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HI

Harold K.L. Castle Foundation Strengthening Windward Oahu Communities Grants

Foundation grants for nonprofits and public schools strengthening Windward Oahu communities, including Kailua.

About this program

The Harold K.L. Castle Foundation, based in Kailua, funds nonprofit organizations and public schools working in strategic priority areas including strengthening Windward Oahu communities. Grants support community resilience, local leadership, education, culture, environment, and place-based initiatives that benefit Windward Oahu residents.

Eligibility

501(c)(3) public charities and public schools serving Hawaii, especially Windward Oahu, aligned with Castle Foundation priorities.

Requirements

  • Align with a Castle Foundation strategic priority
  • Submit materials through the foundation's grant process
  • Provide nonprofit or school documentation, budget, outcomes, and reports