Data update history
October 22, 2021
Posted financials
Added Form 990PF for fiscal year 2020
September 26, 2021
Updated personnel
Identified 1 new personnel
May 22, 2020
Posted financials
Added Form 990PF for fiscal year 2019
November 27, 2019
Posted financials
Added Form 990PF for fiscal year 2018
February 26, 2019
Updated personnel
Identified 2 new personnel
Nonprofit Types
Grantmaking organizationsPrivate foundationsPrivate non-operating foundationsCharities
Issues
HealthMental healthHuman servicesChildren
Characteristics
Provides grantsState / local levelTax deductible donations
General information
- Address
- 29 Crafts St 260
- Newton, MA 02458
- Metro area
- Boston-Cambridge-Newton, MA-NH
- Website URL
- mainstayliving.org/
- Phone
- (617) 789-4500
IRS details
- EIN
- 22-3098234
- Fiscal year end
- June
- Taxreturn type
- Form 990-PF
- Year formed
- 1991
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- T20: Private Foundations
- NAICS code, primary
- 813211: Grantmaking Foundations
- Parent/child status
- Independent
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