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Exam Prep & Books

Intro

Obtain Your License in District of Columbia

In the District of Columbia, General Contractor licenses are regulated by the Occupational and Professional Licensing Administration, under the Department of Consumer and Regulatory Affairs. The Board of Industrial Trades governs plumbers, electricians, and refrigeration and air conditioning mechanics. We have licensing information and everything you need to pass the exam.

At RocketCert, we offer industry leading exam prep. In addition, we stock the references that you need and can use during the exam. We'll teach you how to study and use the references during the exam to maximize your chances of passing on your first attempt. All our training is backed with our No Pass, No Pay guarantee.


RocketCert customer obtaining or renewing their District of Columbia Contractor license through RocketCerton the RocketCert website or on the mobile app.
About Us

Why should I choose RocketCert?

At RocketCert, we strive to be the best (while having fun in the process). This means having not only the best quality of education, but also industry leading technology. Best yet, we are here for you 7 days a week. Have a question or comment? Give us a call or contact us to send us a message. Ready to begin? Select your State above and start immediately. Of course, you can resume later!


LIFETIME ACCESS

Why pay for something knowing your time with it is limited? At RocketCert, we believe in offering lifetime access to your training, even though it will not be needed.

EXPERT EDUCATION

Our education is written industry experts. We believe in helping you with your career, and that help begins with offering best in class education.

CUSTOMER SUPPORT

We are here for you. Have a question? Need support? Our team is available 7 days a week for technical support. We pride ourselves in taking care of you.

EASY REFUNDS

Fail your exam? Prefer a different style of course? Other events taking place in your life? Give us a call and we can process a refund within 30 days of purchase for any reason. Exam prep courses are backed with our No Pass, No Pay guarantee.

Testing Agency Contact

  • Electrical, Refrigeration, Air Conditioning, Plumbing, Gas | PSI | 855-557-0616 | psiexams.com
  • General Contractors | PSI | 855-557-0616 |
    psiexams.com
Find Your Course

Obtain Your License (Exam Prep)

District of Columbia issues Contractor licenses in each major trade type. All applicants must meet experience requirements and obtain a bond. Find those details and more on this page.

  • Contractor Exam Prep Coming Soon
Learn more

District of Columbia recognizes Journeyman and Master Refrigeration and Air Conditioning Mechanic licenses. All applicants must meet experience requirements and obtain a passing score on the corresponding exam. Find those details and more on this page.

  • Exam Prep: $299
  • Prep, Books, Tabs Bundle: $621 $569
Learn more

District of Columbia recognizes Journeyman and Master Plumbing with Gas licenses. All applicants must meet experience requirements and obtain a passing score on the corresponding exam. Find those details and more on this page.

  • Exam Prep: $299
  • Prep, Books, Tabs Bundle: $521 $479
Learn more

District of Columbia recognizes Journeyman and Master Gas Pipe Fitter licenses. All applicants must meet experience requirements and obtain a passing score on the corresponding exam. Find those details and more on this page.

  • Exam Prep: $129
  • Prep, Books, Tabs Bundle: $242 $219
Learn more

District of Columbia recognizes Journeyman and Master Electrical licenses. All applicants must meet experience requirements and obtain a passing score on the corresponding exam. Find those details and more on this page.

  • Master/Journey Exam Prep Coming Soon
Learn more