Data update history
January 11, 2025
Posted financials
Added Form 990 for fiscal year 2023
February 6, 2024
Posted financials
Added Form 990 for fiscal year 2022
July 16, 2023
Posted financials
Added Form 990 for fiscal year 2021
June 22, 2023
Posted financials
Added Form 990 for fiscal year 2020
Nonprofit Types
Arts, culture, and humanities nonprofitsMedia and communications organizationsTelevision producers / broadcastersRadio producers / broadcastersCharities
Issues
Arts, cultural, and humanities
Characteristics
Tax deductible donationsAccepts online donations
General information
- Address
- 46 Shepard St Unit 1
- Cambridge, MA 02138
- Metro area
- Boston-Cambridge-Newton, MA-NH
- County
- Middlesex County, MA
- Website URL
- radioopensource.org/Â
- Phone
- (617) 797-9411
IRS details
- EIN
- 20-2233057
- Fiscal year end
- December
- Taxreturn type
- Form 990
- Year formed
- 2005
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- A34: Radio
- NAICS code, primary
- 51512: Television Broadcasting
- Parent/child status
- Independent
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