Data update history
August 25, 2023
Posted financials
Added Form 990EZ for fiscal year 2023
May 6, 2023
Updated personnel
Identified 4 new personnel
February 28, 2022
Posted financials
Added Form 990EZ for fiscal year 2020
September 30, 2020
Posted financials
Added Form 990EZ for fiscal year 2019
October 11, 2018
Posted financials
Added Form 990EZ for fiscal year 2018
Nonprofit Types
Arts, culture, and humanities nonprofitsMuseumsCharities
Issues
Arts, cultural, and humanitiesHistory
Characteristics
MembershipsPartially liquidatedState / local levelTax deductible donationsNo full-time employees
General information
- Address
- 77 Washington St
- Norwalk, CT 06854
- Metro area
- Bridgeport-Stamford-Norwalk, CT
- County
- Fairfield County, CT
- Website URL
- sonotower.org/
- Phone
- (203) 246-6958
IRS details
- EIN
- 01-0366432
- Fiscal year end
- March
- Taxreturn type
- Form 990-EZ
- Year formed
- 1980
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- A80: Historical Societies, Historical Preservation
- NAICS code, primary
- 7121: Museums, Historical Sites, and Similar Institutions
- Parent/child status
- Independent
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