Salt Lake City, Utah 84114-7421. All residential rental properties within the corporate limits of Salt Lake City are required to maintain a valid, unexpired business license for each location.Get information and applications for necessary permits relating to various events and businesses in Salt Lake County. Business Personal Property Taxes. Utah State Tax Commission. Apply for a Residential Rental Property Here. All businesses in Utah are recommended to register with the Utah Department of Commerce either as a. For businesses operating from a permanent physical residence within the city limits of South Salt Lake. The best resource for knowing what licenses and permits may be required is a consultation with a licensed Utah Attorney who specializes in business law. We have been providing legal services to the Salt Lake City area since 1973.