BAYONNE, N.J. — Locally based brokerage firm The Kislak Co. Inc. has negotiated the $9.9 million sale of a development site in the Northern New Jersey community of Bayonne that is approved for multifamily development. The site is an assemblage of six lots, and the undisclosed buyer plans to construct a six-story, 197-unit complex. Units will come in studio, one- and two-bedroom floor plans, and the property will feature 4,300 square feet of amenity space and parking for 245 cars. Davis Briones of Kislak represented the seller, an affiliate of RAM Development, in the off-market transaction. Briones also procured the buyer.