- Is Suffolk County Historical Society a tax-exempt 501(c)(3)?
- Yes. Suffolk County Historical Society is recognised by the IRS as a 501(c)(3) organisation (EIN 11-1700962). The IRS recognised Suffolk County Historical Society as tax-exempt in November 1941.
- What is Suffolk County Historical Society's EIN?
- Suffolk County Historical Society's Employer Identification Number (EIN) is 11-1700962. The EIN was assigned by the IRS in November 1941. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Suffolk County Historical Society do?
- The society provides eduational programs, a museum, and a library for the benefit of students, researchers, and the general public.
- Where is Suffolk County Historical Society located?
- Suffolk County Historical Society is located at 300 West Main Street, Riverhead, NY, 11901.
- When was Suffolk County Historical Society founded or recognised by the IRS?
- Suffolk County Historical Society was recognised by the IRS as a tax-exempt organisation in November 1941. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
- What is Suffolk County Historical Society's annual revenue?
- On its most recent Form 990 (fiscal year 2024), Suffolk County Historical Society reported $490K in total revenue and $589K in total expenses.
- Has Suffolk County Historical Society been auto-revoked by the IRS?
- No. Suffolk County Historical Society (EIN 11-1700962) does not appear on the IRS Auto-Revocation List. Givalgo Discover cross-references the IRS Auto-Revocation List on every profile load; if status changes, this page reflects it.
- Is Suffolk County Historical Society listed in IRS Publication 78?
- Yes. Suffolk County Historical Society is listed in IRS Publication 78 as an organisation eligible to receive tax-deductible charitable contributions. Pub 78 status is the canonical IRS signal that donations to an org are deductible.
