General Info

Stationary Engineers Grade 5 License

Statewide License

Grade 5 License - Operate 30-99 HP equipment in a building not for public use in the state of Maryland. 

Valid for 2 Years Revised 10/27/2017
30 Days Approval time
$35 Application cost
15-45 mins Average completion time

How to get your license?

Obtaining the License

Steps, requirements and documents

High School diploma or GED

Pass an examination with a score of at least 70%.

Copy of high school diploma or GED equivalency.

How do I apply?

Apply or register

Online Application Open up new website
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How do I maintain or renew my license?

Maintaining Your License

Renewal after 2 Years

You may need to meet or abide by all of the following requirements
in order to maintain or renew your license

Submit a renewal application.

Pay renewal fee.

License issuer



Who issues the license?

Department of Labor, Licensing & Regulation

Contact information

NaTerra Bailey
Tel: (410) 230-6163 / Fax: (410) 244-0977
Work hours: 8:30AM - 4:30PM

Address: 500 N. Calvert Street, Room 201, Baltimore, MD 21202


Why is this license required?

To ensure that qualified individuals provide stationary engineer services:

  • oversee the operation of a power plant,
  • plant of machinery, or
  • boiler.

Each generating pressure of more than 15 PSI and operating at 30 or more horsepower (HP).

Or a hot water boiler that operates at pressures exceeding 160 psig or temperatures exceeding 250° F;

  1. To protect the public,  
  2. Provide safe operation of equipment, and  
  3. Promote high professional standards.

Where can I find more information?

Resources and Links

Visit the following websites for additional information

How do I apply?

Apply or register

Online Application Open up new website
Visit site


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