Data update history
June 1, 2024
Posted financials
Added Form 990 for fiscal year 2023
May 21, 2024
Updated personnel
Identified 3 new personnel
July 10, 2023
Posted financials
Added Form 990 for fiscal year 2022
July 1, 2023
Updated personnel
Identified 3 new personnel
Nonprofit Types
Professional associationsBusiness and community development organizationsEnvironmental organizationsCharities
Issues
Science and technologyLand and water conservationEnvironmentBusiness and industry
Characteristics
MembershipsLobbyingPartially liquidatedTax deductible donationsAccepts online donations
General information
- Address
- 1706 Hutchinson LN
- Silver Spring, MD 20906
- Metro area
- Washington-Arlington-Alexandria, DC-VA-MD-WV
- County
- Montgomery County, MD
- Website URL
- ioosassociation.org/Â
- Phone
- (617) 308-3848
IRS details
- EIN
- 27-4702525
- Fiscal year end
- September
- Taxreturn type
- Form 990
- Year formed
- 2010
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- C32: Water Resource, Wetlands Conservation and Management
- NAICS code, primary
- 813920: Professional Associations
- Parent/child status
- Independent
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