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Introducing the West Street Watershed Project!


Open Space Alliance for North Brooklyn (OSA) is excited to announce the kickoff of the West Street Watershed Stormwater Project, a Greenpoint Community Environmental Fund grant project presented in partnership with the Brooklyn Greenway initiative. …

McGolrick Park Clean Up

OSA Launches Volunteer Program


75 bags of litter collected, 4 new planter installations, and counting...OSA's Spring and Summer Volunteer program has only just begun, with events so far in McCarren Park, Cooper Park, and American Playground. Ready to get …

50 Kent Skate Park

North Brooklyn’s New Skatepark


North Brooklyn's newest skatepark is now open. This 22,000 sq ft. skatepark was brought to you by Nike SB. The park is free and open to the public. To enter the park all guests must complete …


Help Keep Our Parks Clean


To help keep North Brooklyn parks cleaner and greener, OSA recently rolled out upgraded trash cans with a message encouraging park users to do their part by putting litter in the cans. Over 200 new, …

2015 Gala Invite

Join OSA for Our Annual Gala


Join us for the Fourth Annual Open Space Alliance for North Brooklyn Gala, honoring Steve Hindy, Founding OSA Chairman, Brooklyn Brewery Co-Founder & President. Proceeds from the gala benefit Open Space Alliance for North Brooklyn’s (OSA) …

Photo By: Greg Hanlon

Fencing Installed Around Cooper Park Playground


Open Space Alliance for North Brooklyn (OSA) recently partnered with St. Nick's Alliance, Carrig Montessori School, Councilmember Diana Reyna and neighborhood residents to install fencing around Cooper Park playground. The fence lets parents relax and …

Keep'in it Cool

McCarren Rink Returns


McCarren Rink is back for the 2014-2015 skating season, and we're better than ever. With new indoor space, a larger rink, brand new skates, and more programming, we're enhancing what was already one of the …

Adam Perlmutter 2

OSA Elects New Board Chair


Open Space Alliance for North Brooklyn (OSA) is pleased to announce Adam Perlmutter as its newly-elected Chairman of the Board of Directors. He is an attorney who practices criminal defense and civil litigation through his …

Before & After Meeker Morgan

Welcome to GREENpoint


OSA is proud to present a new community-requested Greenstreet garden at the intersection of Meeker and Morgan Avenue in Greenpoint! The 600-square-foot planted area was installed in May and will be maintained by OSA. What …

50 Kent Banner Web current



Open Space Alliance for North Brooklyn (OSA) is pleased to announce the 2014 50 Kent Festival, bringing a variety of outdoor recreation and cultural activities to the Williamsburg waterfront. The festival will feature a concert …