A river running through a deep pine forest valley

Grant recipient EIN 52-1053406Environment

Who funds Open Space Institute Inc?

129 private foundations gave Open Space Institute Inc in New York, NY $20.1 million across 370 grants, in tax years 2017 to 2025.

Grants listed on funders’ 990-PF returns for tax years 2017 to 2025, read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

Grants received by year

Grants from private foundations by the funder’s tax year. The latest year is in blue; it is not complete until all its returns reach the IRS.

Every foundation grant, by year

370 grants

Each line as the funder listed it on its return, newest year first, then largest.

  1. Head & Heart Foundation TR 12319Wilmington, DE 2025

    General support

    $250,000
  2. Women Arts and Acres FoundationCarrollton, GA 2025

    Land conservation

    $150,000
  3. Sarracenia Foundation IncNew Orleans, LA 2025

    General fund

    $50,000
  4. Lucretius Foundation IncPalm Beach Gardens, FL 2025

    The purpose of these contributions is to provide the donee organizations to carry out their exempt functions.

    $30,000
  5. Steven C Leuthold Family FoundationBrevard, NC 2025

    Oparations

    $20,000
  6. American Conservation Association IncNew York, NY 2025

    10k general 5k william mchenry

    $15,000
  7. Strachan & Vivian H Donnelley FoundationChicago, IL 2025

    General support

    $15,000
  8. Boquet Foundation IncHockessin, DE 2025

    The Lake Placid Trailhead

    $10,000
  9. Trout Walk FoundationWilmington, DE 2025

    General & Unrestricted

    $10,000
  10. The Derald H Ruttenberg FoundationNew York, NY 2025

    Public charities

    $9,766
  11. Thomas F Staley FoundationEaston, PA 2025

    General Contribution

    $7,500
  12. Land Family FoundationCornwall on Hudson, NY 2025

    General charitable purpose

    $7,000
  13. Reed Family Foundation IncLake Geneva, WI 2025

    General

    $6,000
  14. Curtis W McGraw FoundationPrinceton, NJ 2025

    Unrestricted general

    $5,000
  15. The Harding Family FoundationBasking Ridge, NJ 2025

    General

    $5,000
  16. Vandy Charitable FoundationGeorgetown, SC 2025

    Charity

    $5,000
  17. A & J Saks Foundation IncNew York, NY 2025

    Further the exempt purpose of the recipient

    $2,000
  18. Franklin Cole FoundationNew York City, NY 2025

    Support the arts

    $1,000
  19. Syd & Jan M Silverman Foundation IncPennington, NJ 2025

    Unrestricted general

    $1,000
  20. The Kenneth Martin & Christine Hepburn FoundationHardwick, NJ 2025

    Charitable

    $1,000
  21. Mark L Serventi Family FoundationSilver Springs, NY 2025

    General funds donation

    $1,000
  22. Betty & James K Stone FoundationWellford, SC 2025

    General support

    $1,000
  23. William Mead Regan FoundationSouthampton, NY 2025

    General Purposes

    $1,000
  24. Kvistad FoundationOlivebridge, NY 2025

    Humanitarian

    $500
  25. Lytton-Kambara FoundationWilmington, DE 2024

    on-going land conservation and greenway trail projects undertaken by the grantee in the Shawangunk Mountain Region of New York State

    $1,200,000
  26. Thomas L Kempner Jr FoundationSouthampton, NY 2024

    Greenway trails acquisition program

    $519,660
  27. Head & Heart Foundation TR 12319Wilmington, DE 2024

    General support

    $250,000
  28. Shelby Cullom Davis Charitable Fund IncWilmington, DE 2024

    General & Unrestricted

    $150,000
  29. The Sidney J Weinberg Jr FoundationAlbany, NY 2024

    General purpose

    $100,000
  30. The JM Kaplan Fund IncNew York, NY 2024

    Catalyzing land protection for climate change: science, capacity building, and resilient communities

    $100,000
  31. Tortuga Charitable FoundationPrinceton, NJ 2024

    Charitable

    $100,000
  32. Viridi Futuro FoundationDurham, NC 2024

    General support

    $100,000
  33. Kampgrounds of America FoundationBillings, MT 2024

    GET OUT THERE BAGS/Accessibility to the Outdoors initiative

    $77,000
  34. Louis and Anne Abrons Foundation IncWilmington, DE 2024

    General & Unrestricted

    $75,000
  35. Rhoads Jr Jay-Environmental Fund TRPittsburgh, PA 2024

    General operating

    $65,000
  36. Shelby Cullom Davis Charitable Fund IncWilmington, DE 2024

    Charitable Event

    $50,000
  37. Fredman Family Foundation IncWater Mill, NY 2024

    To support the protection of land in the eastern u.s.

    $50,000
  38. Lucretius Foundation IncPalm Beach Gardens, FL 2024

    The purpose of these contributions is to provide the donee organizations to carry out their exempt functions.

    $45,000
  39. The Stainman Family Foundation IncNew York, NY 2024

    General

    $35,000
  40. The JM Kaplan Fund IncNew York, NY 2024

    General operating support

    $35,000
  41. The Van Der Stricht FoundationNew York, NY 2024

    Organization's general

    $30,305
  42. The Merlin FoundationBoulder, CO 2024

    General purpose

    $30,000
  43. Boquet Foundation IncHockessin, DE 2024

    Adirondack Project

    $25,000
  44. The Topfield Foundation IncCold Spring, NY 2024

    To further donees exempt purpose

    $25,000
  45. Two Lights Foundation IncDenver, CO 2024

    General use

    $24,200
  46. Helen & William Mazer FoundationBerkeley Heights, NJ 2024

    Charitable purposes.

    $20,000
  47. Palladium FoundationSalt Lake City, UT 2024

    Various

    $20,000
  48. Geraldine R Dodge Foundation IncNewark, NJ 2024

    Support the kim elliman fund

    $20,000
  49. American Conservation Association IncNew York, NY 2024

    10k general 5k william mchenry

    $15,000
  50. The Watts Family FoundationCharleston, SC 2024

    General operating grant

    $15,000
  51. Guffey Family FoundationPennington, NJ 2024

    Unrestricted general

    $15,000
  52. The Rebecca C Parsons FoundationPawleys Island, SC 2024

    Charitable

    $15,000
  53. Mills Bee Lane Memorial FoundationSavannah, GA 2024

    General purpose

    $15,000
  54. The Meier and Linnartz Family FoundationNew Canaan, CT 2024

    General support

    $15,000
  55. Advocates for Climate InnovationNew York, NY 2024

    Unrestricted general institutional support

    $10,000
  56. The Matthew Marks Charitable TrustNew York, NY 2024

    General charitable purpose

    $10,000
  57. Dan and Merrie Boone Foundation IncWilmington, DE 2024

    General & Unrestricted

    $10,000
  58. Charina Foundation Inc Richard MenschelNew York, NY 2024

    General support

    $5,000
  59. Ernst & Elfriede Frank Foundation IncNew York, NY 2024

    General charitable

    $5,000
  60. Curtis W McGraw FoundationPrinceton, NJ 2024

    Unrestricted general

    $5,000
  61. Reed Family Foundation IncLake Geneva, WI 2024

    General

    $5,000
  62. Wilburforce FoundationSeattle, WA 2024

    Environmental - oasis: a green equity collective

    $5,000
  63. McIntosh FoundationWashington, DC 2024

    Environmental

    $4,670
  64. The Clyde and Summer Anderson FoundationBirmingham, AL 2024

    Benevolent donation

    $4,000
  65. A & J Saks Foundation IncNew York, NY 2024

    Further the exempt purpose of the recipient

    $2,500
  66. The Harding Family FoundationBasking Ridge, NJ 2024

    General

    $2,500
  67. Henry M Blackmer Foundation IncCharleston, SC 2024

    General

    $2,000
  68. Boquet Foundation IncHockessin, DE 2024

    Land Conservation Work in the Champlain Valley

    $2,000
  69. Land Family FoundationCornwall on Hudson, NY 2024

    General charitable purpose

    $1,340
  70. Thomas F Staley FoundationEaston, PA 2024

    General Contribution

    $1,000
  71. Syd & Jan M Silverman Foundation IncPennington, NJ 2024

    Unrestricted general

    $1,000
  72. The Beta FoundationLewes, DE 2024

    General support

    $1,000
  73. Weeden FoundationBedford Hills, NY 2024

    Grant

    $1,000
  74. Altman FoundationNew York, NY 2024

    Matching gift for programs and initiatives in new york

    $300
  75. Hegarty Family FoundationNorth Palm Beach, FL 2024

    provide support to donee organizationfor organizational expenses

    $0
  76. Lytton-Kambara FoundationWilmington, DE 2023

    land conservation and greenway trail projects in the Shawangunk Mountain region of New York State

    $950,000
  77. Rhoads Jr Jay-Environmental Fund TRPittsburgh, PA 2023

    General operating

    $300,000
  78. Head & Heart Foundation TR 12319Wilmington, DE 2023

    General support

    $250,000
  79. Burnham Family FoundationWilmington, DE 2023

    General & Unrestricted

    $100,929
  80. Palladium FoundationSalt Lake City, UT 2023

    Various

    $95,000
  81. The Rebecca C Parsons FoundationPawleys Island, SC 2023

    Charitable

    $75,000
  82. The Van Der Stricht FoundationNew York, NY 2023

    Organization's general

    $60,454
  83. Kampgrounds of America FoundationBillings, MT 2023

    Get out there bags

    $50,000
  84. Louis and Anne Abrons Foundation IncWilmington, DE 2023

    General & Unrestricted

    $40,000
  85. Overhills FoundationGarden City, NY 2023

    General Support;ListTotal 30000;ListTotal 0

    $33,000
  86. Pathfinder Foundation IncWilmington, DE 2023

    General & Unrestricted

    $30,000
  87. The Merlin FoundationBoulder, CO 2023

    General purpose

    $30,000
  88. The Stainman Family Foundation IncNew York, NY 2023

    General

    $25,000
  89. Prospect Hill Foundation IncNew York, NY 2023

    Leadership transition

    $25,000
  90. The Ceres Foundation IncCharleston, SC 2023

    truck for site visits

    $25,000
  91. Helen & William Mazer FoundationBerkeley Heights, NJ 2023

    Charitable purposes.

    $20,000
  92. Boquet Foundation IncHockessin, DE 2023

    General Support

    $20,000
  93. Claneil Foundation IncPlymouth Meeting, PA 2023

    General operating

    $20,000
  94. Robert Rauschenberg FoundationNew York, NY 2023

    Support black & indigenous communities-cultural preservation

    $17,600
  95. American Conservation Association IncNew York, NY 2023

    10k general 5k william mchenry

    $15,000
  96. Strachan & Vivian H Donnelley FoundationChicago, IL 2023

    General

    $15,000
  97. The Watts Family FoundationCharleston, SC 2023

    General operating grant

    $15,000
  98. W L Lyons Brown FoundationLouisville, KY 2023

    Program support

    $15,000
  99. Kaufman Family FoundationKenilworth, IL 2023

    General support

    $15,000
  100. Kampgrounds of America FoundationBillings, MT 2023

    Get out there bags

    $15,000
  101. Lucretius Foundation IncPalm Beach Gardens, FL 2023

    The purpose of these contributions is to provide the donee organizations to carry out their exempt functions.

    $15,000
  102. Advocates for Climate InnovationNew York, NY 2023

    Unrestricted general institutional support

    $10,000
  103. Mills Bee Lane Memorial FoundationSavannah, GA 2023

    General purpose

    $10,000
  104. The Meier and Linnartz Family FoundationNew Canaan, CT 2023

    General support

    $10,000
  105. Universal Music All Together Now Foundation IncSanta Monica, CA 2023

    General operating support

    $10,000
  106. David & Candace Weir FoundationAlbany, NY 2023

    General charitable purposes

    $5,000
  107. Lostand FoundationCold Spring, NY 2023

    General support

    $5,000
  108. The JM Kaplan Fund IncNew York, NY 2023

    General operating support

    $5,000
  109. Curtis W McGraw FoundationPrinceton, NJ 2023

    Unrestricted general

    $5,000
  110. Cloudsplitter FoundationSaranac Lake, NY 2023

    General Charitable

    $3,750
  111. Charina Foundation Inc Richard MenschelNew York, NY 2023

    General support

    $2,500
  112. A & J Saks Foundation IncNew York, NY 2023

    Further the exempt purpose of the recipient

    $2,500
  113. Reed Family Foundation IncLake Geneva, WI 2023

    General

    $2,500
  114. The Pfizer Foundation IncNew York, NY 2023

    Matching gifts

    $2,000
  115. Henry M Blackmer Foundation IncCharleston, SC 2023

    General

    $2,000
  116. Boquet Foundation IncHockessin, DE 2023

    Land Conservation Work in the Champlain Valley

    $2,000
  117. Merck Family FundBoston, MA 2023

    Discretionary

    $2,000
  118. Leen Foundation IncPrinceton, NJ 2023

    Unrestricted support of organization's tax exempt purpose.

    $2,000
  119. The Nancy Evans Hays FoundationincGloversville, NY 2023

    Grant

    $2,000
  120. Magnolia Plantation FoundationCharleston, SC 2023

    Support and further the exempt purpose of the recipient organization

    $1,500
  121. Thomas F Staley FoundationEaston, PA 2023

    General contribution

    $1,000
  122. Strong Foundation of New YorkNew York, NY 2023

    General support

    $1,000
  123. Syd & Jan M Silverman Foundation IncPennington, NJ 2023

    Unrestricted general

    $1,000
  124. Land Family FoundationCornwall on Hudson, NY 2023

    General charitable purpose

    $1,000
  125. The Harding Family FoundationBasking Ridge, NJ 2023

    General

    $1,000
  126. The Beta FoundationLewes, DE 2023

    General support

    $1,000
  127. Cedarhurst FoundationCharleston, SC 2023

    General use

    $500
  128. Texas Instruments FoundationDallas, TX 2023

    Donations to colleges, universities and other organizations under "matching gifts program."

    $160
  129. Findlay Family FoundationSalisbury, CT 2023

    Support grant

    $100
  130. Amazonsmile FoundationSeattle, WA 2023

    General support

    $31
  131. Hegarty Family FoundationNorth Palm Beach, FL 2023

    provide support to donee organizationfor organizational expenses

    $0
  132. Lytton-Kambara FoundationWilmington, DE 2022

    To support the on-going work of osi on the shawangunk ridge

    $1,000,000
  133. Lyndhurst Foundation IncChattanooga, TN 2022

    Cradle of Southern Appalachia Land Protection Fund

    $880,000
  134. The Ceres Foundation IncCharleston, SC 2022

    Buckfield project

    $500,000
  135. Head & Heart Foundation TR 12319Wilmington, DE 2022

    General support

    $350,000
  136. The William & Flora Hewlett FoundationMenlo Park, CA 2022

    For the outdoors america campaign

    $125,000
  137. The JM Kaplan Fund IncNew York, NY 2022

    Advancing forestland protection for carbon mitigation

    $100,000
  138. The JM Kaplan Fund IncNew York, NY 2022

    Advancing land protection for forest mitigation

    $100,000
  139. Shelby Cullom Davis Charitable Fund IncWilmington, DE 2022

    Hubbard Perkins Trail Improvements

    $100,000
  140. The Dyson FoundationMillbrook, NY 2022

    Towards general operating support.

    $50,000
  141. Cloudsplitter FoundationSaranac Lake, NY 2022

    General Charitable

    $50,000
  142. Merck Family FundBoston, MA 2022

    Cradle of the appalachians equity catalyst program

    $45,000
  143. Louis and Anne Abrons Foundation IncWilmington, DE 2022

    General & Unrestricted

    $40,000
  144. Overhills FoundationGarden City, NY 2022

    General Support;ListTotal 30000;ListTotal 0

    $34,000
  145. Pathfinder Foundation IncWilmington, DE 2022

    Conservation work in South Carolina

    $30,000
  146. The Meier and Linnartz Family FoundationNew Canaan, CT 2022

    General support

    $30,000
  147. The Merlin FoundationBoulder, CO 2022

    General purpose

    $30,000
  148. The William & Flora Hewlett FoundationMenlo Park, CA 2022

    For fundraising support

    $30,000
  149. Helen & William Mazer FoundationBerkeley Heights, NJ 2022

    Charitable purposes.

    $25,000
  150. The Sidney J Weinberg Jr FoundationAlbany, NY 2022

    General purpose

    $25,000
  151. The Stainman Family Foundation IncNew York, NY 2022

    General

    $25,000
  152. The Winterburn FoundationNew York, NY 2022

    Conservation

    $25,000
  153. My Good FundSalt Lake City, UT 2022

    Various

    $20,000
  154. Keith D Stoltz FoundationMontchanin, DE 2022

    To protect land and make it available to all via projects that support the essential need for drinking water, flourishing wildlife, accessible recreation, and thriving communities.

    $20,000
  155. American Conservation Association IncNew York, NY 2022

    10k general 5k william mchenry

    $15,000
  156. Lucretius Foundation IncPalm Beach Gardens, FL 2022

    The purpose of these contributions is to provide the donee organizations to carry out their exempt functions.

    $15,000
  157. Mills Bee Lane Memorial FoundationSavannah, GA 2022

    General purpose

    $11,000
  158. Foundation MAndover, MA 2022

    General Purpose

    $10,000
  159. Advocates for Climate InnovationNew York, NY 2022

    General operating support

    $10,000
  160. Winslow FoundationWilmington, DE 2022

    General & Unrestricted

    $10,000
  161. Kaufman Family FoundationKenilworth, IL 2022

    General support

    $10,000
  162. David & Candace Weir FoundationAlbany, NY 2022

    General charitable purposes

    $5,000
  163. The JM Kaplan Fund IncNew York, NY 2022

    General operating support

    $5,000
  164. Ernst & Elfriede Frank Foundation IncNew York, NY 2022

    General charitable

    $5,000
  165. The Ralph E Ogden Foundation IncMountainville, NY 2022

    Urban growers

    $5,000
  166. Curtis W McGraw FoundationPrinceton, NJ 2022

    Unrestricted general

    $5,000
  167. Hamill Family FoundationChicago, IL 2022

    Unrestricted

    $5,000
  168. Simeon and Jean H Locke Charitable FoundationBoynton Beach, FL 2022

    Fulfill charitable purpose

    $5,000
  169. Charina Foundation Inc Richard MenschelNew York, NY 2022

    General support

    $2,500
  170. Anna-Maria and Stephen Kellen Foundation IncNew York, NY 2022

    General tax exempt purposes

    $2,500
  171. A & J Saks Foundation IncNew York, NY 2022

    Further the exempt purpose of the recipient

    $2,500
  172. The Corita Charitable Trust McGrath & Company LLPSea Girt, NJ 2022

    General support

    $2,500
  173. Reed Family Foundation IncLake Geneva, WI 2022

    General

    $2,500
  174. Burgstahler FoundationNew York, NY 2022

    Protects scenic, natural and historic landscapes to ensure public enjoyment, conserve habitat and working lands, and sustain communities.

    $2,500
  175. Henry M Blackmer Foundation IncCharleston, SC 2022

    General

    $2,000
  176. Boquet Foundation IncHockessin, DE 2022

    Land Conservation Work in the Champlain Valley

    $2,000
  177. Coastal Barrier Island FoundationStockton, CA 2022

    General support

    $2,000
  178. Stifler Family FoundationBrookline, MA 2022

    Environmental

    $1,000
  179. Strong Foundation of New YorkNew York, NY 2022

    General support

    $500
  180. The Nancy Evans Hays FoundationincGloversville, NY 2022

    Grant

    $500
  181. Shiush and Hannah Wang Family FoundFlushing, NY 2022

    Gift to school

    $300
  182. Amazonsmile FoundationSeattle, WA 2022

    General support

    $77
  183. Hegarty Family FoundationNorth Palm Beach, FL 2022

    provide support to donee organizationfor organizational expenses

    $0
  184. Lyndhurst Foundation IncChattanooga, TN 2021

    Cradle of Southern Appalachia Land Protection Fund

    $880,000
  185. Lytton-Kambara FoundationWilmington, DE 2021

    TO SUPPORT THE ON-GOING WORK OF OSI on the SHAWANGUNK RIDGE

    $425,000
  186. Head & Heart Foundation TR 12319Wilmington, DE 2021

    General support

    $250,000
  187. Rhoads Jr Jay-Environmental Fund TRPittsburgh, PA 2021

    General operating

    $200,000
  188. The William & Flora Hewlett FoundationMenlo Park, CA 2021

    For the outdoors america campaign

    $125,000
  189. The JM Kaplan Fund IncNew York, NY 2021

    Advancing forestland protection for carbon mitigation

    $100,000
  190. Shelby Cullom Davis Charitable Fund IncWilmington, DE 2021

    Hubbard Perkins Trail Improvements fund

    $100,000
  191. The Van Der Stricht FoundationNew York, NY 2021

    Organization's general

    $50,272
  192. Cloudsplitter FoundationSaranac Lake, NY 2021

    General Charitable

    $50,000
  193. Tortuga Charitable FoundationPrinceton, NJ 2021

    General charitable purposes

    $50,000
  194. Merck Family FundBoston, MA 2021

    Cradle of the appalachians equity catalyst program

    $45,000
  195. Louis and Anne Abrons Foundation IncWilmington, DE 2021

    General & Unrestricted

    $40,000
  196. Jane W Nuhn Charitable TrustPoughkeepsie, NY 2021

    Support for creation of minnewaska visitor center

    $34,000
  197. The Meier and Linnartz Family FoundationNew Canaan, CT 2021

    General support

    $30,000
  198. The Merlin FoundationBoulder, CO 2021

    General purpose

    $30,000
  199. Helen & William Mazer FoundationBerkeley Heights, NJ 2021

    Charitable purposes.

    $25,000
  200. The Sidney J Weinberg Jr FoundationAlbany, NY 2021

    General purpose

    $25,000
  201. Overhills FoundationGarden City, NY 2021

    General Support;ListTotal 30000;ListTotal 0

    $25,000
  202. The Stainman Family Foundation IncNew York, NY 2021

    General

    $25,000
  203. The Winterburn FoundationNew York, NY 2021

    Conservation

    $25,000
  204. The Ceres Foundation IncCharleston, SC 2021

    Slater project

    $25,000
  205. Pathfinder Foundation IncWilmington, DE 2021

    Conservation work in South Carolina

    $20,000
  206. American Conservation Association IncNew York, NY 2021

    10k general 5k william mchenry

    $15,000
  207. Keith D Stoltz FoundationMontchanin, DE 2021

    To protect land and make it available to all via projects that support the essential need for drinking water, flourishing wildlife, accessible recreation, and thriving communities.

    $11,000
  208. Shawangunk Valley Conservancy IncMassapequa, NY 2021

    General

    $10,750
  209. Advocates for Climate InnovationNew York, NY 2021

    General operating support

    $10,000
  210. Geraldine R Dodge Foundation IncNewark, NJ 2021

    General operating support

    $10,000
  211. Geraldine R Dodge Foundation IncNewark, NJ 2021

    Project support for work in new jersey

    $10,000
  212. The Ceres Foundation IncCharleston, SC 2021

    Work in SC

    $10,000
  213. Mills Bee Lane Memorial FoundationSavannah, GA 2021

    General purpose

    $10,000
  214. Lucretius Foundation IncPalm Beach Gardens, FL 2021

    The purpose of these contributions is to provide the donee organizations to carry out their exempt functions.

    $10,000
  215. David & Candace Weir FoundationAlbany, NY 2021

    General charitable purposes

    $5,000
  216. The JM Kaplan Fund IncNew York, NY 2021

    General operating support

    $5,000
  217. The Gunk FoundationWoodstock, NY 2021

    Land trust, general operating support

    $5,000
  218. Curtis W McGraw FoundationPrinceton, NJ 2021

    Unrestricted general

    $5,000
  219. The Topfield Foundation IncCold Spring, NY 2021

    To further donees exempt purpose

    $5,000
  220. Stephens FoundationBirmingham, AL 2021

    Support of the organization

    $5,000
  221. Burgstahler FoundationNew York, NY 2021

    Protects scenic, natural and historic landscapes to ensure public enjoyment, conserve habitat and working lands, and sustain communities.

    $5,000
  222. Kaufman Family FoundationKenilworth, IL 2021

    General support

    $5,000
  223. Elliott Badgley Foundation IncHingham, MA 2021

    General Purpose

    $2,500
  224. Charina Foundation Inc Richard MenschelNew York, NY 2021

    General support

    $2,500
  225. Anna-Maria and Stephen Kellen Foundation IncNew York, NY 2021

    General tax exempt purposes

    $2,500
  226. A & J Saks Foundation IncNew York, NY 2021

    Further the exempt purpose of the recipient

    $2,500
  227. Reed Family Foundation IncLake Geneva, WI 2021

    General

    $2,500
  228. Henry M Blackmer Foundation IncCharleston, SC 2021

    General

    $2,000
  229. Leen Foundation IncPrinceton, NJ 2021

    Unrestricted support of organization's tax exempt purpose.

    $2,000
  230. Thomas & Corinne Nyquist FoundationBainville, MT 2021

    Signs

    $1,400
  231. Lostand FoundationCold Spring, NY 2021

    General support

    $1,000
  232. Thomas F Staley FoundationEaston, PA 2021

    General contribution

    $1,000
  233. Richenthal FoundationNew York, NY 2021

    General operating purposes

    $1,000
  234. Boquet Foundation IncHockessin, DE 2021

    Conservation Work in the Champlain Valley

    $1,000
  235. Syd & Jan M Silverman Foundation IncPennington, NJ 2021

    Unrestricted general

    $1,000
  236. The Nancy Evans Hays FoundationincGloversville, NY 2021

    Grant

    $1,000
  237. Hegarty Family FoundationNorth Palm Beach, FL 2021

    provide support to donee organizationfor organizational expenses

    $500
  238. Malkin Fund IncNew York, NY 2021

    Contribution to Further Donee's Exempt Purpose

    $500
  239. The Bank of America Charitable Foundation IncCharlotte, NC 2021

    Operational support

    $500
  240. Findlay Family FoundationSalisbury, CT 2021

    Support grant

    $500
  241. The Topfield Foundation IncCold Spring, NY 2020

    To further donees exempt purpose

    $3,450,000
  242. Lyndhurst Foundation IncChattanooga, TN 2020

    Cradle of Southern Appalachia Land Protection Fund

    $440,000
  243. Lytton-Kambara FoundationWilmington, DE 2020

    to support the on-going work of OSI on the Shawangunk Ridge

    $300,000
  244. The William & Flora Hewlett FoundationMenlo Park, CA 2020

    For the outdoors america campaign

    $250,000
  245. Rhoads Jr Jay-Environmental Fund TRPittsburgh, PA 2020

    General operating

    $105,000
  246. Tortuga Charitable FoundationPrinceton, NJ 2020

    General charitable purposes

    $50,000
  247. Jane W Nuhn Charitable TrustPoughkeepsie, NY 2020

    Support for creation of minnewaska visitor center

    $33,000
  248. Overhills FoundationGarden City, NY 2020

    General Support;ListTotal 30000;ListTotal 0

    $30,000
  249. Louis and Anne Abrons Foundation IncWilmington, DE 2020

    General & Unrestricted

    $30,000
  250. The Merlin FoundationBoulder, CO 2020

    General purpose

    $30,000

Funders of similar organizations nearby

Foundations that gave to other environment organizations in New York, NY and are not among Open Space Institute Inc’s funders above.

  1. JPMorgan Chase FoundationNew York, NY 81 grants Preselected only $3,635,122 to similar organizations
  2. PatagoniaorgVentura, CA 32 grants Preselected only $469,500 to similar organizations
  3. Andrew Sabin Family FoundationEast Hampton, NY 20 grants Preselected only $96,250 to similar organizations
  4. Rockefeller Brothers Fund IncNew York, NY 45 grants Accepts applications $5,036,239 to similar organizations
  5. Lily Auchincloss Foundation IncNew York, NY 28 grants Preselected only $535,000 to similar organizations
  6. The Ford FoundationNew York, NY 53 grants Accepts applications $9,315,400 to similar organizations
  7. The Rockefeller FoundationNew York, NY 23 grants Preselected only $4,444,907 to similar organizations
  8. May and Samuel Rudin Family Foundation IncNew York, NY 33 grants Preselected only $655,500 to similar organizations

About this match

Funders write a recipient’s name and address, not its EIN. We matched these grants to EIN 52-1053406 by name and ZIP code, or by name, city and State against the IRS list of exempt organizations and our list of filers. Grants we could not tie to one organization are not counted here.