Fresno’s Trusted Corporate & Private Drug Testing Center.
Led by Certified Administrators with more than 50 years experience delivering unassailable chain-of-custody drug testing for Corporate pre-employment, legal mandates, and personal health requirements with rapid Central Valley turnaround.
Xpress Drug Testing Dispatch
Fresno Drug Testing Center • Suite 103
SAMHSA-Certified Compliance
Strict Chain of Custody
The Fastest Drug Testing
Immediate On-Site Verification
Tests Completed, Zero Litigation
All Valley Drug Testing Since 1991
Verified Client Rating
Discreet, Professional, Courteous
Our fully integrated lab partners
Every specimen we collect is processed through SAMHSA-certified national laboratories, giving Central Valley employers and private clients results that hold up to scrutiny.
50+ Years of Combined Experience
The original drug testing company in Fresno, serving Central California since 1991.
100% Audit Proof
Court-admissible custody documentation
Uncompromising Integrity in Every Test, Every Sample, Every Result.
Since 1991, Fresno Drug Testing (CCS) has been the Central Valley’s trusted partner in drug and alcohol testing, completing over 800,000 tests without litigation. With more hands-on experience in substance testing and behavioral monitoring than any other provider in the region, we are proud to deliver the highest level of service to our clients.
At Fresno Drug Testing, we recognize that toxicology screening is never just a routine checkbox. Whether it determines workplace safety for heavy fleet transit, employment eligibility for a life-changing career, or vital proof for family court custody proceedings, accuracy and confidentiality are paramount.
Under the direct leadership of our Certified Administrators, our dedicated facility on East Warner Avenue operates with strict adherence to Federal DOT 49 CFR Part 40 guidelines and SAMHSA-certified laboratory protocols. We eliminate the stress, excessive waiting rooms, and cold impersonal treatment typical of massive corporate hospitals.
Total Privacy & Discretion
Private collection suites designed to safeguard personal dignity and prevent sample adulteration without intimidation.
Rapid Turnaround & Portal Reporting
Instant qualitative rapid screening results delivered in 15 minutes, with full GC/MS laboratory confirmation in 24–48 hours.
Central Valley Employer Programs
Custom account setups for Fresno agricultural, manufacturing, logistics, and healthcare employers managing random screening pools.
Certified Testing Solutions for Employers, Courts & Individuals
From corporate pre-employment and random screening programs to private, personal, and court-ordered panels, our Fresno drug testing center handles every specimen with ironclad chain of custody.
Corporate & Employer
Consortium & TPAEnd-to-end drug-free workplace policy support for Fresno businesses. We establish custom panels, coordinate computerized random employee selections, and deliver unified monthly billing.
- Customized Employer Panels (e.g., No-THC)
- Automated Random Roster Management
- Direct HR Electronic Results Dispatch
Rapid 5 to 12 Panel
15-Min ResultsInstant on-site point-of-care immunoassays for immediate pre-hire decisions or private, personal verification. Detects THC, Cocaine, Opiates, Amphetamines, PCP, Benzodiazepines, Barbiturates, and Methadone.
- Instant Qualitative Negatives in 15 Min
- Lab Confirmation for Non-Negatives
- Private & Personal Testing Welcome
- Adulteration & Temperature Verification
Hair Follicle Testing
90-Day WindowThe gold standard for identifying long-term patterns of substance use. Hair strand analysis cannot be cheated with quick cleanses or dilution, making it ideal for safety-sensitive jobs and court mandates.
- Extended 90-Day Substance History
- Cannot be Adulterated or Flushed
- Multi-Panel Extended Synthetic Options
Legal & Court Mandates
Fresno Superior CourtLegally admissible documentation prepared with strict custody validation for child custody, divorce hearings, probation stipulations, DUI diversion programs, and CPS evaluations across Fresno County.
- Direct Attorney & Case Worker Reporting
- Observed Collections When Required
- EtG Alcohol & Specialized Narcotics
Breath Alcohol Testing
NHTSA ApprovedConducted by certified Breath Alcohol Technicians (BAT) using calibrated, NHTSA-approved evidential breath testing devices for immediate quantitative blood alcohol concentration (BAC) measurements.
- Immediate Printed Evidential Results
- Mandatory 15-Min Confirmation Protocol
- Reasonable Suspicion & Post-Incident
DOT Drug & Alcohol
FMCSA / FAAFully compliant with 49 CFR Part 40 standards for truck drivers, aviation, transit, and maritime operators. Includes DOT 5-panel urine testing, electronic CCF, and certified Medical Review Officer oversight.
- Pre-Employment & Post-Accident
- Random Selection Consortium Management
- DOT Return-to-Duty & Follow-Up
A Drug Testing Center Built for Speed, Privacy & Accuracy
Explore the sanitized, tamper-monitored specimen collection suites and certified drug testing workflows inside our North Fresno facility at 1095 E Warner Ave.
GC/MS Confirmatory Testing
Gas chromatography for legally conclusive specificity.
Private Intake & Registration
Zero-wait check-in with exact custody documentation.
Tamper-Evident Seals
Strict temperature logging and barcoded transfer.
Instant 5–12 Panel Cups
On-site negatives verified in about 15 minutes.
Trusted Drug Testing for Valley Employers, Attorneys & Families
Read verified feedback from corporate HR directors, legal counsel, and private clients who rely on Fresno Drug Testing.
“Managing a commercial fleet of 45 trucks out of Fresno requires 100% dependable DOT random testing and pre-employment turnarounds. The team here has been our lifeline. Our drivers get in and out in under twenty minutes with zero drama or delays. Invaluable partner for our safety compliance.”
Robert Castaneda
Fleet Logistics Director • Fresno, CA
“I needed a court-mandated 10-panel screen and a hair follicle test on short notice for a custody case in Fresno County Superior Court. The staff was incredibly respectful, discreet, and non-judgmental. The chain of custody documents were immaculate and accepted by the court without question.”
Melissa Sandoval
Family Court Client • Clovis / Fresno
“We use Fresno Drug Testing for all seasonal agriculture supervisors and warehouse equipment operators. Their 15-minute rapid screens speed up our onboarding process by days compared to the corporate clinic networks in town. Their direct communication is exceptional.”
David Koehler
Operations VP, Ag Packaging • Central Valley
Why Fresno Businesses & Private Clients Prefer Our Drug Testing Center
We solve the common frustrations of crowded urgent cares: long wait times, sample contamination risks, and clerical errors that void certifications.
Zero-Wait Priority
Unlike generic urgent care centers where donors sit behind sick patients for hours, our facility is 100% dedicated to occupational and forensic testing. Average donor turnaround is under 15 minutes.
SAMHSA Certified Labs
All non-negative immunoassay screens undergo rigorous Gas Chromatography/Mass Spectrometry (GC/MS) confirmation at premier national laboratories with full Medical Review Officer (MRO) verification.
Legally Unassailable
Every chain of custody form is audited for 100% regulatory compliance. Our records have stood unchallenged across Fresno County judicial courts, Cal/OSHA hearings, and federal transportation audits.
Direct Access to Decision-Makers
You work directly with our Certified Administrators. No call centers, no bureaucratic runaround. If an employer needs an emergency post-accident test or custom panel setup, you speak with decision-makers immediately.
Need a Test Today or Setting Up an Employer Account?
Call our North Fresno drug testing center now for immediate assistance or walk in during business hours at Suite 103 on Warner Ave.
Visit Our Fresno Drug Testing Center
Conveniently situated in North Fresno with ample private parking, ADA accessibility, and expedited donor intake.
Fresno Drug Testing
The Original Drug Testing Company in Fresno — Since 1991
Facility Address
1095 E Warner Ave. Suite 103Fresno, CA 93710
Near Freeway 41 @ Herndon Ave & First Street
Laboratory Collection Hours