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Your gift of any amount will help protect the land we love, and the land we need. If you are interested in supporting the work of the Open Space Institute in other ways, please click here.

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OSI is a nonprofit, tax-exempt charitable organization under Section 501(c)(3) of the Internal Revenue Code.
Your contribution is 100% tax-deductible to the fullest extent of the law.
Tax ID#: 52-1053406

For additional information, contact

Emily Offen
Director of Development Operations and Events
eoffen@osiny.org
212-290-8200 ext. 1306

To explore other ways of supporting OSI, click here