Mac Millan Family Foundation Inc

Dome Construction Foundation

South San Francisco, CA

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.

Kieve Foundation

Los Gatos, CA

Kieve Foundation supports animal welfare and rescue, hunger relief, community projects, and other causes. Its 2025 grants ranged from $500 to $100,000, with a median of $5,000; most funding went to California, with smaller amounts elsewhere in the U.S. The foundation has no prescribed application format or deadline and does not restrict awards to preselected organizations.

The Milligan Family Foundation

Oakland, CA

The Milligan Family Foundation’s 2019 grants supported education, hunger relief, arts, science, youth development, public media, and conservation, mostly in California. It made 71 grants totaling $272,450, ranging from $100 to $25,000, with a median of $1,000; its 2019 filing says it funded only preselected organizations and did not accept unsolicited requests.

California Community Foundation

Los Angeles, CA

The California Community Foundation supports nonprofits through discretionary and donor-directed grants, with discretionary priorities including education, health, housing and immigration, alongside other areas such as arts, civic engagement and economic opportunity. Its 2025 grants had a median of $50,000, and its work is focused on Los Angeles County; prospective discretionary applicants are asked to contact the relevant program officer before submitting a letter of intent.

The William & Flora Hewlett Foundation

Menlo Park, CA

The William & Flora Hewlett Foundation funds education, climate and conservation, the arts, democracy, gender equity, racial justice, and efforts to strengthen nonprofits and philanthropy, with work spanning the San Francisco Bay Area, the U.S. West, and locations including East and West Africa and Mexico. Its 2024 grants had a median award of $150,000, though amounts varied widely. It generally does not accept unsolicited requests, but sometimes invites proposals through open processes.

Marin Community Foundation

Novato, CA

Marin Community Foundation funds work in affordable housing and homelessness, community resilience and power, as well as social services, education, arts and conservation, with a focus on marginalized Marin County residents and some broader U.S. and international grantmaking. Its 2025 grants had a median of $25,000, though amounts varied widely. The profile does not state whether it accepts unsolicited requests.

Direct Relief

Santa Barbara, CA

Direct Relief supports healthcare providers serving people affected by poverty or emergencies, including community health centers, clinics, and grassroots organizations, with medicines, supplies, and funding for health access and equity. In 2025, its grants had a median award of about $65,000, and its work spans all 50 U.S. states and countries around the world; the profile does not state whether it accepts unsolicited 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 funds nonprofit work in family well-being, education, the environment, and housing, including projects, capacity building, and general support that advance equity and resilient communities. Its 2025 grants had a median of $25,000, though amounts varied widely; applicants generally must be located in San Diego County and primarily serve county residents. It offers competitive grant opportunities through its online portal, but the profile does not state whether it accepts unsolicited requests.

The California Endowment

Los Angeles, CA

The California Endowment funds nonprofit, government, and eligible faith-based organizations working to advance health and racial equity, strengthen community power, and improve health systems and communities, primarily in California. Its 2024 median grant was $100,000, and funding is by invitation only; it does not accept unsolicited requests.

Kaiser Foundation Hospitals

Oakland, CA

Kaiser Foundation Hospitals funds health care access and services, community health, health education, and related work, with priorities including mental and behavioral health, housing, and income and employment. Its 2024 grants had a median of $25,000, though amounts varied widely; most grant dollars went to California, with some going elsewhere. In Southern California, it says it does not accept unsolicited letters of inquiry or proposals and awards grants through competitive processes to pre-identified organizations.