West Virginia Piping Contractor License

The Piping Contractor License allows you to do the following:

• Boiler and pressure vessel installation, using:
  • Mechanical techniques
  • Joining methods (thread, weld, or solvent weld)
• Piping installation procedures under these categories:
  • Air
  • Oil
  • Gasoline
  • Chemicals
  • Chilled water
  • Power plants
  • Underground storage tanks
• Jobs and activities that may involve:
  • Coolers and walk-in-coolers (refrigeration)
  • Laying pipe in ditch (during a main water or sewer project)
  • Refrigeration lines (for example, commercial cooler in grocery store)
  • Boilers (residential structure for heating, or industrial plants - processing)

How to Get the Piping Contractor’s License in West Virginia?

1. Contact the West Virginia Division of Labor Contractor Licensing Board and provide the scope of work to verify the classifications and tests required to obtain the Piping Contractor License; send the request to This email address is being protected from spambots. You need JavaScript enabled to view it.
2. Schedule and take both the trade and business and law exams with PSI©, apply online or contact them at (855) 539-0708
   • For entities, get a Business Registration Tax Number; for more details, call the West Virginia Tax Division at (304) 558-3333
3. Register with the West Virginia Secretary of State; candidates can contact a Business Specialist at (866) 767-8683 or (304) 55​8-8000​ to determine if the entity must be enrolled; applicants may also register the business online at WV One Stop Business Portal, in-person at the office located on 13 Kanawha Blvd., W., Suite 201, Charleston, WV 25302, or by visiting one of their Business Hubs
4. Present evidence of Workers' Compensation and Unemployment Compensation for all employees in case of being an entity
   • Contact the Workers' Compensation staff at (304) 558-3386, and the Unemployment Compensation personnel at (304) 558-2451
   • Provide proof of General Liability Insurance Coverage if the candidate’s entity is exempt and West Virginia coverage is not required
5. Send a completed application form and affidavit; a wage bond is a guarantee issued to the Division of Labor to protect employee wages and fringe benefits; if the entity performs commercial construction work with employees, contact the Wage & Hour staff at (304) 558-7890 or by sending an email to This email address is being protected from spambots. You need JavaScript enabled to view it. to verify the wage bond status
   • Note that the State of West Virginia requires a wage bond for a contractor who did not actively engage in construction work in the State for at least one year preceding the completion date of the application/affidavit form
6. Pay the contractor license fee by check, money order, or credit card at the Charleston City Service Center Office
7. Expect an answer from the Division regarding the license once the process is complete

West Virginia Piping Contractor License Exam Prep Courses

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West Virginia Piping Contractor License Exams

Below is all the information related to the trade and Business and Law exams, including the official reference lists.

West Virginia Piping Contractor Book Set

This set of books includes all required references for the Piping and Business and Law exams. Orders placed before 2 PM are shipped the same day via UPS and a tracking number is emailed before 3 PM.

West Virginia Piping Contractor Exam Books

Books Allowed in Testing

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West Virginia Piping Business and Law Exam Books

Books Allowed in Testing

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Candidates are advised to read the OSHA Regulations that are part of the NASCLA Business and Law Manual. These regulations support exam content on OSHA Safety (16% of the questions originate from this book).