Harold K L Castle Foundation
501(c)(3) Donations tax-deductible
Only null% goes to programs Strong reserves Declining revenue
Harold K L Castle Foundation is a 501(c)(3) organization based in Kailua, Hawaii, registered in 1964, with $8,283,293 in FY2024 revenue. CharityIndex grades it D.
1197 Auloa Rd, Kailua, HI, 96734 EIN 99-6005445 Since 1964
Revenue (FY2024)
$8.3M
▼ 26.9% vs prior year
Expenses (FY2024)
$10.6M
Net assets
$171.0M
Employees
—
CharityIndex rating
One independent A+ to F grade from four published criteria, each scored separately from IRS filings and combined by weight.
D
—Program efficiency40% of the ratingNo expense breakdown in filings
Measures how much of every dollar spent actually reaches programs, plus what it costs to raise $100 of donations. The worse of the two measures sets the letter (85%+ to programs is an A; under $15 to raise $100 is an A), averaged over the three most recent filings. Not scored for Harold K L Castle Foundation— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
DFinancial health25% of the rating193 mo reserves · -28% margin
Measures whether the organization is built to last: how many months its reserves would cover expenses (3+ months earns an A-range score, but hoarding 5+ years of budget is capped) and whether it runs a surplus or a deficit. For Harold K L Castle Foundation: 193 mo reserves · -28% margin earns a D on this criterion. See the exact thresholds →
—Governance25% of the ratingNot reported in this filing type
Checks how the organization is run, from its own Form 990: an independent board majority, a board of five or more, conflict-of-interest, whistleblower and document-retention policies, and independently audited financials. The share of disclosed checks that pass sets the letter. Not scored for Harold K L Castle Foundation— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
CTransparency10% of the rating2 of 5 disclosure signals
Counts five disclosure signals: a recent filing, a mission statement, program descriptions, a listed website, and the full expense breakdown. More disclosure, better letter. For Harold K L Castle Foundation: 2 of 5 disclosure signals earns a C on this criterion. See the exact thresholds →
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Contact & location
Financial trends
Revenue grew from $7.5M (FY2020) to $8.3M (FY2024) across 5 reported years.
Financial snapshot
Financial health & position (FY2024)
Liabilities $329KNet assets $171.0M
Operating margin
-28.3%
Spent more than it raised in the latest fiscal year.
Total assets
$171.3M
Total liabilities
$329K
Net assets
$171.0M
Financials by year
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2024 | $8,283,293▼26.9% | $10,627,064▼2.3% | $170,966,544▼1.4% | $171,295,453▼1.3% | 990PF |
| 2023 | $11,327,617▲39.4% | $10,879,744▼3.3% | $173,310,297▲0.2% | $173,491,448▲0.3% | 990PF |
| 2022 | $8,125,647▼55.5% | $11,246,442▲4.9% | $172,935,206▼1.9% | $173,044,264▼2.2% | 990PF |
| 2021 | $18,251,388▲145% | $10,723,568▼1.9% | $176,330,969▲4.5% | $177,025,059▲4.6% | 990PF |
| 2020 | $7,463,574 | $10,925,699 | $168,773,612 | $169,285,564 | 990PF |
Original Form 990 PDFs (the Form column) are served by ProPublica Nonprofit Explorer, as filed with the IRS. Create a free account to download the CSV report.
Frequently asked questions
- Is Harold K L Castle Foundation a legitimate nonprofit?
- Yes. Harold K L Castle Foundation is a 501(c)(3) organization registered with the U.S. Internal Revenue Service under EIN 99-6005445, based in Kailua, Hawaii. Donations are tax-deductible.
- What is Harold K L Castle Foundation's EIN?
- Harold K L Castle Foundation's Employer Identification Number (EIN) is 99-6005445.
- How much revenue does Harold K L Castle Foundation report?
- Harold K L Castle Foundation reported $8,283,293 in total revenue on its fiscal year 2024 IRS Form 990 filing.
- What financial grade does Harold K L Castle Foundation have?
- CharityIndex grades Harold K L Castle Foundation D, based on financial health (reserves and operating margin).
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Data for Harold K L Castle Foundation (EIN 99-6005445) comes from the IRS Business Master File and e-filed Form 990 returns, via CharityIndex. Figures reflect what the organization reported to the IRS for each fiscal year.