Overflow Foundation

Bella Vista Foundation

San Francisco, CA

Bella Vista Foundation funds nonprofits working on family resilience, early literacy, youth mental health and substance-use prevention, and watershed restoration; its 2024 grants ranged from $500 to $120,000, with a median of $35,000. Its stated geographic areas include Marin and San Francisco counties for early literacy, and specified watersheds in California and Oregon for restoration; it does not accept unsolicited requests.

Ralph & Marsha Guggenheim Family

San Francisco, CA

The Ralph & Marsha Guggenheim Family supports a range of charitable organizations, including those in film, religious life, arts, education, food assistance, and public media, with most funding going to California. Its 2025 grants ranged from $50 to $40,000, with a median of $500. It funds only preselected organizations and does not accept unsolicited requests.

Humanity United

San Francisco, CA

Humanity United funds systemic-change work in forced labor and human trafficking, peacebuilding, racial justice and equity, and public engagement, including journalism and policy work. It works globally, typically gives about $150,000, and reports annual grantmaking of roughly $18 million to $20 million. Requests are by invitation only; it does not accept unsolicited proposals, though its Asia-Pacific Seafood Supply Chains team accepts limited inquiries for closely aligned work.

Dome Construction Foundation

South San Francisco, CA

Dome Construction Foundation supports nonprofits focused on community well-being, underserved youth, and diversity and workforce development in construction, along with areas such as housing, food access, health, the environment, and animal welfare. Its 2025 grants ranged from $15 to $46,903, with a median of $730; most funding went to California, particularly communities where employees live and work. It funds only preselected organizations and does not accept unsolicited requests.

McNabb Foundation

Wilmington, DE

The McNabb Foundation’s website describes support for behavioral health and social services in East Tennessee, while its 2024 grants went to organizations with varied missions, mostly in California. Grants ranged from $500 to $5,000, with a median of $1,000. It does not accept unsolicited requests and gives only to preselected charitable organizations.

Berenice Roth Spalding Foundation

Novato, CA

The Edward R and Elizabeth a Kozel

Arvada, CO

Perkins Hunter Foundation

Chicago, IL

The Perkins Hunter Foundation’s 2025 grants supported organizations working in areas such as poverty solutions, health care, education, media, civic engagement, and environmental and community rights, with most grant dollars going to California recipients. Grants ranged from $500 to $125,000, with a median of $10,000. It contributes only to preselected organizations and does not accept unsolicited requests.

Jewish Community Federation of San

San Francisco, CA

Jewish Federation Bay Area funds programs that strengthen Jewish life, combat antisemitism, respond to crises, support people in need, and advance justice and inclusion. Its work focuses on the Bay Area, Israel, and beyond; 2025 grants had a median of $22,750, though amounts varied widely. It frequently issues requests for proposals and welcomes inquiries about its process, but no current opportunities are listed.

Esjay Foundation Inc

Chicago, IL

Esjay Foundation supports preselected charitable organizations working in areas such as community services, food assistance, emergency response, worker protections, and advocacy. In 2025, it made 64 grants totaling $249,580; grants ranged from $20 to $40,350, with a median of $1,000, and the largest shares went to organizations in New York, Colorado, Washington, D.C., California, and Arizona. It does not accept unsolicited requests.

Edwards Mother Earth Foundation

Wilmington, DE

Edwards Mother Earth Foundation funds climate change mitigation and adaptation, energy efficiency, and agroforestry, with recent grants concentrated in Virginia, Pennsylvania, and New York and others across the U.S. Its 2024 grants ranged from $50 to $425,394, with a median of $2,250. It does not accept unsolicited grant applications, but does accept brief inquiries from organizations closely aligned with its priorities.

Prologis Foundation

Denver, CO

Prologis Foundation supports organizations addressing human welfare, education and career opportunity, food access, community needs, and disaster relief, with grants across the U.S. and the largest 2024 shares going to California, Georgia, Illinois, Colorado, and Massachusetts. In 2024, grants ranged from $153 to $455,000, with a median of $10,000. It funds only preselected organizations and does not accept unsolicited requests.