funder logo

HAROLD KL CASTLE FOUNDATION

HAROLD KL CASTLE FOUNDATION

Kailua, HI, US
501(c)3
EIN
99-6005445
Open for Solicitation
Private Foundation
Regional Funder
funder logo

HAROLD KL CASTLE FOUNDATION

Kailua, HI, US
501(c)3
EIN
99-6005445
Open for Solicitation
Private Foundation
Regional Funder

Overview

Sign up for

Fiscal Year Start

Jan 1

Organization Type

funder logo
Grantmaker
AI Summary
Was this helpful?

The Harold KL Castle Foundation is a 501(c)3 organization that has paid out a total of $6.7 million in grants to 139 grantees in 2024, with significant funding directed to Hawaii, Virginia, and California. The foundation is currently open for unsolicited proposals, inviting prospective applicants to review the 'How to Apply' section of their profile page to determine eligibility and fit for funding.

Total Funding Given

$6.7M

2024
Grantees funded
139
Multi-year grantees
51%
Funding by Year
Evaluate your own portfolio
Understand the health of your own grantees and uncover signs of risk.
plg-image
plg-image
Evaluate your own portfolio
Understand the health of your own grantees and uncover signs of risk.
Total No. of Grants

108

Median 1st year grant
$40K
Median 2nd year grant
$50K
Top 3 Grants
Matched grants only
Grantee
Grant Size
T
Terrence R George
Board Member
A
Ann S Matsukado
Board Member
S
Susan L Sumida
Board Member

Frequently Asked Questions

Can I submit an unsolicited grant proposal to HAROLD KL CASTLE FOUNDATION?
Yes. HAROLD KL CASTLE FOUNDATION accepts unsolicited proposals for funding. You can find details in the How to Apply section on this profile or by visiting their website.
Where does HAROLD KL CASTLE FOUNDATION give?
HAROLD KL CASTLE FOUNDATION primarily gives to organizations located in Hawaii, Virginia, and California. These states represent the largest share of the foundation’s grantmaking by dollars awarded. Additional geographic details are available to registered users.
What size are HAROLD KL CASTLE FOUNDATION’s grants?
The largest share of grants from HAROLD KL CASTLE FOUNDATION fall in the $5,000 to $25 thousand range. The median first-year grant is about $40 thousand. More detailed grant size data is available to registered users.
How many grants does HAROLD KL CASTLE FOUNDATION make each year?
In 2024, HAROLD KL CASTLE FOUNDATION awarded about 110 grants, totaling nearly $6.7 million. More detailed grant metrics are available to registered users.
Who did HAROLD KL CASTLE FOUNDATION fund recently?
In 2024, HAROLD KL CASTLE FOUNDATION awarded grants to about 140 grantees. Recent grantees include UNIVERSITY OF HAWAII FOUNDATION, HAWAII COMMUNITY FOUNDATION, and THE NATURE CONSERVANCY. More detailed information on all recent recipients is available to registered users.
How do we apply to HAROLD KL CASTLE FOUNDATION?
You can find details on how to apply in the How to Apply section on this profile or by visiting HAROLD KL CASTLE FOUNDATION’s website.
Overview
Copyright 2026. All rights reserved to Chario Inc. (d.b.a. Impala)