If you're hiring a contractor, you've probably seen people refer to themselves as 'licensed.' But what does that mean, and how can you check to make sure that the contractor you choose has the license they need? In Minnesota, there are different types of license that are required for different types of contractors. Although there are more types than we can cover here, there are two general groups of licenses:Residential building licenses, which enables a company to do a broad range of work on