Saw Island Foundation Inc
Historical FunderWoodside, California · EIN 23-7454106 · Private foundation
Grants paid (2024)$1.6M
Organizations funded22
Typical grant$5,000
Total assets$35.8M
Half of its grants to organizations were between $2,500 and $12,500.
From the return
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2024):
| Contact | R BRUCE MOSBACHER |
|---|---|
| Address | 524 MOORE ROAD SUITE A, WOODSIDE CA 94062 |
| Phone | 6508519990 |
| Form and materials | LETTER WITH PERTINENT INFORMATION |
| Deadlines | NONE |
| Restrictions | MUST BE A TAX EXEMPT ORGANIZATION |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
47% of grants went outside California.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Leland Stanford Junior University | Stanford, CA | To advance knowledge about the conditions for interactions among democracy, broad-based economic development, hr, and the law. | $1,250,960 |
| The Sailing Museum | Newport, RI | Central hub for learnings, culture and community development and engagement. | $120,000 |
| Hoover Institution | North Canton, OH | Seeking to improve the human condition by advancing ideas that promote economic opportunity and prosperity while securing and safeguarding… | $100,000 |
| Ragazzi Boys Chorus | Redwood City, CA | To promote excellence in musical performance and education. | $25,000 |
| Sports Challenge | Southlake, TX | Sports and education | $25,000 |
| American Theatre Wing | New York, NY | To inspire artists and audiences and nurture the entire theatre community. | $12,500 |
| Calmatters | Sacramento, CA | Non profit journalism | $10,000 |
| Memorial Sloan Kettering Cancer Center | New York, NY | To support head and neck cancer research programs | $10,000 |
| The Hospital for Special Surgery | New York, NY | Medical research for treatment of orthopedic and rheumatologic conditions. | $10,000 |
| Mangawhai Education Trust | Mangawhai Kaiwaka, NZ | To fund and deliver secondary education services to mangawhai | $5,000 |
| Palo Alto Medical Foundation | Palo Alto, CA | Provide care for those who cannot afford it, fund education and research that will improve lives. | $5,000 |
| Vida Verde Nature Education | San Gregorio, CA | To promote edducational equity by providing free, overnight, environmental learning experiences. | $5,000 |
| American Enterprise Institute | Washington, DC | Public policy think tank dedicated to defending human dignity, expanding human potential, and building a freer and safer world. | $2,500 |
| Castilleja School | Palo Alto, CA | To provide educational financial aid | $2,500 |
| Hunger Coalition | Bellevue, ID | To end hunger in the community by providing wholesome food to those in need and by promoting solutions to the underlying causes of hunger… | $2,500 |
| Menlo School | Atherton, CA | To provide educational financial aid | $2,500 |
| Phillips Brooks School | Menlo Park, CA | Inspires students to love learning, to develop a spiritual nature, to communicate effectively, to be kind to others and to respect the… | $2,500 |
| Playworks Silicon Valley | Oakland, CA | To provide children access to safe, healthy play. | $2,500 |
| The Wood River Community YMCA | Ketchum, ID | To truly build strong kids, strong families, and strong communities. | $2,500 |
| Chapel & York US Foundation | New York, NY | Family of foundations to help increase the flow of philanthropic funds to organizations worldwide. | $2,000 |
| San Francisco Opera | San Francisco, CA | Commissioning numerous world premieres, training some of opera's greatest young artists and being one of the worlds leading opera companies. | $1,000 |
| Start Rescue | Valley Village, CA | Animal rescue and shelter | $1,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $1,599,960 | 22 |
| 2023 | $1,530,540 | 20 |
| 2022 | $1,435,000 | 21 |
Sources
- IRS Form 990-PF, tax year 2024, filed Mar 16, 2026 - IRS e-file batch, object ID 202630759349100528
- IRS Tax Exempt Organization Search for EIN 23-7454106
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.