What are the opening hours?

Monday 8am - 6pm Tuesday 8am - 6pm Wednesday 8am - 6pm Thursday 8am - 6pm Friday 8am - 5pm

Fastest Labs

Rapid, reliable results backed by technology. When you need drug, alcohol, or DNA testing, rely on Fastest Labs® for comprehensive personal testing services.

With more than 10 years of experience in the industry, 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 customer comfort throughout the entire testing process.

09/19/2025

Policy review season is here! Fastest Labs helps HR teams update or create drug and alcohol testing policies that meet compliance.

Consult with us today: fastestlabs.com/nw-houston

09/16/2025

Save time with on-site employee testing. Whether it’s pre-employment or random screening, we come to you.

Learn how Fastest Labs can support your team: fastestlabs.com/nw-houston

09/12/2025

A clear, updated drug and alcohol policy is the foundation of a safer, more compliant workplace. Fall is the ideal time to review your existing policy.

Whether you're managing multiple worksites, working with remote employees, or simply haven't updated your policy in years, Fastest Labs can help. Our team will work with you to revise outdated language, incorporate required testing types (like for-cause or post-accident), and design a policy that reflects your current operations.

Get expert support and peace of mind. Book your consult today: fastestlabs.com/nw-houston

09/09/2025

What’s your guess? 💅 Drug traces can stay in fingernails for much longer than in urine or saliva.

Comment below and test your knowledge!

09/04/2025

Notice changes in behavior? Our confidential for-cause testing gives you answers—fast.

Protect your team with confidence: fastestlabs.com/nw-houston

09/01/2025

This Labor Day, we pause to recognize and celebrate the dedication, resilience, and hard work of individuals and teams across every industry. Thank you for building, serving, caring, and leading with strength and heart.

Drop a 🙌 in the comments to celebrate the workers in your life—your team, your family, your community.

08/29/2025

Keep your workplace compliant.

As we wrap summer, it’s a perfect time to review your drug & alcohol policies. Are you addressing for-cause testing? Post-accident protocols? DOT compliance?

Key considerations:
✅ Updated language around ma*****na
✅ Clear steps for reasonable suspicion
✅ Defined roles & responsibilities

Your policy isn’t just paperwork — it’s protection.

Need help? Fastest Labs helps create & review policies: fastestlabs.com/nw-houston

08/27/2025

An accident on-site? Timing is critical. We provide immediate post-accident drug & alcohol testing to protect your business from liability and keep your team safe.

Prepare your business at fastestlabs.com/nw-houston

08/25/2025

Not all tests meet legal standards. Our court-admissible DNA, drug, & alcohol tests follow strict chain-of-custody protocols to ensure results hold up in any legal situation.

Secure legally defensible results at fastestlabs.com/nw-houston

08/22/2025

When incidents happen outside regular hours, Fastest Labs is there. Our after-hours and emergency drug & alcohol testing ensures you stay compliant and protect your team — no matter when issues arise.

Learn about after-hours support at fastestlabs.com/nw-houston

08/20/2025

Avoid disrupting your team’s busy day. With Fastest Labs’ on-site testing, we bring certified, compliant drug & alcohol testing straight to your workplace — minimizing downtime, keeping productivity up, and employees happy.

Book on-site testing now at fastestlabs.com/nw-houston

08/18/2025

Did you know lack of sleep can drive cravings and substance use? The body & brain need rest to fight dependency. What’s your best sleep tip?

Learn more here: fastestlabs.com/nw-houston

Address

11050 W. Little York Road A-7
Houston, TX
77041

Opening Hours

Monday	8am - 6pm
Tuesday	8am - 6pm
Wednesday	8am - 6pm
Thursday	8am - 6pm
Friday	8am - 5pm

Telephone

+17137661742

Website

https://www.fastestlabs.com/nw-houston/

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Psych Dimensions
Clinica Hispana Harrisburg
7323 Harrisburg Boulevard
Clinica Hispana Shotwell
723 Shotwell Street Suite B

Our Story

Fastest Labs is a drug, alcohol and DNA lab collection franchise that prides itself on accuracy, reliability, and efficiency. We've been providing lab testing services to employers and individuals for years, and because of our commitment to excellence, we have earned a stellar reputation for professionalism, reliability, and confidentiality. With Fastest Labs, you get accurate results, fast. That's our promise and that's what we deliver. We specialize in providing our expert drug and alcohol testing services to employers and other organizations seeking to implement drug testing programs. We can collect testing samples on site or in our state-of-the-art, clean drug testing facility. We are proud to serve northwest Houston, Texas, and the surrounding area. We are committed to providing, fast and accurate drug testing services with a smile!