Data update history
June 1, 2024
Posted financials
Added Form 990N for fiscal year 2023
November 25, 2023
Posted financials
Added Form 990EZ for fiscal year 2021
July 6, 2023
Updated personnel
Identified 12 new personnel
May 21, 2023
Used new vendors
Identified 1 new vendor, including
Nonprofit Types
Arts, culture, and humanities nonprofitsMuseumsCharities
Issues
EducationArts, cultural, and humanitiesHistory
Characteristics
Partially liquidatedState / local levelTax deductible donationse-Postcard filer
General information
- Address
- PO Box 766
- Mattituck, NY 11952
- Metro area
- New York-Newark-Jersey City, NY-NJ-PA
- County
- Suffolk County, NY
- Website URL
- mlhistoricalsociety.org/
- Phone
- (631) 298-8431
IRS details
- EIN
- 23-7062997
- Fiscal year end
- December
- Taxreturn type
- Form 990-N / Postcard
- Year formed
- 1970
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- A80: Historical Societies, Historical Preservation
- NAICS code, primary
- 7121: Museums, Historical Sites, and Similar Institutions
- Parent/child status
- Independent
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