Asked Questions

If you have questions you would like answered immediately, you may be in good company. See if your question is among the list of FAQs.

Common Questions

We’re located in downtown Los Angeles!


Counties that we service are:

Los Angeles



San Bernardino*

San Diego

Santa Barbara


*Call to confirm city

Call or e-mail us!

Call: (866) 455-TRUE


1611 E. 14th Street
Los Angeles, CA 90021


Sampling can be scheduled in advance or called-in.  We can generally pick-up same day, however, call for an answer specific to your location and hours of operation.

We’re signed up and ready to go!



You have options! Use our online portal, set up email reporting, or give us a call and we’ll even fax it to you!


Call: (866) 455-TRUE



We generally report out within 3-5 days.

Click here for a complete list of what we test.



Give us a call (866) 455-TRUE

Email us:


Although you may have one person you speak with most regularly, all of us at True Science Laboratories are here to help, so you’ve got an entire team of people working for you.

Our hours are set by our testing load and our unwavering commitment to meeting turnaround time EVERY TIME.


True Science Laboratories is ISO/IEC 17025: 2005 accredited for all California state required testing under Accreditation #102558, Certificate #L19-360.

Nope. We appreciate your business.


Mailing of samples is currently not allowed under Federal law.

To learn more about our customized approach to helping you build legitimacy, set up a consultation with one of our team members at (866) 455-TRUE.