Hagop J & Sonia L Koujakian Foundation

Mina & Hacob Shirvanian Family

Glendale, CA

Omidyar Network Fund Inc

Redwood City, CA

Omidyar Network Fund supports work on technology and society, including responsible technology, public-interest governance, worker power, civic infrastructure, research, journalism, and policy. In 2024, grants ranged from $1,000 to $1.25 million, with a median of $100,000; giving was concentrated in Washington, DC, New York, and California, with some international support. It generally funds preselected charities and does not accept unsolicited requests, though its Tech Journalism Fund accepts proposals for U.S.-based reporting projects.

Akiyama Family Foundation

San Carlos, CA

The Akiyama Family Foundation supports charitable organizations in areas including education, arts and culture, parks, medicine, and public broadcasting, with most of its giving going to California organizations. In 2024, grants ranged from $59 to $10,000, with a median of $1,000. It does not accept unsolicited requests and gives only to preselected organizations.

Pirzada Family Foundation

Fremont, CA

Massie Family Charitable Trust 1

St. Louis, MO

Pogosyan Care Foundation

Glendale, 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.

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.