The Preuss Family Foundation Inc
Invitation OnlyLA Jolla, California · EIN 33-0229180 · Private foundation · Website
Grants paid (2025)$217K
Organizations funded8
Typical grant$23,925
Total assets$176K
Half of its grants to organizations were between $20,000 and $25,234.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
0% of grants went outside California.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| The Preuss Foundation Inc | LA Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $50,000 |
| The Preuss Foundation Inc | LA Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $29,666 |
| The Preuss Foundation Inc | LA Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $25,234 |
| The Preuss Foundation Inc | LA Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $25,000 |
| The Preuss Foundation Inc | LA Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $23,925 |
| The Preuss Foundation Inc | LA Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $23,326 |
| The Preuss Foundation Inc | LA Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $20,000 |
| The Preuss Foundation Inc | LA Jolla, CA | To support charitable, educational, and scientific purposes, including to promote brain tumor and medical research. | $20,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $217,151 | 8 |
| 2024 | $193,224 | 7 |
| 2023 | $228,341 | 6 |
Sources
- IRS Form 990-PF, tax year 2025, filed Mar 24, 2026 - IRS e-file batch, object ID 202630839349100128
- IRS Tax Exempt Organization Search for EIN 33-0229180
- Profile updated Nov 6, 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.