✓ Same-Day Walk-Ins Welcome ✓ Digital Donor Pass in Minutes ✓ No Doctor Order Required ✓ SAMHSA-Certified Labs

Drug Testing Locations in Greenwich, CT

With 35 testing centers in the Greenwich 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.

Urine (5, 10, 12, 14-Panel) Hair Follicle (90-Day) DOT Drug & Alcohol Court & Probation Oral Fluid / Saliva EtG Alcohol
🕑 Collection Site Hours: Monday – Friday: 8:00 AM – 4:00 PM • ✓ Walk-in with Electronic Donor Pass • Saturday – Sunday: Closed

35 Drug-Testing Centers in Greenwich

Same-Day Electronic Donor Pass Accepted at All Locations Below

Minutes Away, Test Today

6 Rye Ridge Plaza,

3.26 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6 Rye Ridge Plaza,
Rye Brook, NY 10573

15 Commerce Rd Fl 3

3.81 mi
🕑 Testing Hours: T-F 8:00 AM-6:00 PM • Sat: 9:00 AM-2:00 PM✓ Walk-in with Electronic Donor Pass
15 Commerce Rd Fl 3
Stamford, CT 6902

80 Mill River Street,

4.72 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
80 Mill River Street,
Stamford, CT 6902

1290 Summer St Unit 5100

5.12 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1290 Summer St Unit 5100
Stamford, CT 6902

3000 Summer St

5.15 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-8:00 PM • Sat:,Sun: 8:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
3000 Summer St
Stamford, CT 6905

500 Mamaroneck Ave Suite 320

6.83 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
500 Mamaroneck Ave Suite 320
Harrison, NY 10528

500 Mamaroneck Ave Ste 320

6.96 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
500 Mamaroneck Ave Ste 320
Harrison, NY 10528

15 N Broadway Ste D

7.07 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
15 N Broadway Ste D
White Plains, NY 10601

359 N Central Ave

8.42 mi
🕑 Testing Hours: M-W,F 8:00 AM-8:00 PM • Th 7:00 AM-8:00 PM • Sat:,Sun: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
359 N Central Ave
Hartsdale, NY 10530

280 N Central Ave Ste 115

8.48 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
280 N Central Ave Ste 115
Hartsdale, NY 10530

100 Woods Rd Ste Cg12 Cedarwood Hall

9.02 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
100 Woods Rd Ste Cg12 Cedarwood Hall
Valhalla, NY 10595

297 Knollwood Rd, Ste 310

9.27 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
297 Knollwood Rd, Ste 310
White Plains, NY 10607

557 Post Rd,

9.41 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
557 Post Rd,
Darien, CT 6820

484 Post Rd

9.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
484 Post Rd
Darien, CT 6820

280 Dobbs Ferry Rd, Sprain Brook Medical Center

9.78 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-12:00 PM & 12:30 PM-2:00 PM✓ Walk-in with Electronic Donor Pass
280 Dobbs Ferry Rd, Sprain Brook Medical Center
White Plains, NY 10607

160 N Central Ave

10.04 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
160 N Central Ave
Elmsford, NY 10523

174 Marble Ave, Ste 1

10.83 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
174 Marble Ave, Ste 1
Pleasantville, NY 10570

660 White Plains Rd Ste 630

11.17 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
660 White Plains Rd Ste 630
Tarrytown, NY 10591

110 Lockwood Ave

11.47 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
110 Lockwood Ave
New Rochelle, NY 10801

150 Lockwood Ave, Ste 38

11.55 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-3:30 PM✓ Walk-in with Electronic Donor Pass
150 Lockwood Ave, Ste 38
New Rochelle, NY 10801

155 White Plains Rd

11.97 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
155 White Plains Rd
Tarrytown, NY 10591

200 South Broadway, Suite 102

12.48 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
200 South Broadway, Suite 102
Tarrytown, NY 10591

495 E Main St

12.68 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
495 E Main St
Mount Kisco, NY 10549

83 South Bedford Road, Floor 3

12.73 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
83 South Bedford Road, Floor 3
Mt. Kisco, NY 10549

103 S Bedford Rd Ste 202

12.80 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
103 S Bedford Rd Ste 202
Mount Kisco, NY 10549

346 Main Ave Ste B

13.16 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
346 Main Ave Ste B
Norwalk, CT 6851

346 Main Ave

13.16 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
346 Main Ave
Norwalk, CT 6851

12 N 7th Ave

13.55 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
12 N 7th Ave
Mount Vernon, NY 10550

105 Stevens Ave, Ste 205

13.59 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-2:30 PM • Sat: 10:00 AM-11:30 AM✓ Walk-in with Electronic Donor Pass
105 Stevens Ave, Ste 205
Mount Vernon, NY 10550

22 Beech Hill Ln Po Box 1000

13.79 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
22 Beech Hill Ln Po Box 1000
Pound Ridge, NY 10576

1034 N Broadway

13.86 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1034 N Broadway
Yonkers, NY 10701

970 N Broadway, Ste 205

13.93 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-2:00 PM✓ Walk-in with Electronic Donor Pass
970 N Broadway, Ste 205
Yonkers, NY 10701

607 Main Ave

14.15 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
607 Main Ave
Norwalk, CT 6851

87 Cold Spring Rd Ste 1

15.37 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
87 Cold Spring Rd Ste 1
Syosset, NY 11791

175 E Main Street Suite 105,

15.60 mi
🕑 Testing Hours: Mon–Fri: 7:30 AM-2:00 PM✓ Walk-in with Electronic Donor Pass
175 E Main Street Suite 105,
Huntington, NY 11743

Employment, DOT, Court Ordered, Probation, Family

In the Greenwich, Connecticut area, Accredited Drug Testing ensures extensive options for drug and alcohol evaluations across 35 local testing sites. Catering to DOT and non-DOT urine analyses, breath and EtG alcohol tests, plus hair drug screenings, we serve individuals, businesses, and legal requirements. Our services in Greenwich, CT, encompass quick result assessments and SAMSA-accredited lab analyses, with immediate service availability. Most testing facilities are conveniently situated near your residence or workplace. We also provide Occupational Health Testing, Clinical Assessments, and Background Examinations.

To arrange a test, dial (800) 221-4291 or register via our website. Select your desired test type and choose the closest center—suitable for personal, employee, or external testing needs. Scheduling is swift and straightforward; contact our support team or book online any time, day or night. Our efficient, easy-to-navigate process allows for seamless organization of drug tests near Greenwich.

* You must register by phone or online to receive your donor pass/registration prior to proceeding to the testing center. You must bring a valid government issued ID along with the registration/barcode number which was sent to you by email.

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.

How the Drug Testing Process Works in Greenwich, CT

1

Order Online or Call

Select your test & search nearby Greenwich collection sites.

2

Get Donor Pass

Receive your donor pass by email or SMS immediately.

3

Visit Collection Center

Walk in with donor pass & photo ID. No appointment needed.

4

Fast Results

Secure results delivered confidentially in 24-48 hours.

Greenwich, CT Drug Testing

Drug Testing Services Available at Our Greenwich, CT Labs:

At our Greenwich drug testing collection sites, Accredited Drug Testing provides one of the widest selections of drug and alcohol testing services available. Whether you're an employer, attorney, court, or private individual, we offer both DOT and non-DOT testing options—ranging from rapid tests to comprehensive lab-based screenings—capable of detecting nearly any substance.

Mobile/On-Site Drug Testing

If you're an employer needing to test 25 or more employees and looking to save time and money, we offer mobile on-site drug testing where we come to you. Call us today for more information.

Official Legal & Regulatory Framework

Connecticut Drug Testing Laws & Compliance in Greenwich

SAMHSA Certified • MRO Verified

Accredited Drug Testing provides employer and individual screening in Greenwich, CT adhering strictly to Conn. Gen. Stat. § 31-51t et seq., federal DOT 49 CFR Part 40 guidelines, and certified SAMHSA laboratory chain-of-custody standards.

Statutory Citation
Conn. Gen. Stat. § 31-51t et seq.
Medical Marijuana
Legal
Recreational Cannabis
Legal
Workplace Rights
Zero-Tolerance Protected

Connecticut regulates employee testing under § 31-51t, permitting pre-employment screening, reasonable suspicion, post-accident, and safety-sensitive random testing.

Under Conn. Gen. Stat. § 31-51t et seq., employers in Greenwich may institute comprehensive drug-free workplace programs including:

  • Pre-Employment Screening: Conditional job offer testing for all applicants.
  • Reasonable Suspicion Testing: Objective, documented behavioral signs of impairment.
  • Post-Accident Testing: Mandatory screening following workplace injuries or property damage.
  • Random Testing: Unannounced selection for safety-sensitive roles and machinery operators.
  • Workers' Comp Incentives: Verified testing programs provide premium discounts on state workers' compensation insurance policies.

While cannabis statutes continue evolving across the United States (Medical: Legal; Recreational: Legal in Connecticut), employers retain the legal prerogative to prohibit substance impairment on job premises, during operational shifts, and while operating company vehicles.

Federal regulations, Department of Transportation (DOT) mandates, and safety-sensitive positions strictly prohibit marijuana use regardless of state cannabis status. ADT provides both standard THC screening and non-THC customized drug panels for private employers wishing to adapt to state-specific hiring preferences.

For commercial drivers, maritime operators, aviation crews, and transit personnel operating in Greenwich, all testing follows rigorous Department of Transportation (DOT) standards governed by 49 CFR Part 40:

  • Federal 5-Panel Regulated Urine Screen: Tested for Marijuana, Cocaine, Amphetamines/Methamphetamines, Opioids (Codeine, Morphine, Heroin, Hydrocodone, Hydromorphone, Oxycodone, Oxymorphone), and PCP.
  • SAMHSA Accredited Laboratories: Zero compromise on testing accuracy with gas chromatography/mass spectrometry (GC/MS) confirmation.
  • Medical Review Officer (MRO): Every non-negative specimen is reviewed by a licensed physician MRO before reporting.
  • FMCSA Clearinghouse Reporting: Real-time reporting of verified positive tests and refusals to test into the federal driver clearinghouse database.

Accredited Drug Testing provides legally admissible drug and alcohol screening for county court dockets, child custody hearings, probation requirements, and pretrial diversion programs throughout Greenwich and Connecticut.

All specimens undergo observed or witnessed collection procedures when ordered by the court, accompanied by rigorous Federal Chain of Custody Forms (CCF). Turnaround time is rapid, and official certificates of analysis can be forwarded directly to your attorney, court case officer, or probation supervisor upon release.

Hyper-Local Proximity Coverage

Neighborhoods & Service Districts in Greenwich, CT

Minutes Away, Same-Day Donor Pass

Accredited Drug Testing operates collection centers strategically positioned throughout Greenwich to ensure fast donor access with minimal drive times. Walk-ins are welcomed with an immediate electronic donor pass across all major neighborhoods and transit corridors:

Key Greenwich Neighborhoods Covered:

● Downtown Greenwich ● Central Business District ● North Greenwich Commercial Corridor ● South Greenwich Industrial Park ● East Greenwich Metro Area ● West Greenwich Trade Center ● Medical & Healthcare District ● Airport / Logistics Corridor

Major Employment & Commercial Hubs Served:

Greenwich Main Street Commercial District • Greenwich Regional Trade Center • County Industrial Parkway • Metro Healthcare & Occupational Medical Corridor

Located anywhere in Greenwich? Receive your electronic pass in under 5 minutes.
Order Test Online →

Surrounding Areas Served Near Greenwich

Cos Cob • Pemberwick • Glenville • Byram • Riverside • Old Greenwich • Stamford • Darien

Greenwich, CT Drug & Alcohol Test Panels & Detection Windows

Select a test panel below to review specific drug compounds screened, detection timeframes, and instant electronic pass registration in Greenwich.

Test Type & Local Panel Detection Window Common Use Cases in Greenwich Turnaround Time
5-Panel Urine Screen in Greenwich →
THC, Cocaine, Basic Opiates, Amphetamines, PCP
1 to 5 Days Pre-Employment, Workplace Safety & Non-DOT Randoms 24 to 48 Hours
10-Panel Urine Screen in Greenwich →
Adds Benzodiazepines, Barbiturates, Methadone, Propoxyphene
1 to 7 Days Healthcare Staffing, Corporate Policies & Court Orders 24 to 48 Hours
Hair Follicle Drug Test in Greenwich →
Long-term historical pattern analysis (90-day window)
Up to 90 Days Child Custody, Legal Defense & Executive Screening 3 to 5 Business Days
DOT Drug & Alcohol Test in Greenwich →
49 CFR Part 40 compliant with CCF & MRO verification
1 to 5 Days FMCSA, FAA, FRA, FTA, USCG Regulated Drivers & Crew 24 to 48 Hours
ETG & Breath Alcohol in Greenwich →
Evidential breath testing or 80-hour urine EtG metabolite
Breath: 0–12 Hrs
EtG: Up to 80 Hrs
Zero-Tolerance Workplace, Post-Accident & Probation Immediate to 48 Hours
DOT Physical Exam in Greenwich →
FMCSA NRCME certified medical examiner card (Form MCSA-5876)
1 to 2 Year Card Commercial Driver License (CDL) Medical Certification Same-Day Medical Card
Full-Service Testing Solutions

Occupational Health & Specialized Screening in Greenwich, CT

Beyond standard urine screening, Accredited Drug Testing delivers end-to-end occupational medical solutions, DOT credentialing, court-admissible forensic testing, and employer background compliance.

NRCME Certified

DOT Physicals & Medical Cards

FMCSA-compliant examinations conducted by certified medical examiners. Instant driver medical certificate renewal across Greenwich.

AABB Accredited

Court Legal DNA & Paternity

100% court-admissible legal paternity, maternity, sibling, and grandparentage testing with strict chain of custody for family court.

FCRA Compliant

Background Checks & MVR

Comprehensive pre-employment screening, nationwide criminal history searches, and Motor Vehicle Records (MVR) for driver compliance.

Long Detection Window

90-Day Hair Follicle Drug Test

Tamper-resistant 90-day historical substance screening. Preferred by family courts, custody attorneys, and zero-tolerance employers.

Instant & Lab Confirmed

Breath Alcohol & 80-Hr EtG

Evidential breath alcohol testing (BAT) and 80-hour EtG urine/hair metabolite analysis for probation monitoring and workplace safety.

We Come to You

Mobile On-Site Group Testing

Certified mobile collection technicians dispatched directly to your Greenwich facility or job site for groups of 25+ employees.

Local Testing Resource Network

More Drug & Alcohol Testing Options in Greenwich, CT

Need immediate walk-in service in Greenwich? View our Walk-In Drug Testing Near Me in Greenwich, CT facility guide or order an instant electronic donor pass online.

Greenwich Drug Testing

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

Greenwich DOT Drug Testing

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

Greenwich DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Greenwich, CT.

Greenwich Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Greenwich, CT.v

Greenwich Hair Drug Testing

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

Greenwich Alcohol Testing

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

Greenwich Drug Testing Services

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

Greenwich 5 Panel Drug Test

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

Greenwich 10 Panel Drug Test

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

Greenwich On Site Drug Testing

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

Greenwich DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Greenwich, CT 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 Connecticut, workplace drug testing is governed by statutory guidelines under Conn. Gen. Stat. § 31-51t et seq.. Private employers generally operate under a mandatory testing regulations under § 31-51t, permitting pre-employment, random, post-accident, and reasonable suspicion testing.
Yes. Employers in Connecticut who implement a certified Drug-Free Workplace Program in compliance with Conn. Gen. Stat. § 31-51t et seq. can qualify for insurance premium discounts and enhanced legal protections during workers' compensation claims.
Under Connecticut state law compliance standards, state statutes prohibits employment discrimination against medical cardholders. Safety-sensitive positions, DOT-regulated roles, and federal contract compliance remain strictly zero-tolerance across all jurisdictions.
Accredited Drug Testing provides access to 35 certified collection sites in the Greenwich area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Greenwich, 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

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

Reception is kind and helpful

Reception is kind and helpful , everything quick and simple , best urgent care

Yusuf Narmuradov - 11/19/2024

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


(800) 221-4291