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Chem Chek Co., Inc.

Third Party Administration & Drug Testing Service in Richardson
Opening at 9:00 AM
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Closing a little early today due to projected weather issues. We may have delayed openings this week depending on road conditions and emergency on-site testing. Your patience and understanding are greatly appreciated.


We have scheduled on-site tests starting at 3:30AM today.

We may be a little late opening the office, depending on whether the donors can provide their specimens, but we should be here no later than 10:30AM.

Please be patient.

We appreciate your understanding,
Your hard-working ...

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Chem Chek will be closing early for on-site testing. Testing hours 9am - 1pm (last client at 12:30)
Thank you for your understanding!

We are working closely with our clients to meet end of the year compliance goals and are limiting the in-office testing hours accordingly. Please check the hours tab for updated information. We very much appreciate all of you and wish you a happy and safe holiday season!

Closing early Wednesday 11/16/22. Updated hours for today 9am - 1pm. We have scheduled onsite testing, but we will be open Thurday morning at 9am


3 weeks ago
just leaving some words for the lovely ladies who run this place! extremely kind, personable and speedy. thanks guys!
- John m
6 months ago
Very clean facility, the staff is super friendly and attentive. Best and easiest experience I’ve had taking a drug test
- Alia S
a year ago
The ladies that were working were very nice and professional. They made it very comfortable to speak with them and all around the experience was a very pleasant one!! Also, River was the best employee they have for sure. ;)
- Sasha C

About Chem Chek

We believe that our partnership should be an extension of our client’s culture and philosophies. We want to be familiar with your company drug and alcohol policies so that we are supportive when speaking to applicants and employees. Our clients are not “one size fits all” and are not treated as if they are. We take the time to address your company’s needs and find solutions with each interaction.

Whether you are a Business Owner, HR Specialist, or Owner-Operator, Chem Chek will help you achieve and maintain your testing goals to comply with Federal Regulations and Company Policy.

Contact Us


Call now
  • (972) 918-9300


Get directions
1750 Alma Road #108
Richardson, TX 75081

Business Hours

Mon:9:00 AM – 3:00 PM
Tue:9:00 AM – 3:00 PM
Wed:9:00 AM – 3:00 PM
Thu:9:00 AM – 3:00 PM
Fri:9:00 AM – 2:00 PM
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