Mount Pleasant SC real estate market is Hot! Inventory is Down, Average Sales Price is Up for Single Family Detached and the Change in New Listings is down! As of 5.14.2012 Mt. Pleasant Area 42 is ranked 5 in the Charleston SC MLS. It currently has 6 months of housing inventory. 6 months of inventory is considered a Healthy, Balanced Market. Click Here for the current Mt. Pleasant SC Foreclosures.