Residential Light Commercial (B-2) The Nevada Residential and Small Commercial license allows for the construction or remodeling of houses and other structures which support, shelter, or enclose persons or animals or other chattels, and which do not extend more than three stories above the ground and one story below the ground. 

A general building contractor may not perform plumbing, electrical, refrigeration, air-conditioning or fire protection without the appropriate specialty license. A person who exclusively constructs or repairs mobile homes, manufactured homes or commercial coaches is not a general building contractor.