Data update history
May 20, 2024
Updated personnel
Identified 1 new personnel
June 17, 2023
Posted financials
Added Form 990 for fiscal year 2022
June 13, 2023
Posted financials
Added Form 990 for fiscal year 2021
May 24, 2023
Updated personnel
Identified 2 new personnel
August 21, 2021
Posted financials
Added Form 990 for fiscal year 2019
Nonprofit Types
Arts, culture, and humanities nonprofitsMuseumsHeadquarter / parent organizationsCharities
Issues
Arts, cultural, and humanities
Characteristics
State / local levelTax deductible donationsNo full-time employees
General information
- Address
- PO Box 572
- Stony Brook, NY 11790
- Metro area
- New York-Newark-Jersey City, NY-NJ-PA
- County
- Suffolk County, NY
- Website URL
- wmho.org/
- Phone
- (631) 751-2244
IRS details
- EIN
- 11-3053108
- Fiscal year end
- June
- Taxreturn type
- Form 990
- Year formed
- 1939
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- A50: Museums
- NAICS code, primary
- 7121: Museums, Historical Sites, and Similar Institutions
- Parent/child status
- Central organization
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