors.

FMCSA Information

In Tassajara, CA, FMCSA regulations require thorough drug and alcohol testing to ensure driver safety and the reliability of commercial vehicles. Testing mitigates the risk of accidents resulting from substance use.

FMCSA mandates extensive compliance in Tassajara, California, ensuring that commercial driver standards meet national safety guidelines while maintaining a drug-free transportation environment.

USCG Information

USCG regulations in Tassajara, CA enforce integral drug and alcohol testing for maritime operations, securing waterways against substance-related risks.

In Tassajara, California, USCG compliance supports a safe maritime environment, essential for protecting personnel and maintaining operational integrity on national waters.

FAA Information

The FAA enforces stringent drug and alcohol testing in Tassajara, CA, guaranteeing aviation personnel maintain optimal performance levels free from substance influence.

FAA testing protocols in Tassajara, California are designed to protect passengers and crew by ensuring all aviation staff meet federal safety standards without compromise.

FRA Information

The FRA in Tassajara, CA mandates drug and alcohol testing to preserve rail safety and performance reliability, ensuring all rail operators provide a safe environment.

FRA regulations in Tassajara, California enforce compliance through robust testing measures, supporting rail industry's commitment to a drug-free workplace.

FTA Information

FTA mandates in Tassajara, CA ensure public transit operators meet safety standards through reliable drug and alcohol testing, promoting community safety and trust.

FTA testing in Tassajara, California keeps public transportation systems safe and efficient, ensuring compliance with national regulations for passenger and operator protection.

PHMSA Information

PHMSA's strict protocols in Tassajara, CA demand rigorous drug and alcohol testing for pipeline and hazardous material transport workers, fortifying safety and operational reliability.

In Tassajara, California, PHMSA compliance ensures the safety and security of hazardous material logistics through comprehensive testing, promoting a safety-first culture.

Scheduling in Tassajara, CA

To book DOT drug or alcohol tests in Tassajara, CA, call (800) 221-4291 or use our online system. Complete the registration section before visiting the center.

Use your zip code to find the closest center in Tassajara, CA. A form with the center details will be emailed to you. Have this form ready for the test. Usually, no appointment is required, but registration and payment are necessary upfront.

Our tests are SAMHSA-certified, and results are verified by licensed physicians who act as Medical Review Officers (MRO).

Beyond Tassajara, CA, Accredited Drug Testing provides services in neighboring cities within the metropolitan area.

Nationwide, Accredited Drug Testing has centers available for your testing needs, ensuring service is accessible wherever you are.

California Dept. of Transportation Updates

DUI Statistics in Tassajara, CA

In Tassajara, California, which is part of Contra Costa County, DUI (Driving Under the Influence) incidents are a concern for local law enforcement and the Department of Transportation (DOT). The Golden State has strict penalties for DUI offenses, and Tassajara follows California's regulations closely. Contra Costa County reports an average of 1,200 DUI arrests annually. The enforcement measures include sobriety checkpoints and increased patrols, especially during holiday seasons, to curb the influence of alcohol and drugs on drivers. The California Highway Patrol (CHP) collaborates with local agencies to reduce these numbers and create awareness programs targeting high-risk groups in Tassajara, CA.

Drug-Involved Accidents in Tassajara, CA

Tassajara, CA, and the encompassing Contra Costa County face challenges related to drug-involved vehicular accidents. As part of California's broader strategy to address this issue, local data indicates an alarming rise in accidents where the driver was under the influence of drugs other than alcohol. The state of California reports approximately 450 crashes annually in Contra Costa County involving drug-impaired drivers. The California Department of Transportation (Caltrans) and local law enforcement agencies have implemented education campaigns and partnerships with community organizations to reduce such incidents by promoting safe driving practices and offering rehabilitation and support programs for those affected.

Marijuana-Related Accidents in Tassajara, CA

With California's legalization of recreational marijuana, Tassajara, part of Contra Costa County, has observed an uptick in marijuana-related vehicular incidents. The trend is consistent with broader state data, which indicates a correlation between marijuana consumption and impaired driving. In Contra Costa County, out of approximately 3,000 annual traffic accidents, nearly 10% are suspected to be marijuana-related. The California Department of Transportation (Caltrans) and local municipalities emphasize awareness through safety campaigns that underscore the dangers of driving under the influence of cannabis. Legislative measures in California aim to refine testing methods and improve detection to help minimize such occurrences in Tassajara, CA.

Tassajara Drug Testing

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

Tassajara DOT Drug Testing

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

Tassajara DNA Testing

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

Tassajara Industry Training

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

Tassajara Hair Drug Testing

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

Tassajara Alcohol Testing

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

Tassajara Drug Testing Services

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

Tassajara 5 Panel Drug Test

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

Tassajara 10 Panel Drug Test

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

Tassajara On Site Drug Testing

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

Tassajara DOT Physicals

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

A DOT drug test is a federally regulated drug test required for safety-sensitive transportation employees, such as CDL drivers. It is collected and processed under specific DOT procedures (49 CFR Part 40), including strict chain of custody, certified lab analysis, and documented results appropriate for DOT compliance."
DOT testing applies to employees in safety-sensitive roles, including commercial drivers and other regulated transportation workers. Employers must ensure pre-employment testing, random testing, post-accident testing, reasonable suspicion testing, return-to-duty, and follow-up testing are performed as required."
Yes. Accredited Drug Testing maintains access to DOT-compliant collection sites nationwide. Drivers and employers can schedule testing at a nearby location for required DOT drug and alcohol tests, including urgent post-accident or reasonable suspicion testing."
DOT-required testing includes pre-employment, random, post-accident, reasonable suspicion/reasonable cause, return-to-duty, and follow-up testing. For alcohol, evidential breath testing devices are used to document alcohol concentration following DOT protocol."
Yes. Solo CDL drivers and owner-operators are still subject to DOT testing requirements. They must participate in a compliant random testing program and complete required testing events using DOT-approved processes. Accredited Drug Testing assists in meeting these obligations."
If a DOT drug test screen is not negative, the specimen is sent for confirmatory testing using more specific laboratory methods. Final results are documented and reported according to DOT rules. An employee who has a violation must complete the DOT return-to-duty and follow-up process before resuming safety-sensitive work."
Yes. DOT drug and alcohol test results are released only to authorized employer representatives and are maintained in compliance files for DOT purposes. Results are handled in a controlled and confidential manner."
Yes. Accredited Drug Testing supports urgent post-accident and reasonable suspicion testing because DOT rules require timely documentation of possible impairment following an incident or observed behavior in a safety-sensitive environment."

Customer Reviews

they have made my job much easier

I always have a good experience setting up company driver drug screens through ADT. I'm really happy I found them while searching online, they have made my job much easier.

Exodus Heath - 2/13/2025

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

quick to assist

They are very quick to assist with your orders and they helped when I needed to find a new testing facility.

Gary Matkin - 2/19/2025


(800) 221-4291