Data update history
February 8, 2025
Posted financials
Added Form 990 for fiscal year 2023
January 21, 2025
Updated personnel
Identified 1 new personnel
September 21, 2024
Received grants
January 6, 2024
Posted financials
Added Form 990 for fiscal year 2022
November 25, 2023
Posted financials
Added Form 990 for fiscal year 2021
Nonprofit Types
Trade associationsChambers of commerceBusiness and community development organizations
Issues
Business and industry
Characteristics
MembershipsState / local levelReceives government funding
General information
- Address
- 84 S St
- Waltham, MA 02453
- Metro area
- Boston-Cambridge-Newton, MA-NH
- County
- Middlesex County, MA
- Website URL
- walthamchamber.com/Â
- Phone
- (781) 894-4700
IRS details
- EIN
- 04-1944360
- Fiscal year end
- December
- Taxreturn type
- Form 990
- Year formed
- 1916
- Eligible to receive tax-deductible contributions (Pub 78)
- No
Categorization
- NTEE code, primary
- S41: Promotion of Business
- NAICS code, primary
- 813910: Trade Associations
- Parent/child status
- Independent
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