Residential Home Builders must present a South Carolina state card. Commercial, Non-Residential General Contractors must present a South Carolina state card. Electrical, Plumbing and Mechanical Contractors must present either a state license or a Charleston County license. The contractor must have a tested license. Painters, carpenters, flooring, concrete, and all other contractors must present a card demonstrating they are registered with the state of South Carolina. According to state law, anyone contracting for $200 or more of work must be registered. Applications for registration with the are available in the City of Isle of Palms Building Department. If you have questions please feel free to contact the Building Department at 843-886-9912.