DOT Drug Testing - Walnut, CA

FMCSA-USCG-FTA-FRA-FAA-PHMSA

With 36 testing centers in the Walnut 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.

36 DOT Drug-Testing Centers in Walnut

Minutes Away, Test Today

1981 N Broadway Ste 190

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

1425 S Main St

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

108 La Casa Via, Ste 105

1.21 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

320 Lennon Ln Fl 2

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

401 Gregory Ln, Ste 146

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

609 Gregory Ln Ste 100

3.01 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
609 Gregory Ln Ste 100
Pleasant Hill, CA 94523

2090 Commerce Ave

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

2280 Diamond Blvd Ste 520

4.95 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2280 Diamond Blvd Ste 520
Concord, CA 94520

2231 Galaxy Ct

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

2477 Pacheco St

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

2425 East Street, Suite 6

5.52 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

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

1805 Arnold Dr

6.23 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1805 Arnold Dr
Martinez, CA 94553

5167 Clayton Rd Ste H

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

827 Arnold Dr Ste 70

6.86 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
827 Arnold Dr Ste 70
Martinez, CA 94553

200 Muir Rd Hacienda Bldg, 1st Floor

7.19 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
200 Muir Rd Hacienda Bldg, 1st Floor
Martinez, CA 94553

3237 Alhambra Ave Ste 2

7.49 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3237 Alhambra Ave Ste 2
Martinez, CA 94553

2301 Camino Ramon Ste 108

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

6001 Norris Canyon Rd Ste 142

10.58 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

5601 Norris Canyon Rd Ste 140

10.58 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

2450 Ashby Ave

11.06 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2450 Ashby Ave
Berkeley, CA 94705

4749 Surrey Ln

11.19 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4749 Surrey Ln
El Sobrante, CA 94803

1517 Grand Ave

11.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1517 Grand Ave
Piedmont, CA 94611

1001 Pittsburg Antioch Hwy Ste B

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

3774 Railroad Ave Ste C

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

4069 Piedmont Ave Ste 910

11.65 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4069 Piedmont Ave Ste 910
Oakland, CA 94611

3701 Broadway Fl 5

11.98 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3701 Broadway Fl 5
Oakland, CA 94611

3300 Webster St, Ste 1110

12.24 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3300 Webster St, Ste 1110
Oakland, CA 94609

350 Hawthorne Ave

12.31 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
350 Hawthorne Ave
Oakland, CA 94609

538 Stone Rd Ste G

12.40 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
538 Stone Rd Ste G
Benicia, CA 94510

1901 Railroad Ave Ste B

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

1251 California Ave Ste 600

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

2505 Bataan St Ste O

12.87 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2505 Bataan St Ste O
Oakland, CA 94607

2850 7th St Ste 100

12.90 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2850 7th St Ste 100
Berkeley, CA 94710

1700 Broadway Ste 310

13.12 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1700 Broadway Ste 310
Oakland, CA 94612

6001 Shellmound St Ste 850

13.30 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6001 Shellmound St Ste 850
Emeryville, CA 94608

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

We have 36 DOT drug testing locations to serve you in and around Walnut, CA.

Accredited Drug Testing offers comprehensive DOT testing services in Walnut, CA, encompassing facilities for drug and alcohol tests, DOT physicals, and essential compliance reports like MIS and MVR. Available to employers, single operators, and various DOT modes such as FMCSA and FAA, our centers ensure compliance with 49 CFR Part 40. Our conveniently located centers provide services within minutes, often offering same-day availability.

Choose a DOT service or a required drug/alcohol test and pick a location nearby—testing is streamlined for individuals or employees. Our user-friendly process makes scheduling DOT drug tests around Walnut an easy task.

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.

Walnut, California DOT Services

DOT Drug Testing & Services Available in Walnut, CA:

In Walnut, CA, Accredited Drug Testing provides essential DOT services, including drug and alcohol screenings, to ensure strict adherence to federal guidelines for safety and compliance.

DOT Services in Walnut, CA

DOT regulations mandate strict drug and alcohol screening to ensure safety and compliance. In Walnut, California, Accredited Drug Testing helps companies adhere to these standards.

Our services include comprehensive testing, clear reporting, and guidance through the maze of legal requirements, tailored to companies' needs in Walnut, CA.

We ensure that businesses in Walnut, California remain compliant with DOT standards, safeguarding their workforce against potential risks.

Through our efficient and detailed testing solutions, employers in Walnut, California can maintain a safe and compliant working environment.

FMCSA Information

In Walnut, CA, FMCSA rules dictate drug and alcohol testing protocols to manage safety on public roads, ensuring commercial drivers adhere to legal standards.

The FMCSA testing in Walnut, California is critical for maintaining a safe commercial driving environment, focusing on compliance and prevention.

USCG Information

USCG regulations in Walnut, CA enforce strict substance testing for maritime workers, enhancing safety and legal compliance across waters.

In Walnut, California, USCG testing maintains maritime safety by ensuring compliance with drug and alcohol policies.

FAA Information

FAA mandates in Walnut, CA dictate stringent testing for aviation personnel, ensuring safety and compliance for air travel is paramount.

Walnut, California's FAA rules emphasize rigorous testing to maintain high safety standards in aviation operations and personnel conduct.

FRA Information

FRA regulations in Walnut, CA require routine drug testing for railroad employees to uphold safety standards and compliance within rail transport.

The FRA testing process in Walnut, California ensures adherence to safety protocols, minimizing risks related to substance misuse.

FTA Information

FTA standards in Walnut, CA focus heavily on drug testing, reinforcing safety and compliance within public transit systems, safeguarding passengers.

Walnut, California's FTA regulations are designed to ensure public transit workers comply with drug and alcohol testing for safety.

PHMSA Information

PHMSA testing rules in Walnut, CA enforce substance screening for pipeline workers, prioritizing safety and compliance to protect both environment and public.

In Walnut, California, PHMSA regulations demand strict adherence to testing and screening, safeguarding against pipeline-related hazards.

Scheduling in Walnut, CA

To initiate a DOT drug or alcohol test in Walnut, CA, contact us at (800) 221-4291 or schedule online using our express registration. Register before arriving at the testing center.

Provide a zip code to locate the nearest appropriate testing center in Walnut, CA. You'll receive a donor pass and local center details via email. Keep this form ready, either printed or on your smartphone. Though appointments are rarely needed, complete the donor information and payment during registration.

Our tests are conducted in SAMHSA-certified labs, with results reviewed by our licensed Medical Review Officers (MRO).

Besides Walnut, CA, we host additional centers throughout nearby regions, ensuring broad coverage for DOT testing.

Accredited Drug Testing operates nationwide testing facilities, ensuring you can schedule anywhere and anytime, whether traveling or at home.

California Dept. of Transportation Updates

DUI Statistics in Walnut, CA

The city of Walnut, located in Los Angeles County, CA, sees its share of DUI-related incidents, emblematic of broader trends across California (CA). Despite being a small community, Walnut, CA, experiences DUI statistics that mirror the state's ongoing challenges with impaired driving. LOS ANGELES COUNTY, CA, where Walnut resides, reports fluctuating DUI arrest rates. LAW ENFORCEMENT agencies in CA prioritize DUI checkpoints and awareness campaigns to reduce these incidents. However, the sunny climate and sprawling urban spread of CA still contribute to the frequency of DUI offenses. Consequential measures, including enhanced penalties and education programs, have been implemented in Walnut, CA, to combat this issue further. The state's commitment to reducing DUI-related incidents involves ongoing policy adjustments.

Drug Involved Accidents in Walnut, CA

Drug-involved vehicle accidents in Walnut, CA, represent a critical aspect of transportation safety within LOS ANGELES COUNTY, CA. While CA as a whole faces challenges with drug-related road safety, areas like Walnut, CA, are not immune. Transportation and safety agencies in CA have documented various incidents where drug impairment played a significant role. The statistics from Walnut, CA, highlight the dangers posed by illicit drug use among drivers, with reports indicating a noticeable portion of accidents being drug-related. CA has responded by employing drug recognition experts and public education initiatives to address this alarming issue. Despite these efforts, the fight against drug-involved accidents in Los Angeles County, CA, including Walnut, persists, requiring continued vigilance and strategic intervention.

Marijuana Related Accidents in Walnut, CA

Since the legalization of marijuana in CA, cities like Walnut have seen a noticeable impact on vehicular accident statistics. Walnut, CA, mirrors some of LOS ANGELES COUNTY's (CA) broader trends in marijuana-related crashes. Relative to other substances, marijuana presents unique challenges in detection and regulation. Walnut's local authorities, along with CA's transportation safety departments, are diligently working to track and manage these incidents. Education campaigns tailored to informing drivers in CA about the risks associated with marijuana use continue to play a crucial role. As public policy surrounding marijuana in CA evolves, cities like Walnut must continuously adapt their approaches to ensure roads remain safe for all. The state of CA remains vigilant, deploying resources and strategies to mitigate the rising concerns.

Walnut Drug Testing

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

Walnut DOT Drug Testing

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

Walnut DNA Testing

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

Walnut Industry Training

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

Walnut Hair Drug Testing

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

Walnut Alcohol Testing

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

Walnut Drug Testing Services

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

Walnut 5 Panel Drug Test

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

Walnut 10 Panel Drug Test

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

Walnut On Site Drug Testing

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

Walnut DOT Physicals

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