Mattatuck Historical Society in Waterbury, Connecticut (CT)


Employer Identification Number (EIN) 06-0443990
Name of Organization Mattatuck Historical Society
Address 144 W Main St, Waterbury, CT 06702-1216
Previous Addresses Suite 3, Waterbury, CT 06702-0000 (2010)
144 W Main St, Waterbury, CT 06702-1216 (2005 - 2008)
Subsection(s) / Classification Educational Organization
Affiliation Independent
Ruling Date 06/1938
Deductibility Contributions are deductible
Foundation Organization which receives a substantial part of its support from a governmental unit or the general public
Activities Museum, zoo, planetarium, etc.
Art exhibit
Other cultural or historical activities
Organization Corporation
Exempt Organization Status Unconditional Exemption
Tax Period 09/2025
Asset $10,000,000 to $49,999,999
Income $5,000,000 to $9,999,999
Filing Requirement 990 (all other) or 990EZ return
Accounting Period September (09)
Asset Amount $31,847,927
Income Amount $9,387,651
Form 990 Revenue Amount $3,546,294
National Taxonomy of Exempt Entities (NTEE) Arts, Culture and Humanities:

Organizations performing similar types of work - median values


Income amount
Similar organizations: $182,230
This organization: $9,387,651
Asset amount
Similar organizations: $756,842
This organization: $31,847,927