How Do I Get My Louisiana State Mechanical License Easily?

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The State of Louisiana's mechanical license is issued to contractors by the Louisiana State Licensing Board. Those who want to perform mechanical work on residential or commercial projects must obtain a mechanical contractor's license from the board when the mechanical components of the construction exceed $10,000.

Mechanical Contractor Defined

You will need to apply for your Louisiana mechanical contractor's license if you meet the definition of a mechanical contractor as defined by Louisiana state law. The law defines mechanical contractors as those who direct projects dealing with air-conditioning, refrigeration, heating systems, plumbing, ventilation systems, pressure vessels such as boilers, hot water and steam systems, and piping, gas piping, fuel storage, and chilled water and condensing water systems, including industrial process piping and the related valves, fittings and components.


Prospective licensed mechanical contractors should request an application from the board. The board is at 2525 Quail Drive in Baton Rouge, with a mailing address of P.O. Box 14419, Baton Rouge, LA 70898. Its phone number is (225) 765-2301 and the website is As part of the application process, you may need to provide information about your work experience and financial history, along with references from contractors who are already licensed in Louisiana.


You will be required to complete a test prior to receiving a license. The exam will test your knowledge of the trade as well as your understanding of business and law. A study guide for the business and law component of the test is available from the board for $40. License holders from other states who wish to apply for work in Louisiana do not need to take the trade-related section of the test.


You will be required to pay a $100 fee for the examination and a $100 fee for the license.