M & I Pfister Foundation
Historical FunderLA Jolla, California · EIN 20-5994513 · Private foundation
Half of its grants to organizations were between $30,000 and $100,000.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2024):
| Contact | MARYANNE PFISTER |
|---|---|
| Address | 862 PROSPECT ST SUITE A, LA JOLLA CA 92037 |
| Phone | 8585518785 |
| Form and materials | GENERAL APPLICATION WITH DETERMINATION LETTER |
| Deadlines | NONE |
| Restrictions | NONE |
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
0% of grants went outside California.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| The New Children's Museum | San Diego, CA | General support | $225,000 |
| Museum of Contemporary Art San Diego | LA Jolla, CA | General support | $170,250 |
| Library Association of LA Jolla | LA Jolla, CA | General support | $100,000 |
| LA Jolla Playhouse | LA Jolla, CA | General support | $50,000 |
| San Diego Symphony Orchestra | San Diego, CA | General support | $50,000 |
| The Athenaeum | LA Jolla, CA | General support | $38,000 |
| LA Jolla Historical Society | LA Jolla, CA | General support | $35,000 |
| Planned Parenthood | San Diego, CA | General support | $30,000 |
| San Diego Humane Society | San Diego, CA | General support | $30,000 |
| San Diego Parks Foundation | San Diego, CA | General support | $10,000 |
| San Diego Zoo Wildlife Alliance | San Diego, CA | General support | $10,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $748,250 | 11 |
| 2023 | $547,800 | 11 |
Sources
- IRS Form 990-PF, tax year 2024, filed Oct 7, 2025 - IRS e-file batch, object ID 202542809349100434
- IRS Tax Exempt Organization Search for EIN 20-5994513
- 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.