LeFrak joined his family's real estate firm, LeFrak, in 1968. In 1975 he was appointed President. In 2003, he was elected chairman and CEO following the death of his Father, Samuel J. LeFrak. In 1986 LeFrak and his Father began building in Jersey City, New Jersey on the site of abandoned piers and rail yards. The area is now known as Newport, a 600-acre neighborhood with 8 office buildings, 13 apartment towers, 2 hotels, an urban beach, schools, a Retail mall, and parks.