- Is Mount Prospect Historical Society a tax-exempt 501(c)(3)?
- Yes. Mount Prospect Historical Society is recognised by the IRS as a 501(c)(3) organisation (EIN 23-7015806). The IRS recognised Mount Prospect Historical Society as tax-exempt in July 1969.
- What is Mount Prospect Historical Society's EIN?
- Mount Prospect Historical Society's Employer Identification Number (EIN) is 23-7015806. The EIN was assigned by the IRS in July 1969. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Mount Prospect Historical Society do?
- Historical preservation
- Where is Mount Prospect Historical Society located?
- Mount Prospect Historical Society is located at 101 S Maple Street, Mount Prospect, IL, 60056.
- When was Mount Prospect Historical Society founded or recognised by the IRS?
- Mount Prospect Historical Society was recognised by the IRS as a tax-exempt organisation in July 1969. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
- What is Mount Prospect Historical Society's annual revenue?
- On its most recent Form 990 (fiscal year 2025), Mount Prospect Historical Society reported $120K in total revenue and $111K in total expenses.
- Has Mount Prospect Historical Society been auto-revoked by the IRS?
- No. Mount Prospect Historical Society (EIN 23-7015806) 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 Mount Prospect Historical Society listed in IRS Publication 78?
- Yes. Mount Prospect 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.
