The Duncan Great Cause Foundation
Historical FunderSan Marino, California · EIN 82-3709895 · Private foundation
Half of its grants to organizations were between $500 and $5,000.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2025):
| Contact | QING DUNCAN |
|---|---|
| Address | 3742 E 26TH STREET, VERNON CA 90058 |
| Phone | 3233625505 |
| Form and materials | PLEASE INCLUDE CHARITY'S NAME, ADDRESS, PHONE NUMBER, CONTACT PERSON AND PURPOSE OF THE GRANT. |
| Deadlines | DECEMBER 31 |
| Restrictions | LIBRARIES, SCHOOLS, HOSPITALS AND OTHER NON-PROFIT ORGANIZATIONS |
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
14% of grants went outside California.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| The Huntington Library | San Marino, CA | To support enrichment, education and stewardship of the extensive gardens, library and art collections and provide educational… | $40,000 |
| Cal State LA University Auxiliary Services Inc | Los Angeles, CA | Education | $10,350 |
| John Raitt Awards for Youth (Jray) | Costa Mesa, CA | To support high school performing arts education in los angeles, orange, riverside and inland empire counties of california. | $9,000 |
| Museique | Pasadena, CA | Support for local art programs | $5,000 |
| Caltech | Pasadena, CA | Education | $4,000 |
| Ascencia | Glendale, CA | To provide shelter to families and individuals and outreach/support to assist with job seeking, addiction and mental illness. | $2,650 |
| San Marino Rotary Charities | San Marino, CA | Community outreach | $2,000 |
| San Marino Motor Classic | San Marino, CA | Community benefit | $1,500 |
| Monroe Institute | Faber, VA | Education | $1,000 |
| The Rotary Foundation | Evanston, IL | Rotary international programs | $700 |
| Maasai Cultural Conservation Foundation | South Pasadena, CA | Cultural and community development | $500 |
| Pasadena Showcase | Pasadena, CA | Arts education | $495 |
| East Meets West Parent Education Club | San Marino, CA | Cultural education | $250 |
| San Marino Schools Foundation | San Marino, CA | To support public education: smaller class sizes, broader curriculum and more enrichment opportunities. | $103 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $77,548 | 14 |
| 2024 | $81,380 | 17 |
| 2023 | $83,550 | 13 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 12, 2026 - IRS e-file batch, object ID 202641329349100814
- IRS Tax Exempt Organization Search for EIN 82-3709895
- Profile updated Nov 7, 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.