92-96 Highland Ave., Jersey City, one of the Gateway Portfolio properties, with Nicholas Nicholaou of Gebroe-Hammer Associates, who sold the portfolio (Photo composite) 92-96 Highland Ave., Jersey City, one of the Gateway Portfolio properties, with Nicholas Nicholaou of Gebroe-Hammer Associates, who sold the portfolio (Photo composite)

JERSEY CITY, WEST NEW YORK, NORTH BERGEN, GUTENBERG, AND UNION, NJ—Gebroe-Hammer Associates’ senior vice president Nicholas Nicolaou has been busy in Hudson County.