- Is Jefferson County Historical Society a tax-exempt 501(c)(3)?
- Yes. Jefferson County Historical Society is recognised by the IRS as a 501(c)(3) organisation (EIN 15-0564076). The IRS recognised Jefferson County Historical Society as tax-exempt in July 2026.
- What is Jefferson County Historical Society's EIN?
- Jefferson County Historical Society's Employer Identification Number (EIN) is 15-0564076. The EIN was assigned by the IRS in July 2026. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Jefferson County Historical Society do?
- Operation of a local history museum
- Where is Jefferson County Historical Society located?
- Jefferson County Historical Society is located at 228 Washington St, Watertown, NY, 13601.
- When was Jefferson County Historical Society founded or recognised by the IRS?
- Jefferson County Historical Society was recognised by the IRS as a tax-exempt organisation in July 2026. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
- What is Jefferson County Historical Society's annual revenue?
- On its most recent Form 990 (fiscal year 2021), Jefferson County Historical Society reported $607K in total revenue and $115K in total expenses.
- Has Jefferson County Historical Society been auto-revoked by the IRS?
- No. Jefferson County Historical Society (EIN 15-0564076) 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 Jefferson County Historical Society listed in IRS Publication 78?
- Yes. Jefferson 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.
