| Employer Identification Number (EIN) |
94-3362163 |
| Name of Organization |
The Duffield Family Foundation, Maddies Fund |
| In Care of Name |
Amy Zeifang |
| Previous Names |
Maddies Spirit (2005 - 2007) |
| Address |
6150 Stoneridge Mall Rd Ste 125, Pleasanton, CA 94588-3170 |
| Previous Addresses |
6160 Stoneridge Mall Road Suit, Pleasanton, CA 94588-3285 (2012)
2223 Santa Clara Ave Ste B, Alameda, CA 94501-4471 (2005 - 2010) |
| Subsection(s) / Classification |
Charitable Organization |
| Affiliation |
Independent |
| Ruling Date |
07/2025 |
| Deductibility |
Contributions are deductible |
| Foundation |
Private non-operating foundation |
| Organization |
Corporation |
| Exempt Organization Status |
Unconditional Exemption |
| Tax Period |
06/2025 |
| Asset |
$50,000,000 to greater |
| Income |
$50,000,000 to greater |
| Filing Requirement |
990 - Not required to file (all other) (990-PF required) |
| Accounting Period |
June (06) |
| Asset Amount |
$277,555,479 |
| Income Amount |
$109,651,886 |
| Form 990 Revenue Amount |
$0 |
| National Taxonomy of Exempt Entities (NTEE) |
Educational Institutions and Related Activities: Education (Not Elsewhere Classified) |