The long-in-the-works mega-project, Pacific Park Brooklyn, now has its first topped out residential building. 550 Vanderbilt. The 278-unit luxury condominium designed by COOKFOX that will anchor the southeast corner of the 22-acre site, ascended to its full 17-story height earlier this week. On hand to mark the occasion, nearly 12 years to the day from when the project was first announced, were executives from Greenland USA and Forest City Ratner Companies, partners in the development. 550 Vanderbilt will be completed in 2017. In all, Pacific Park Brooklyn will feature 14 residential buildings with over 6,000 apartments, and eight acres of public open green space.