We have been installing doors and windows for the last twenty years. In thousands of homes for homeowners and retail stores as well. We have installed for several of the "big box" retailers.
The information contained in South Carolina Contractor's Licensing Board is made available as a public service by the South Carolina Department of Labor, Licensing and Regulation. So Homeowners are allowed to use this service to verify:
if contractor has an actual license
Look up a company’s license history for license violations.
Residential general work over $5,000 and residential specialty work over $200 requires the contractor to be licensed in the State of South Carolina.