Mission
To distribute amounts to certain charitable organizations
Public Charity
The Waterhouse Charitable Trust
The Waterhouse Charitable Trust is a private foundation categorized as Public Charity based in Honolulu, HI. Its most recent IRS filing (2025) reports revenue of $709K, expenses of $4.0M, total assets of $39.6M. Imperigo tracks 45 reported grants from this foundation totaling approximately $23.4M.
EIN: 996086871
Honolulu, HI
Philanthropy, Voluntarism & Grantmaking Foundations N.E.C.
NTEE: T99
Latest filing: 2025
Total Revenue$709K
Total Expenses$4.0M
Total Assets$39.6M
Grants Given45
Grant Total$23.4M
Filing Years2021–2025
Where $100 goes at The Waterhouse Charitable Trust
How The Waterhouse Charitable Trust divides every $100 it spends, from its own Form 990 filings, averaged across 9 years.
$87
Programs
the work itself
$13
Management
running the organization
$0
Fundraising
none reported
No fundraising costs are reported. That often means fundraising runs through a separate affiliated organization that files its own return.
Inside the $87 for programs
$87
During the year, the Trust made grant distributions to the five charitable organizations that it was established to support
Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.
Before you apply to The Waterhouse Charitable Trust
Who to contact, what to include, deadlines, typical grant size and geographic focus are available with membership.
Sample Grants Given
Community based social services
$1,400,000
Support school football program
$1,133,063
Support school swim program
$400,000
The Waialae Baptist Church
Support church lecture series
$298,200
Support school scholarships
$92,000
Showing up to 5 of 45 total records — full history available with membership.
Officers & Directors
Co-Trustee
Stanley Y Mukai
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $709K | $4.0M | $39.6M |
| 2024 | $3.3M | $3.7M | $41.6M |
| 2023 | $351K | $3.7M | $41.6M |
| 2022 | $40K | $3.9M | $44.6M |
| 2021 | $16.2M | $3.1M | $48.8M |
Between 2021 and 2025, reported annual revenue declined from $16.2M to $709K (-96%), with total assets most recently reported at $39.6M.
Interactive year-over-year charts and full filing details available with membership.
Grant Geography
Grants from this foundation were reported to recipients in HI, NM.
HINM
Full geographic grant map with state-by-state breakdown available with membership.