Data update history
July 16, 2026
Posted financials
Added Form 990EZ for fiscal year 2025
June 20, 2026
Used new vendors
Identified 1 new vendor, including
July 6, 2025
Posted financials
Added Form 990EZ for fiscal year 2024
July 9, 2024
Posted financials
Added Form 990EZ for fiscal year 2023
November 25, 2023
Posted financials
Added Form 990EZ for fiscal year 2021
Nonprofit Types
Public sector nonprofitsBusiness and community development organizationsCharities
Issues
EducationCommunity improvementEconomic development
Characteristics
Legally formed as corporationMembershipsPartially liquidatedState / local levelTax deductible donationsNo full-time employeesAccepts online donations
General information
- Address
- 260 Arsenal Pl
- Watertown, MA 02472
- Metro area
- Boston-Cambridge-Newton, MA-NH
- County
- Middlesex County, MA
- Website URL
- massecon.com/
- Phone
- (617) 924-4600
IRS details
- EIN
- 04-3451191
- Fiscal year end
- June
- Taxreturn type
- Form 990-EZ
- Year formed
- 1999
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- S30: Economic Development
- NAICS code, primary
- 926110: Economic Development Corporations and Economic Program Organizations
- Parent/child status
- Independent
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