Leonard, Lee & Co., LLC of Amherst has sold a 4,800 s/f office condominium at the Northbridge Business Center, Northeastern Blvd. Jim Stikeman was the broker who represented the seller, 76-40 Northeastern Blvd., LLC and assisted the buyer, PerfCap Corp. PerfCap. According to the Hillsborough County Registry of Deeds, the property sold for $360,000. Leonard Lee has also sold a 1,200 s/f office condominium at the Greenridge Office Park in Nashua. The seller, DE & CE Realty Trust, was represented by Stikeman. The buyer, ProTeq Solutions was assisted by Bill Leurs from Tamposi-Nash Real Estate. According to the Hillsborough County Registry of Deeds, the property sold for $115,000.