SEACAUCUS, N.J. — CBRE has arranged the $34.2 million sale of One Harmon Plaza in Secaucus. The 192,089-square-foot office building is currently 95 percent leased. Samuel Bernhaut and Robert L’Abbate of CBRE represented the seller, a joint venture between Mountain Development Corp. and PCCP LLC. The buyer was ZI One Harmon Plaza LLC. The joint venture has made significant upgrades since purchasing the office building in 2014, including the renovation of the lobby and the addition of a new conference center, cafeteria and fitness facility.