Data update history
January 21, 2024
Posted financials
Added Form 990EZ for fiscal year 2023
January 21, 2024
Updated personnel
Identified 5 new personnel
November 25, 2023
Posted financials
Added Form 990EZ for fiscal year 2022
November 25, 2023
Posted financials
Added Form 990EZ for fiscal year 2021
September 22, 2021
Posted financials
Added Form 990EZ for fiscal year 2020
Nonprofit Types
Mental health organizationsSubstance abuse programsCharities
Issues
HealthMental healthHuman servicesHousing
Characteristics
Partially liquidatedTax deductible donationsNo full-time employees
General information
- Address
- 29 Crafts St 260
- Newton, MA 02458
- Metro area
- Boston-Cambridge-Newton, MA-NH
- County
- Middlesex County, MA
- Website URL
- mainstayliving.org/
- Phone
- (617) 789-4500
IRS details
- EIN
- 31-1591239
- Fiscal year end
- June
- Taxreturn type
- Form 990-EZ
- Year formed
- 1998
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- F33: Group Home, Residential Treatment Facility-Mental Health Related
- NAICS code, primary
- 623220: Residential Mental Health and Substance Abuse Facilities
- Parent/child status
- Independent
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