Data update history
October 3, 2023
Posted financials
Added Form 990 for fiscal year 2022
September 24, 2023
Updated personnel
Identified 4 new personnel
August 22, 2023
Posted financials
Added Form 990 for fiscal year 2021
June 27, 2023
Updated personnel
Identified 4 new personnel
Nonprofit Types
Grantmaking organizationsChapter / child organizationsCharities
Issues
Health
Characteristics
Provides grantsFundraising eventsState / local levelCommunity engagement / volunteeringFundraising races, competitions, and tournamentsTax deductible donations
General information
- Address
- 23845 Mcbean Pkwy
- Valencia, CA 91355
- Metro area
- Los Angeles-Long Beach-Anaheim, CA
- County
- Los Angeles County, CA
- Website URL
- henrymayo.com/support-henry-mayo/about-the-foundation/Â
IRS details
- EIN
- 95-3849903
- Fiscal year end
- September
- Taxreturn type
- Form 990
- Year formed
- 1980
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- T30: Public Foundations
- NAICS code, primary
- 813211: Grantmaking Foundations
- Parent/child status
- Subordinate organization
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