Harp Foundation

The Lewis Greenwood Foundation

Newbury Park, CA

The Lewis Greenwood Foundation supports a broad range of charitable work, including youth, religious and educational activities, family and community services, environmental efforts, food assistance, and housing. Its 2024 grants ranged from $1,000 to $25,000, with a median of $5,000, and went mostly to California organizations as well as recipients in several other states. It accepts written requests with supporting documentation, capped at $25,000; the stated deadline is October 31.

The Helen and Jose Colton Foundation

Los Angeles, CA

The Helen and Jose Colton Foundation supports a range of charitable work, including emergency services, animal rescue, health care, disability services, housing, and the arts. In 2025, its 37 grants ranged from $500 to $46,600, with a median of $5,000, and went mainly to organizations in California, Colorado, and Washington. It funds only preselected organizations and does not accept unsolicited requests.

Carmel M and John G Whitman Foundation

Ventura, CA

The Wood-Claeyssens Foundation

Santa Barbara, CA

The Wood-Claeyssens Foundation supports basic needs and social services, as well as cultural arts, veterans’ groups, healthcare, education, and other community programs. It primarily funds organizations serving Santa Barbara and Ventura counties, with 2025 grants ranging from $5,000 to $1 million and a median of $30,000. It accepts applications by invitation only from qualified 501(c)(3) organizations.

Finch Family Foundation

Pasadena, CA

The Finch Family Foundation supports education, conservation, disability services, disaster relief, and youth and agricultural education, including general operating support and designated programs. In 2024, grants ranged from $1,000 to $35,000, with a median of $10,000, and went mainly to organizations in California, Utah, Virginia, Colorado, and Iowa. It funds only preselected charities and does not accept unsolicited requests.

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.

Tides Foundation

San Francisco, CA

Tides Foundation funds community-led organizations advancing equity and justice, including work on health, climate, gender equity, democracy, and immigrant communities. Its 2024 grants had a median of $50,000, though amounts varied widely, and it funds eligible organizations in the U.S. and abroad, with the most grant dollars going to California, New York, and Washington, D.C. Some programs are open or invitation-only; the Advancing Girls Fund is listed as open, but the profile does not state a general policy on unsolicited grant requests.

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.

Sempra Foundation

San Diego, CA

The Sempra Foundation funds climate action and resilience, inclusion, economic empowerment and workforce development, community engagement, and disaster preparedness in communities where Sempra employees live and work, including California, Texas, Washington, D.C., and Mexico. In 2024, grants ranged from $4 to $100,000, with a median of $260. It awards grants by invitation only and does not accept unsolicited requests.

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.

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.