- Is Ridge Historical Society a tax-exempt 501(c)(3)?
- Yes. Ridge Historical Society is recognised by the IRS as a 501(c)(3) organisation (EIN 23-7222417). The IRS recognised Ridge Historical Society as tax-exempt in November 1972.
- What is Ridge Historical Society's EIN?
- Ridge Historical Society's Employer Identification Number (EIN) is 23-7222417. The EIN was assigned by the IRS in November 1972. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Ridge Historical Society do?
- Preserve and interpret local history of the Ridge communities.
- Where is Ridge Historical Society located?
- Ridge Historical Society is located at 10621 S Seeley Avenue, Chicago, IL, 60643.
- When was Ridge Historical Society founded or recognised by the IRS?
- Ridge Historical Society was recognised by the IRS as a tax-exempt organisation in November 1972. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
- What is Ridge Historical Society's annual revenue?
- On its most recent Form 990 (fiscal year 2025), Ridge Historical Society reported $86K in total revenue and $84K in total expenses.
- Has Ridge Historical Society been auto-revoked by the IRS?
- No. Ridge Historical Society (EIN 23-7222417) 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 Ridge Historical Society listed in IRS Publication 78?
- Yes. Ridge 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.
