Data update history
November 1, 2024
Updated personnel
Identified 7 new personnel
January 18, 2024
Posted financials
Added Form 990PF for fiscal year 2022
January 9, 2024
Updated personnel
Identified 1 new personnel
December 27, 2023
Used new vendors
Identified 1 new vendor, including
July 13, 2023
Posted financials
Added Form 990PF for fiscal year 2021
Nonprofit Types
Grantmaking organizationsPrivate foundationsFamily foundationsPrivate non-operating foundationsCharities
Issues
No issues found
Characteristics
Provides grantsState / local levelTax deductible donationsAccepts online donations
General information
- Address
- 645 Fifth Ave
- New York, NY 10022
- Metro area
- New York-Newark-Jersey City, NY-NJ-PA
- County
- New York County, NY
- Website URL
- onassis.org/foundation/public-benefit-foundation
- Phone
- (212) 486-4448
- Facebook page
- OnassisFoundationUSA
IRS details
- EIN
- 13-4037172
- Fiscal year end
- December
- Taxreturn type
- Form 990-PF
- Year formed
- 1999
- 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
California AB-488 details
- AB 488 status
- May Operate or Solicit for Charitable Purposes
- Charity Registration status
- Current - Awaiting Reporting
- FTB status revoked
- Not revoked
- AG Registration Number
- CT0263557
- FTB Entity ID
- 4210265
- AB 488 data last updated ("as-of") date
- 2024-12-31
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