Data update history
November 10, 2023
Updated personnel
Identified 1 new personnel
November 7, 2023
Posted financials
Added Form 990N for fiscal year 2023
October 1, 2022
Posted financials
Added Form 990N for fiscal year 2022
September 1, 2021
Posted financials
Added Form 990N for fiscal year 2021
September 1, 2021
Updated personnel
Identified 2 new personnel
Nonprofit Types
Civic / social organizationsResearch centersCharities
Issues
Science and technology
Characteristics
Conducts researchPartially liquidatedTax deductible donationse-Postcard filerAccepts online donations
General information
- Address
- 18 Rockbottom Rd
- Stow, MA 01775
- Metro area
- Boston-Cambridge-Newton, MA-NH
- County
- Middlesex County, MA
- Website URL
- sasobservatory.org/
IRS details
- EIN
- 04-3505175
- Fiscal year end
- May
- Taxreturn type
- Form 990-N / Postcard
- Year formed
- 2004
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- U00: Science and Technology Research: General
- NAICS code, primary
- 813410: Civic and Social Organizations
- Parent/child status
- Independent
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