- Is Washtenaw County Historical Society a tax-exempt 501(c)(3)?
- Yes. Washtenaw County Historical Society is recognised by the IRS as a 501(c)(3) organisation (EIN 23-7075523). The IRS recognised Washtenaw County Historical Society as tax-exempt in September 1942.
- What is Washtenaw County Historical Society's EIN?
- Washtenaw County Historical Society's Employer Identification Number (EIN) is 23-7075523. The EIN was assigned by the IRS in September 1942. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Washtenaw County Historical Society do?
- Operate a historical museum covering Washtenaw County.
- Where is Washtenaw County Historical Society located?
- Washtenaw County Historical Society is located at PO Box 3336, Ann Arbor, MI, 48106.
- When was Washtenaw County Historical Society founded or recognised by the IRS?
- Washtenaw County Historical Society was recognised by the IRS as a tax-exempt organisation in September 1942. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
- What is Washtenaw County Historical Society's annual revenue?
- On its most recent Form 990 (fiscal year 2025), Washtenaw County Historical Society reported $221K in total revenue and $157K in total expenses.
- Has Washtenaw County Historical Society been auto-revoked by the IRS?
- No. Washtenaw County Historical Society (EIN 23-7075523) 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 Washtenaw County Historical Society listed in IRS Publication 78?
- Yes. Washtenaw 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.