Data update history
July 31, 2024
Received grants
Identified 2 new grant, including a grant for $105,000 from Wilderness Society December 25, 2023
Received grants
Identified 3 new grant, including a grant for $103,000 from Wilderness Society November 25, 2023
Posted financials
Added Form 990 for fiscal year 2021
August 3, 2023
Posted financials
Added Form 990EZ for fiscal year 2020
August 2, 2023
Posted financials
Added Form 990 for fiscal year 2022
Nonprofit Types
Professional associationsBusiness and community development organizationsArts, culture, and humanities nonprofitsCharities
Issues
Arts, cultural, and humanitiesCommunity improvementHistoryBusiness and industry
Characteristics
Partially liquidatedReceives government fundingTax deductible donationsAccepts online donations
General information
- Address
- 1255 22nd St NW 19189
- Washington, DC 20037
- Metro area
- Washington-Arlington-Alexandria, DC-VA-MD-WV
- County
- District of Columbia, DC
- Website URL
- nathpo.org/Â
- Phone
- (202) 628-8476
IRS details
- EIN
- 74-2893040
- Fiscal year end
- December
- Taxreturn type
- Form 990
- Year formed
- 1998
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- A80: Historical Societies, Historical Preservation
- NAICS code, primary
- 813920: Professional Associations
- Parent/child status
- Independent
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