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Nonprofit · EIN 94-6485668

LEONARD & BERYL BUCK FOUNDATION

Tax-exempt · SAINT LOUIS, MO 63166

Financials

$62.1M$55.3M2022$57.4M$75.8M2023$62.8M$42.6M2024
Revenue Expenses · by fiscal year end
Financials of LEONARD & BERYL BUCK FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990$62,821,444$42,648,171$20,173,273$1,133,444,734$27,726,801$1,105,717,933
June 30, 2024990$57,449,073$75,754,621-$18,305,548$1,083,408,528$38,223,986$1,045,184,542
June 30, 2023990$62,145,543$55,257,405$6,888,138$1,056,902,471$16,856,414$1,040,046,057
Financial details: 990 for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$0
Program service revenue
$0
Investment income
$62,821,444
Net gain from sales of assets
-$4,927,850
Other revenue
$0

Expenses

Grants and similar amounts paid
$27,710,613
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Legal fees
$83,770
Accounting fees
$413,634
Program services (functional)
$40,687,739
Management and general (functional)
$1,960,432

Balance sheet and other

Total assets, start of year
$1,083,408,528
Total assets, end of year
$1,133,444,734
Total liabilities, end of year
$27,726,801
Net assets, end of year
$1,105,717,933
Publicly traded securities
$492,101,478
Net assets without donor restrictions
$1,105,717,933
Gross unrelated business income
$3,726,213
Gross receipts
$292,307,444
Employees
0
Volunteers
0
Year formed
1979
State of legal domicile
CA

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended June 30, 2025, highest compensation first.

NameTitleHours / weekCompensation
WELLS FARGO BANK NAINVESTMENT TRUSTEE
Institutional trustee
10$0
MARIN COMMUNITY FOUNDATIONDISTRIBUTION TRUSTEE
Institutional trustee
10$0
990 for the year ended June 30, 2024: 2 people
NameTitleHours / weekCompensation
WELLS FARGO BANK NAINVESTMENT TRUSTEE
Institutional trustee
10$0
MARIN COMMUNITY FOUNDATIONDISTRIBUTION TRUSTEE
Institutional trustee
10$0
990 for the year ended June 30, 2023: 2 people
NameTitleHours / weekCompensation
WELLS FARGO BANK NAINVESTMENT TRUSTEE
Institutional trustee
10$0
MARIN COMMUNITY FOUNDATIONDISTRIBUTION TRUSTEE
Institutional trustee
10$0

Address and contacts

Address (IRS master file)
PO BOX 505, SAINT LOUIS, MO 63166-0505
In care of
% WELLS FARGO BANK
Principal officer (990 for 2024)
WELLS FARGO BANK NA, PO BOX 505 MAC H0006-092, SAINT LOUIS, MO 63166
Signed the 990
MAGGIE M BASU, FIDUCIARY
Phone
(704) 590-2828
Return prepared by
ARMANINO ADVISORY LLC

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.

990 for the year ended June 30, 2025

Program accomplishments

  • WELLS FARGO BANK ("WFB"), AS INVESTMENT TRUSTEE, ADMINISTERS THE TRUST AND MANAGES THE TRUST'S INVESTMENTS. AS REQUIRED BY THE COURT ORDERS, THE INVESTMENT TRUSTEE MADE DIRECT DISTRIBUTIONS TO THE BUCK INSTITUTE FOR RESEARCH ON AGING, ALCOHOL JUSTICE, AND THE BUCK INSTITUTE FOR EDUCATION (DBA PBL WORKS), WHICH TOTALED IN THE AMOUNT OF $10,233,343 FOR THE 2025 FISCAL YEAR. MARIN COMMUNITY FOUNDATION ("MCF"), AS DISTRIBUTION TRUSTEE, DISTRIBUTED TRUST FUNDS TO CHARITABLE RECIPIENTS, WHICH TOTALED IN THE AMOUNT OF $17,477,270 FOR THE 2025 FISCAL YEAR. GRANTS BY THE DISTRIBUTION TRUSTEE WERE MADE THROUGHOUT MARIN COUNTY TO SUPPORT MCF'S FOUR STRATEGIC INITATIVES, AS WELL AS THE NINE COMMUNITY GRANT AREAS.(CONTINUED ON SCHEDULE O)THE STRATEGIC INITIATIVES ARE: CLOSING THE EDUCATIONAL ACHIEVEMENT GAP, DEVELOPING AFFORDABLE HOUSING, INCREASING THE ECONOMIC SECURITY AND UPWARD MOBILITY OF POOR AND LOW-INCOME INDIVIDUALS AND FAMILIES, AND ACTING AS A CATALYST FOR CHANGE IN EFFORTS TO REDUCE THE ENVIRONMENTAL IMPACTS OF CLIMATE CHANGE. ISSUE AREAS BEING SUPPORTED UNDER THE COMMUNITY GRANTS AREAS ARE IMMIGRANT INTEGRATION, SERVICES FOR OLDER ADULTS, COMMUNITY HEALTH, LEGAL SERVICES, ARTS EDUCATION AND COMMUNITY ARTS, SOCIAL JUSTICE, AND ACCESS TO PARKS AND OPEN SPACE.
    Expenses $40,687,739 · grants $27,710,613

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990 on file
2023June 30, 2024November 15, 2024990 on file

IRS record

EIN
94-6485668
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Supporting organization (509(a)(3))
Donations deductible (Pub 78)
Supporting organization of unknown type
Exempt since
1980
Accounting year ends
June
Files
Form 990 or 990-EZ
Assets (IRS master file)
$1,133,444,734
Income (IRS master file)
$292,307,444

Filing history

FormYear endedRevenueExpensesAssetsReturn
990June 2025$62,821,444$42,648,171$1,133,444,734IRS
990-TJune 2025–––IRS
990June 2024$57,449,073$75,754,621$1,083,408,528IRS
990-TJune 2024–––IRS
990June 2023$62,145,543$55,257,405$1,056,902,471XML
990-TJune 2023–––IRS
990June 2022$55,717,446$44,490,973$1,041,465,445IRS
990-TJune 2022–––IRS
990June 2021–––IRS
990-TJune 2021–––IRS
990June 2020–––IRS
990June 2019–––IRS
990June 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 94-6485668).

Questions about LEONARD & BERYL BUCK FOUNDATION

What is the EIN of LEONARD & BERYL BUCK FOUNDATION?
The employer identification number (EIN) of LEONARD & BERYL BUCK FOUNDATION is 94-6485668.
Is LEONARD & BERYL BUCK FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1980.
Are donations to LEONARD & BERYL BUCK FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Supporting organization of unknown type).
Which annual return does LEONARD & BERYL BUCK FOUNDATION file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of LEONARD & BERYL BUCK FOUNDATION due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did LEONARD & BERYL BUCK FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended June 2025.
Who is the principal officer of LEONARD & BERYL BUCK FOUNDATION?
The 990 for the year ended June 30, 2025 names WELLS FARGO BANK NA.
Who are the officers and directors of LEONARD & BERYL BUCK FOUNDATION?
The 990 for the year ended June 30, 2025 lists 2 people; 0 received compensation from the organization.
How much revenue does LEONARD & BERYL BUCK FOUNDATION have?
On its 990 for the year ended June 30, 2025 it reported revenue of $62,821,444, expenses of $42,648,171 and total assets of $1,133,444,734 at year end.

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