Private foundation · EIN 94-3163451 · Castro Valley, California

Mbk Foundation

Should you approach them?

Don't send a cold proposal. The foundation reports that it only gives to preselected organizations; an introduction through a current grantee or board member is the realistic route.

From the 2025 Form 990-PF: 21 grants paid, $100K total, median $3,000. 14% of grants stayed in California.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
21
$100K
Median grant
$3,000
Stays in CA
14%
of grants
Deadline
—
Assets
$1.8M

Grants paid in 2025

21 grants, all shown · from Form 990-PF Part XV

RecipientPurposeAmount
ALS Therapy Development InstituteWatertown, MADonation to support research of effective treatments for als (lou gehrig's) disease.$18K
University of Arizona - Bio5 Keys Internship ProgramTucson, AZDonation to support summer internship program for students.$15K
Education Through Music ColoradoDenver, CODonation to support music programs to underserved communities.$11K
Big Sky BraveryBelgrade, MTDonation to support post deployment decompression programs for special ops forces.$6,400
The Campanile FoundationSan Diego, CADonation to support naval rotc scholarships.$6,000
University of Arizona - Bio5 Keys Internship ProgramTucson, AZDonation to support summer internship program for students.$5,000
University of Arizona - College of Social & Behavioral SciencesTucson, AZDonation to support manzo school garden program.$5,000
University of San Diego Accounting Devel FundSan Diego, CADonation to support accounting dept scholarships.$5,000
Kappa Sigma Educational FoundationOro Valley, AZDonation to support educaitonal scholarships and grants.$4,400
Yellowstone ForeverBozeman, MTDonation to protect, preserve and enhance yellowstone national park.$4,400
Seacoast ChurchMount Pleasant, SCDonation to support those in pain find healing and clarity through the counseling center.$3,000
Shanel Valley AcademyHopland, CADonation to support the charter school restoring local access to education to families.$3,000
Warriors of Quiet WatersBozeman, MTDonation to support post 9/11 combat veterans and their loved ones.$3,000
Colorado Coalition for the HomelessDenver, CODonation to support people achieving & maintaning housing stability.$2,500
K9 for WarriorsPonte Vedra, FLDonation to support training of service dogs for veterans suffering ptst, tbo and/or mst.$2,500
Avian Conservation CenterCharleston, SCDonation to support medical care for injured birds and shorebirds.$2,000
Heart of the Valley Animal ShelterBozeman, MTDonation to support shelter for animals.$1,800
University of Arizona - College of Science Admin Galilio Circle ProgramTucson, AZDonation to support scholarships to undergrad and grad students.$1,000
Wounded Warrior ProjectJacksonville, FLEmpowering post-9/11 veterans, service members and their families to thrive$800
Ability Dogs of ArizonaTucson, AZDonation to support specialized training for people and their dogs to enhance quality of life.$200
Humane Society of Southern ArizonaTucson, AZDonation to support shelter for animals.$200

By state: Arizona 7 · Massachusetts 1 · Montana 4 · California 3 · Colorado 2 · South Carolina 2

About this foundation

Mbk Foundation is a private grantmaking foundation in Castro Valley, California, administered in care of Thomas W Keating, tax-exempt since 1993. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.

All filings on ProPublica

Does Mbk Foundation accept grant applications?

No. On its 2025 Form 990-PF the foundation checked that it only makes contributions to preselected organizations. Look for an introduction through a current grantee.

How much does Mbk Foundation give each year?

In tax year 2025 it paid $100K across 21 grants, a median of $3,000.

Where does Mbk Foundation give?

Arizona (7 grants), Massachusetts (1 grants), Montana (4 grants) and elsewhere, per its latest filing.

More foundations near Castro Valley that accept applications

All in California
FoundationBased inGrants paidMedian grantAccepts applicationsAssets
Pamela and Richard Rigg Foundationsince 2011 Castro Valley, CA $100K1 grants · 2025 $100KPreselected only $2.7M
William & Flora Hewlett Foundationsince 1968 Menlo Park, CA $625M2,001 grants · 2024 $150KYes $13B
Sergey Brin Family Foundationsince 2015 San Francisco, CA $699M170 grants · 2024 $1.0MPreselected only $4.1B
Gordon E and Betty I Moore Foundationsince 2001 Palo Alto, CA $403M920 grants · 2024 $200KPreselected only $8.8B
David and Lucile Packard Foundationsince 1964 Los Altos, CA $350M1,029 grants · 2024 $150KYes $8.3B
Good Ventures Foundationsince 2013 Palo Alto, CA $307M565 grants · 2024 $154KPreselected only $5.9B
The California Endowmentsince 1996 Los Angeles, CA $141M845 grants · 2024 $100KPreselected only $4.3B
The Eric and Wendy Schmidt Fund for Strategic Innovationsince 2014 Palo Alto, CA $244M379 grants · 2024 $100KPreselected only $1.4B
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