WEST ORANGE, N.J. — The Hampshire Companies, in a joint venture with Paragon Realty, has leased 13,776 square feet of medical office space at 375 Mount Pleasant Avenue, located in West Orange. The tenant, The Urology Group of New Jersey, plans to take occupancy in November. The building, which totals 106,000 square feet and was formerly a research and development facility for Organon USA, is being converted into a building for hospital and medical office uses. The Hampshire/Paragon JV was represented by Frank Gunsberg of FirstService Williams. John Feeney of Studley represented the tenant. The property is part of Hampshire Partners Fund VII, one of the company’s institutional real estate investment funds.