Service Technician Exam Information

Exam Eligibility

After your completed license application has been reviewed and your application fee has been received, you will be notified that you are approved to sit for the licensing exam.

You may be notified either by email or by regular mail. Please ensure that your contact information provided on the license application is correct.

Applicants have one year from the date the application was received by TDLR to satisfy all the requirements to obtain a license, including passing the examination.

Scheduling an Exam

If you are eligible for examination, then you can visit the PSI website at or contact PSI by phone at (833) 333-4741 to schedule your exam date.

Your name must match exactly with the information TDLR has on file.

Please see the Candidate Information Bulletin (PDF) for detailed information on scheduling your exam.

Requests for Special Accommodations

Every reasonable accommodation will be made in meeting a candidate’s needs. Applicants with disabilities or those who would otherwise have difficulty taking the exam should make a request for alternative arrangements with PSI. Details for requesting special accommodations can be found in the Candidate Information Bulletin.

Exam Fees

The examination fees can be found in the Candidate Information Bulletin (PDF) for your specific exam type.

Pass/Fail Rates

Fiscal Year 2021 (September 2020 - August 2021)

License Type Pass Fail Tot Rate No Show
Low Flow 20 16 36 55.56% 2
High Flow 12 0 12 100.00% 1
Total 38 28 66 57.58% 3