Hollfelder Foundation

The Adelaar Foundation

Scarsdale, NY

Bristol-Myers Squibb Foundation Inc

Princeton, NJ

The Bristol-Myers Squibb Foundation supports health-access initiatives for disproportionately affected populations, including cancer, blood disorders, brain health, and clinical-trial participation, in the United States and internationally. In 2024, its median grant was $134,090, though awards varied widely; it says application materials are available upon request and advises organizations to contact it about the process, but does not state whether unsolicited requests are accepted.

Henry L Guenther Foundation

Seal Beach, CA

The Henry L. Guenther Foundation funds charitable services that improve human welfare, including medical care, youth opportunities, education, housing, and humanitarian projects. Its 2024 grants ranged from $5,000 to $500,000, with a median of $25,000, and primarily benefit California residents, especially in Southern California. It accepts online applications from qualified charitable organizations serving Californians; individuals cannot apply.

Silicon Valley Community Foundation

Mountain View, CA

Silicon Valley Community Foundation funds work in areas such as housing, economic security, education, health, the environment, arts and culture, and civic engagement, with Community Action Grants supporting local, community-led organizations in San Mateo and Santa Clara counties. Its 2024 grants had a median of $51,716, though amounts varied widely; applications depend on the program, and SVCF states that it does not accept unsolicited proposals for advised funds.

California Community Foundation

Los Angeles, CA

The California Community Foundation funds work in education, health, housing, immigration, and other community needs, primarily in Los Angeles County. Its 2025 grants had a median of $50,000, though amounts varied widely; it does not accept unsolicited funding requests.

The William & Flora Hewlett Foundation

Menlo Park, CA

The William & Flora Hewlett Foundation funds education, climate and conservation, the arts, gender equity, governance, democracy, and philanthropy, with work in the San Francisco Bay Area, the U.S. West, nationally, and internationally. Its 2024 grants had a median of $150,000, though awards ranged from $50 to more than $11 million; it often provides long-term general operating support. It generally does not accept unsolicited requests, except through invited open processes.

Marin Community Foundation

Novato, CA

Marin Community Foundation funds equity-focused work, including affordable housing, homelessness, community resilience and power, and arts; its Buck Family Fund supports organizations serving Marin County, including those based elsewhere. Its 2025 grants had a median of $25,000 and ranged from $5,050 to $10 million; the profile does not state whether it accepts unsolicited requests.

Direct Relief

Santa Barbara, CA

Direct Relief funds community health centers, free and charitable clinics, educational institutions, and other organizations addressing health inequities, and provides medical supplies for healthcare facilities serving underserved communities and people affected by emergencies. Its 2025 grants ranged from $5,500 to $4.34 million, with a median of $100,000, supporting work across the U.S. and more than 80 countries. The available information does not state whether it accepts unsolicited grant requests.

Conrad N Hilton Foundation

Westlake Village, CA

The Conrad N. Hilton Foundation funds nonprofits working to improve lives and alleviate poverty, with initiatives including early childhood development, homelessness, refugees, safe water, and support for foster and opportunity youth. Its work is global, and its 2024 grants had a median award of $76,000. It generally does not accept unsolicited requests, except through its Good Neighbor Program for eligible local nonprofits and Title 1 schools.

The San Diego Foundation

San Diego, CA

The San Diego Foundation supports nonprofits advancing racial and social justice, equity of opportunity, and resilient communities, with grants for projects, capacity building, or general support. Its 2025 itemized grants had a median of $25,000, with awards ranging from $5,100 to nearly $5 million; it generally funds organizations serving San Diego County residents, though some grants reach beyond the county. Applications are made through posted funding opportunities, and the profile does not state whether unsolicited requests are accepted.

The California Endowment

Los Angeles, CA

The California Endowment funds health and racial equity, including health care access, community health, organizing, and policy change, primarily in California. Its 2024 grants had a median of $100,000, though amounts varied widely; it does not accept unsolicited requests and funds preselected organizations only.

Kaiser Foundation Hospitals

Oakland, CA

Kaiser Foundation Hospitals supports community health, health-care access, and efforts addressing health inequities, including mental and behavioral health, housing, and employment. Its 2024 grants had a median of $25,000, with most grant dollars going to California; Southern California grants focus on its 14 service areas. For Southern California regional grants, unsolicited letters of inquiry and proposals are not accepted; other application routes described include invited inquiries and open event sponsorship applications.