Data update history
January 20, 2024
Posted financials
Added Form 990PF for fiscal year 2022
November 25, 2023
Posted financials
Added Form 990PF for fiscal year 2021
June 14, 2023
Posted financials
Added Form 990PF for fiscal year 2020
May 23, 2023
Used new vendors
Identified 1 new vendor, including
October 19, 2021
Posted financials
Added Form 990PF for fiscal year 2019
Nonprofit Types
Grantmaking organizationsPrivate foundationsPrivate non-operating foundationsCharities
Issues
No issues found
Characteristics
Provides grantsPartially liquidatedNational levelTax deductible donations
General information
- Address
- Foundation Source 501 Silverside Rd
- Wilmington, DE 19809
- Metro area
- Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
- County
- New Castle County, DE
IRS details
- EIN
- 22-2778703
- Fiscal year end
- December
- Taxreturn type
- Form 990-PF
- Year formed
- 1987
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- T20: Private Foundations
- NAICS code, primary
- 813211: Grantmaking Foundations
- Parent/child status
- Independent
Free account sign-up
Want updates when Winslow Foundation has new information, or want to find more organizations like Winslow Foundation?
Create free Cause IQ account