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Fastest Labs West San Antonio
The Reliable Results You Need, When You Need Them Drug, Alcohol, and DNA Testing
Fastest Labs West San Antonio
Fastest Labs West San Antonio
6420 NW Loop 410 Ste 102, San Antonio, TX 78238
(210) 361-5762
  • Today's Hours: Closed (By Appointment)
  • Fastest Labs West San Antonio
    • Monday
      9:00 AM - 5:00 PM
    • Tuesday
      9:00 AM - 5:00 PM
    • Wednesday
      9:00 AM - 5:00 PM
    • Thursday
      9:00 AM - 5:00 PM
    • Friday
      9:00 AM - 5:00 PM
    • Saturday
      Closed (By Appointment)
    • Sunday
    Walk-ins Welcome!
    After hours and post-accident
    24/7 service available.
Walk-ins Welcome!
After hours and post-accident
24/7 service available.

West San Antonio TESTING LAB

Top-Quality Testing Services

For more than a decade, we have provided fast, reliable drug, alcohol, and DNA testing services in Texas and throughout the surrounding areas. At Fastest Labs®, we're committed to a high level of customer service. We are proud to operate some of the cleanest, friendliest, and most affordable testing labs in West San Antonio. Whether you need to verify parenthood with a paternity or maternity test, wish to instate random drug testing for your employees, or need to undergo athletic testing before a sporting event, you can rely on Fastest Labs West San Antonio.

At Fastest Labs West San Antonio, we provide comprehensive testing services for:

  • Individuals
  • Parents
  • Employers
  • Businesses
  • Coaches
  • Schools
  • Volunteers
  • Other organizations

We offer a number of different testing methods to meet your specific needs, including paternity tests, random drug testing, post-accident breathalyzer tests, immigration DNA testing, personal genealogy, breath alcohol tests, urinalysis, saliva tests, hair tests, and more. Our certified collectors can help you obtain a clear picture of both short-term and long-term drug and alcohol use, as well as a comprehensive look at a person's unique DNA profile. Whether you need personal, one-time testing or are looking for ongoing testing services for a large group, we are happy to work with you to find the perfect solution.

What sets our testing lab apart?

  • Multiple testing methods
  • Short waiting times
  • Certified Collectors
  • Mobile, on-site testing
  • Superior customer service
  • Short waiting times
  • Complete accuracy
  • Clean, comfortable Facilities
  • Affordable pricing

Visit our video center to see our technology and tour our labs

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Call (210) 361-5762 today to learn more about our testing services in San Antonio. You can also request an appointment online with us!
Check Out Our Special Offers
  • Special Offer
    $5 Off Breath Alcohol *New clients and personal testing only. Not valid with any other offer. Must print coupon to redeem.
  • Special Offer
    $5 Off Hair Test *New clients and personal testing only. Not valid with any other offer. Must print coupon to redeem.

Your Simple Testing Solution

  • 1
    Request Your Appointment
  • 2
    Visit Your Nearest Fastest Labs
  • 3
    Quickly Receive Your Test Results

West San Antonio DNA & Drug Testing

Fast, Reliable, Affordable

We can even provide specialty testing services immigrants seeking a United States visa, adoptees who want to learn more about their birth families, parents of twins wishing to determine twin zygosity, military members who must meet strict random drug testing regulations, and legal professionals seeking court-admissible drug, alcohol, or DNA testing in West San Antonio. No matter your reason for seeking out our testing services, we'll provide you with the clean, friendly, and fast testing you need.

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Request an appointment online or call (210) 361-5762 today!
We look forward to assisting you.
Why Us?

Hear From Our Customers

  • “Clean facilities, professional employees, and great customer service. Would definitely recommend!”
    - Aaron J.
  • “Super fast and really clean. The staff was very friendly and helpful.”
    - Kay M.
  • “Great experience. Friendly people and extremely fast. Great pricing.”
    - Frank H.
Our Partners
  • Lab Corp
  • DISA
  • Alere
  • Medtox Laboratories
  • Clinical Reference Laboratory
  • Psychemedics
  • Quest Diagnostics
  • Omega Labs
  • ExperTox
Request An Appointment

Walk-ins and same day appointments are welcome!
Please call to inquire about weekend and after-hour appointments.

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9:00 AM - 5:00 PM