CHARLESTON, S.C. — Holder Properties has sold a four-building office portfolio totaling 252,000 square feet in the Charleston area. A joint venture between Charleston-based Cobalt Property Group and New York-based Garrison Investments acquired the assets for an undisclosed price. The portfolio includes: 174 Meeting in downtown Charleston; Faber Pointe and 3800 Paramount Drive in North Charleston; and 1 Central Island Plaza in Daniel Island, located roughly 14 miles north of Charleston. The buildings were fully leased at the time of sale to a mix of local, regional and national tenants. Holder Properties will continue to manage the buildings on behalf of the new ownership.