Mobile services, DOT drug testing, DOT physical exam, mobile legal DNA testing in San Dimas, LA county, Riverside, San Bernadino and Orange
On-Site Drug Screening & Compliance Solutions in Southern California
Our Solutions for Employers and Individuals
From workplace compliance to personal health and legal testing, we deliver dependable solutions tailored to your needs. With convenient mobile services, walk-in availability, rapid turnaround times, and certified professionals, we make testing easy, efficient, and trustworthy. Count on us for responsive service and the highest standards of professionalism every step of the way.
Trusted Professionals. Innovative Solutions. Exceptional Service.
At ONE Mobile Drug Testing, powered by Green Spring Diagnostics, we are committed to delivering professional, convenient, and compliant testing solutions for employers, healthcare providers, legal professionals, and individuals throughout Southern California.
Our leadership team brings more than 30 years of combined experience in DOT and Non-DOT drug testing, Breath Alcohol Testing (BAT), occupational health services, and regulatory compliance. Our certified professionals are extensively trained in specimen collection, DOT chain of custody procedures, breath alcohol testing, and identity verification, ensuring every collection is performed with the highest level of accuracy, integrity, and professionalism.
We combine experienced personnel with innovative technologies to provide fast, reliable, and confidential testing services. Through our partnership with AABB-accredited laboratories, we offer legally defensible DNA testing for family law, immigration, and peace-of-mind testing, while our occupational health services help employers maintain safe, compliant, and productive workplaces.
Whether you need mobile on-site testing or convenient in-clinic appointments, our mission is simple: deliver trusted results with exceptional service—every client, every collection, every time.
Certified DOT Physical Exams
Get Your Medical Card Fast.
Certified DOT Physical Exam
Stop Waiting at Urgent Care
Trusted Identity Verification for Employment, Licensing & Background Checks
Fingerprinting and I-9 form
Fast • Secure • Certified
Professional DNA Testing for Life's Most Important Questions
Court-Admissible Professional Legal DNA Testing
Court-Admissible • Peace of Mind • Personalized Health Insights
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