All construction contractors and subcontractors must register with the Department of Labor and Industry if they have employees. Those contractors without employees may register, but are not required to do so.
Contractor License Lookup (external): To check if a contractor is registered in Montana, call (406) 444-7734. To see a list of registered Montana construction contractors, click here. For a list of licensed electricians or plumbers, click here
Or, more detailed information on Montana’s contractor licensing policy