Public nonprofit record
MATTSON FOUNDATION
EIN 20-4727794 · Private Grantmaking Foundations (T20)
What they do
MATTSON FOUNDATION
About this charity
- Recognized since
- January 2014
- Location
- 343 HATCH DR, FOSTER CITY, CA 94404-1162
- County
- San Mateo
- In care of
- % STEVEN GUNDRUM
- Primary officer
- Justin Shimek
How to reach them
Contact information was not available in this public record.
Filing and classification
- Latest tax year
- 2025
- Tax period began
- January 1, 2025
- NTEE classification
- Private Grantmaking Foundations (T20)
- IRS tax category
- Private Grantmaking Foundations
More public IRS record details
These are classification codes from the organization’s public nonprofit record.
- Subsection
- 03
- Affiliation
- 3
- Classification
- 1200
- Deductibility
- 1
- Foundation
- 15
- Organization
- 1
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