Data update history
January 1, 2025
Posted financials
Added Form 990N for fiscal year 2024
December 1, 2023
Posted financials
Added Form 990N for fiscal year 2023
January 2, 2023
Posted financials
Added Form 990N for fiscal year 2022
January 2, 2023
Updated personnel
Identified 1 new personnel
December 1, 2021
Posted financials
Added Form 990N for fiscal year 2021
Nonprofit Types
Civic / social organizationsArts, culture, and humanities nonprofitsChapter / child organizations
Issues
Arts, cultural, and humanitiesHistory
Characteristics
State / local levele-Postcard filer
General information
- Address
- 616 D St NW
- Washington, DC 20004
- Metro area
- Washington-Arlington-Alexandria, DC-VA-MD-WV
- County
- District of Columbia, DC
IRS details
- EIN
- 47-5498717
- Fiscal year end
- May
- Taxreturn type
- Form 990-N / Postcard
- Year formed
- 1955
- Eligible to receive tax-deductible contributions (Pub 78)
- No
Categorization
- NTEE code, primary
- A80: Historical Societies, Historical Preservation
- NAICS code, primary
- 813410: Civic and Social Organizations
- Parent/child status
- Child within group exemption
Free account sign-up
Want updates when National Conference of State Societies Washington District of C / District of Columbia Society of Was has new information, or want to find more organizations like National Conference of State Societies Washington District of C / District of Columbia Society of Was?
Create free Cause IQ account