Sitar Realty Co. has arranged the acquisition of 6,272 self storage units across the Northeast. Saratoga Springs-based Prime Group Acquisitions purchased the properties, which total 673,588 square feet, for $124.4 million. The properties are located in Clinton, Lindenwold, Phillipsburg and Washington, N.J.; Brookfield, Farmington, Newington and New Milford, Conn.; Boston, Hyde Park, Quakertown, Somerville and South Boston, Mass.; and Fairless Hills, Pa. Bill Sitar Jr. of Sitar Realty Co. brokered the transactions. The names of the sellers were not disclosed.