Home / Hawaii / Harold Kl Castle Foundation

Harold Kl Castle Foundation

Grantmaking profile built from public IRS Form 990 filings.

LocationKailua, Hawaii
Grants on file791
Total giving on file$58.3M
Typical grant size$74K
Most recent filing year2025

What they fund

  • "BUILDING HAWAII TOGETHER" SKILLED TRADES PROJECT TO INCREASE PARTICIPATION IN CARPENTRY, PLUMBING, ELECTRICAL, PAINTING AND ROOFING [5984; PC]
  • 2019 HAWAII EXECUTIVE CONFERENCE [4774; PC]
  • A FINAL BRIDGE GRANT TO SUPPORT WINDWARD COMMUNITY COLLEGE UK FOOTHOLDS SHAKESPEARE STUDY ABROAD PROGRAM [5832; PC]
  • A ONE-TIME GRANT IN SUPPORT OF SEEQS PUBLIC CHARTER SCHOOL TO ESTABLISH THE "SEEQS SHARING HUB" AS A CENTER OF PROFESSIONAL DEVELOPMENT AND COMMUNITY CONNECTION. [6406;PC]
  • ACCELERATING HAWAI'I YOUTH TOWARDS A BRIGHT FUTURE: BUILDING THE INNOVATION ECONOMY FROM WITHIN [4897; PC]

Largest recipients on file

RecipientStateGrantsTotal
University of Hawaii FoundationHI91$11.9M
Hawaii Community Foundation (Hcf)HI38$8.2M
The Nature Conservancy of HawaiiHI9$2.9M
Kuaaina Ulu Auamo (Kua)HI8$2.6M
50CanDC12$1.3M
Resources Legacy FundCA17$931K
Teach for America (Tfa)HI11$920K
Social Finance IncMA3$850K
Bobby Benson CenterHI4$820K
Pilina Education AllianceHI7$800K

See more foundations in Hawaii.

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