- Is ADG Mason Square Inc a tax-exempt 501(c)(3)?
- Yes — ADG Mason Square Inc is recognised by the IRS as a 501(c)(3) organisation (EIN 86-2522386). The IRS recognised ADG Mason Square Inc as tax-exempt in October 2025.
- What is ADG Mason Square Inc's EIN?
- ADG Mason Square Inc's Employer Identification Number (EIN) is 86-2522386. The EIN was assigned by the IRS in October 2025. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does ADG Mason Square Inc do?
- ADG Mason Square Inc is registered with the IRS as a mental health nonprofit organisation. A detailed mission statement is not available on its most recent Form 990 filing.
- Where is ADG Mason Square Inc located?
- ADG Mason Square Inc is located at 605 State ST, Springfield, MA, 01109-4114.
- When was ADG Mason Square Inc founded or recognised by the IRS?
- ADG Mason Square Inc was recognised by the IRS as a tax-exempt organisation in October 2025. The IRS ruling date is the earliest authoritative date available for most US nonprofits.