Mission
THE LEONARD AND BERYL BUCK FOUNDATION IS A CHARITABLE TRUST THAT WAS ESTABLISHED IN 1979 TO DISTRIBUTE FUNDS FOR NON-PROFIT CHARITABLE, RELIGIOUS OR EDUCATIONAL ACTIVITIES IN MARIN COUNTY, CALIFORNIA.
Public Charity
LEONARD & BERYL BUCK FOUNDATION C/O WELLS FARGO BANK
Based in SAINT LOUIS, MO, LEONARD & BERYL BUCK FOUNDATION C/O WELLS FARGO BANK operates as a Public Charity. The organization reported $62.8M in revenue, $42.6M in expenses, $1.1B in total assets for fiscal year 2025. Imperigo tracks 942 reported grants from this foundation totaling approximately $286.6M.
EIN: 946485668
SAINT LOUIS, MO
Named Trusts N.E.C.
NTEE: T90
Latest filing: 2025
Total Revenue$62.8M
Total Expenses$42.6M
Total Assets$1.1B
Grants Given942
Grant Total$286.6M
Filing Years2021–2025
Where $100 goes at Leonard & Beryl Buck Foundation C/O Wells Fargo Bank
How Leonard & Beryl Buck Foundation C/O Wells Fargo Bank divides every $100 it spends, from its own Form 990 filings, averaged across 9 years.
$97
Programs
the work itself
$3
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 $97 for programs
$97
Wells fargo bank ("wfb"), as investment trustee, administers the trust and manages the trust's investments
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 Leonard & Beryl Buck Foundation C/O Wells Fargo Bank
Who to contact, what to include, deadlines, typical grant size and geographic focus are available with membership.
Sample Grants Given
BUCK FOUNDATION MAJOR PROJECTS
$7,675,008
PROVIDE GENERAL OPERATING SUPPORT IN MARIN
$3,000,000
BUCK FOUNDATION MAJOR PROJECTS
$1,535,002
PROVIDE GENERAL OPERATING SUPPORT IN MARIN
$1,200,000
BUCK FOUNDATION MAJOR PROJECTS
$1,023,334
Showing up to 5 of 942 total records — full history available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $62.8M | $42.6M | $1.1B |
| 2024 | $57.4M | $75.8M | $1.1B |
| 2023 | $62.1M | $55.3M | $1.1B |
| 2022 | $55.7M | $44.5M | $1.0B |
| 2021 | $49.5M | $56.1M | $1.2B |
Between 2021 and 2025, reported annual revenue grew from $49.5M to $62.8M (+27%), with total assets most recently reported at $1.1B.
Interactive year-over-year charts and full filing details available with membership.
Grant Geography
Grants from this foundation were reported to recipients in CA, DC, MA, MD, NY.
CADCMAMDNY
Full geographic grant map with state-by-state breakdown available with membership.