Fort Sumter House Charleston SC Condos Condos for sale at The Fort Sumter House in Downtown Charleston SC | Condos for sale at 1 King St Charleston SC. Once an old bank and commercial building in the early 1900s this building has since been renovated and converted into luxury high rise waterfront condos on the Charleston Harbor. Located on the famous Battery these condos are in the extremely desirable South of Broad neighborhood of downtown Charleston SC. MLS Listings Data Total Listings: 1 Average Price: $1,995,000 Highest Listing Price: $1,995,000 Average Days On Market: 57 Relative Sort by Year Built: low to high Sort by Year Built: high to low Sort by price: low to high Sort by price: high to low Sort from oldest to newest Sort from newest to oldest Sort by status: active to under contract Sort by status: under contract to active Saving Subscribe Unsubscribe Loading... ALL CONDO BUILDINGS DOWNTOWN Active Listings Avg Days on Market Avg DoM Avg Price A