Business Hours
M-Su Closed
Services
Drug Testing, DNA Testing, DOT Testing, Alcohol Testing
Year Established
2025
Listed In: Medical Laboratories Place
When you need DNA, drug, alcohol, or DOT testing, rely on Fastest Labs® for professional lab testing services in Irwindale, CA. With 10 years of industry experience, we have built a superior reputation for fast, accurate testing and outstanding customer service. We're proud to have some of the… When you need DNA, drug, alcohol, or DOT testing, rely on Fastest Labs® for professional lab testing services in Irwindale, CA. With 10 years of industry experience, we have built a superior reputation for fast, accurate testing and outstanding customer service. We're proud to have some of the cleanest facilities around, and our certified collectors work hard to ensure your comfort and privacy throughout the testing process. We prioritize convenience with walk-in testing availability and on-site testing for businesses. Contact us today for your testing needs. Read more
By Ujin Pyo on August 3, 2026 Verified by Google
The service was fast and efficient from start to finish. The facility was clean, well-maintained, and organized, which made the entire experience comfortable. The staff were very accommodating, friendly, and professional. They took the time to answer my questions, explained everything clearly, and made sure I was well taken care of throughout my visit. I truly appreciated their excellent customer service and would highly recommend this place to anyone looking for quality and efficient care.
By juliana w on July 27, 2026 Verified by Google
i had a really great experience here! i was having a hard time with my test and ray was super helpful and patient with me throughout the whole process. he made sure i was comfortable and even gave me plenty of water. i really appreciate how kind and helpful he was, definitely recommend coming here!
By Johnny Han on June 23, 2026 Verified by Google
Mr. Ray over at Fastest Labs of Azusa were beyond helpful & the level of professionalism was TOP NOTCH! Way better than other companies that provide this service to the point we will be sending our pre-employment applicants to Ray. Highly recommend if you want fast service with great customer service.
By Elizabeth Agraz on June 4, 2026 Verified by Google
I had a great experience at Fastest Labs of Azusa. The office was clean, welcoming, and I was in and out quickly. Ray was very friendly and explained the entire process clearly, making everything easy and stress-free. Excellent customer service and a smooth experience overall. Highly recommend!
By N Gil on April 28, 2026 Verified by Google
Fastest Labs is great! The service was quick and professional. Ray was nice and friendly, and I didn’t have to wait long. Everything was easy and efficient. I would definitely come back and recommend them.
Thank you again!
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