Maryland Licensed Sprinkler Contractors

Click the below link to see a list of the currently licensed sprinkler contractors who are approved to do work in the state of Maryland on the Maryland OneStop licensing portal. 


Sprinkler Contractor Approved Listing​​


Are you interested in becoming a Maryland licensed sprinkler contractor? Contact our sprinkler licensing office at 410-713-3780 or by email at msp.osfmlero@maryland.gov. Or you can access information and application at the below link.​

Sprinkler Contractor License Application Information


Sprinkler Contractor Licensing FAQs

If I already have a Class IIIC License, does that permit me to perform all types of work on a fire sprinkler system?

 

​No, you would have to obtain a Class I and and Class IIIc to perform all types of sprinkler work.​

What do the different classes of sprinkler licenses mean?

 

Class I - inspection, testing and maintenance of residential and commercial systems

Class IIa - installation, repair, and modification of residential systems

Class IIb - layout (design) of residential systems

Class IIc - installation, repair, modification and layout (design) of residential systems

Class IId - installation, repair, and modification of residential systems (NFPA 13D)

Class IIIa - installation, repair, and modification of commercial and residential systems

Class IIIb - layout (design) of commercial and residential systems

Class IIIc - installation, repair, modification and layout (design) of commercial and residential systems​

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