Harbor Day Endowment Corporation

Mark & Semira Moshayedi

Newport Coast, CA

Bellwether Charitable Foundation

Newport Beach, CA

Spirit of Hope Foundation

Huntington Beach, CA

Pralle Krotts Family Foundation

Newport Beach, CA

The Pralle Krotts Family Foundation supports medical care, education, animal welfare, and programs for at-risk children, primarily in California. In 2025, it made 22 grants ranging from $2,500 to $100,000, with a median grant of $10,000. It gives only to preselected charities and does not accept unsolicited requests.

Curci Fund

Newport Beach, CA

The Curci Fund primarily supports basic and applied research in neuroscience, regenerative medicine, cell biology, cancer, and nanoscience, alongside grants to charitable organizations. Its 2024 grants ranged from $1,000 to $250,000, with a median of $10,000; most funding went to California recipients. It does not accept unsolicited requests, and its research programs use nominee-based processes.

Macdonald Family Foundation

Los Angeles, CA

The Macdonald Family Foundation supports a varied range of charitable organizations, including community foundations, schools, sexual-violence services, disability programs, and wildlife protection. In 2025, grants ranged from $7,500 to $4,703,434, with a median of $25,000; 84% of grant dollars went to California organizations. It funds only preselected organizations and does not accept unsolicited requests.

The William Jeff and Jennifer Gross

Laguna Beach, CA

The William Jeff and Jennifer Gross supports nonprofits in healthcare, education and the arts, humanitarian relief and global development, the environment, and community services, with giving concentrated in New York and California but also reaching other states and international work. Its 2024 grants ranged from $2,500 to $3 million, with a median of $150,000. It does not accept unsolicited requests and gives only to preselected organizations.

The Lewis Family Charitable Foundation

Newport Beach, CA

The Lewis Family Charitable Foundation supports a range of charitable organizations, including health, education, and policy groups, with grants concentrated among recipients in California, Washington, DC, Virginia, New York, and Arizona. In 2025, grants ranged from $500 to $160,000, with a median of $12,500. It gives only to preselected organizations and does not accept unsolicited requests.

Argyros Family Foundation

Costa Mesa, CA

The Argyros Family Foundation funds medical care, education, arts, and public charities, primarily in California, with additional giving in Arizona, Idaho, Texas, and Washington, DC. Its 2025 grants ranged from $500 to $6.27 million, with a median of $25,000. It does not limit giving to preselected organizations; requests are due June 1 and should include organizational background, intended use, federal ID number, and IRS 501(c)(3) determination letter.

The Lazard Charitable Foundation

New York, NY

The Lazard Charitable Foundation funds nonprofits addressing education, youth career development and justice, health, food insecurity, and the arts, with a strong emphasis on New York organizations. Its 2024 grants had a median of $500, though several grants were $50,000–$100,000 or more. It accepts requests by letter with a description of the organization and its activities; no deadline is listed.

Orange County Community Foundation

Irvine, CA

OCCF supports nonprofits across arts and culture, education, health, human services, the environment, and community development, primarily in Orange County but also beyond through its charitable funds. Its 2025 grants had a median amount of $25,000, though awards varied widely; the profile does not state whether it accepts unsolicited 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.