The Dean Witter Foundation
Historical FunderSan Rafael, California · EIN 94-6065150 · Private foundation · Website
Half of its grants to organizations were between $15,000 and $30,000.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2024):
| Contact | KENNETH J BLUM CO KRAMER BLUM ASSOC |
|---|---|
| Address | PO BOX 6106, SAN RAFAEL CA 94903 |
| Phone | 4159812966 |
| Form and materials | SEE EXHIBIT 1 |
| Deadlines | NO |
| Restrictions | SEE EXHIBIT 1 |
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
77% of grants went outside California.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Naturebridge | San Francisco, CA | For scholarships for students at naturebridge's west coast campuses (matching) | $45,000 |
| Bellevue Schools Foundation | Bellevue, WA | For the mental health expansion program and/or the spark fund at the district superintendents discretion | $30,000 |
| Eat Happy Now | Yarrow Point, WA | For the food insecurity program | $30,000 |
| Islandwood | Bainbridge Island, WA | For the islandwood educators' fund | $30,000 |
| Northwest Film Forum | Seattle, WA | To pilot the documentary reflections of the river | $30,000 |
| Sealife Response Rehabilitation & Research | Des Moines, WA | To rescue and protect marine mammals in the pacific northwest | $30,000 |
| The Thacher School | Ojai, CA | For the horse program | $30,000 |
| University of Washingtoncollege of the Environment | Friday Harbor, WA | For the friday harbor labs K-12 science outreach program | $30,000 |
| Fred Hutch Cancer Center | Seattle, WA | For the project: mussel lab: distinguishing invasive vs local mussels through dna analysis | $25,000 |
| Practical Farmers of Iowa | Ames, IA | For sowing biodiversity: empowering small-scale farmers to support native pollinators | $25,000 |
| University of Washington Clean Energy Institute | Seattle, WA | For K-12 education and training programs | $25,000 |
| Wildlands Conservancy | Oak Glen Road, CA | For the nature's ninos program | $25,000 |
| Hive | Boulder, CO | To prototype an online map of the boulder county climate justice landscape | $15,000 |
| Wildlands Conservancy | Oak Glen Road, CA | For the eel river canyon preserve | $15,000 |
| Institute for Systems Biology | Seattle, WA | For the systems education experiences program | $12,500 |
| Lewa Wildlife Conservancy USA | New York, NY | For general support in honor and memory of dean witter | $10,000 |
| Northwest Association for Biomedical Research | Seattle, WA | For the camp biomed platform in eastern washington | $10,000 |
| The One Eighty Foundation | Seattle, WA | To game on to provide sports equipment, uniforms and league fees for underserved youth ages 6-18 | $10,000 |
Grants approved for future payment
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Institute for Systems Biology | Seattle, WA | For the systems education experiences program | $12,500 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $427,500 | 19 |
| 2023 | $300,500 | 14 |
| 2022 | $298,000 | 16 |
Sources
- IRS Form 990-PF, tax year 2024, filed Mar 6, 2026 - IRS e-file batch, object ID 202610649349101211
- IRS Tax Exempt Organization Search for EIN 94-6065150
- 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.