- Is Riddle House Museum a tax-exempt 501(c)(3)?
- Yes. Riddle House Museum is recognised by the IRS as a 501(c)(3) organisation (EIN 84-1849207). The IRS recognised Riddle House Museum as tax-exempt in June 2019.
- What is Riddle House Museum's EIN?
- Riddle House Museum's Employer Identification Number (EIN) is 84-1849207. The EIN was assigned by the IRS in June 2019. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Riddle House Museum do?
- A museum to inspire and educate the community through the history of transportation power generation geology and societal changes.
- Where is Riddle House Museum located?
- Riddle House Museum is located at 5342 Waterwood Drive, Lowell, MI, 49331.
- When was Riddle House Museum founded or recognised by the IRS?
- Riddle House Museum was recognised by the IRS as a tax-exempt organisation in June 2019. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
- What is Riddle House Museum's annual revenue?
- On its most recent Form 990 (fiscal year 2025), Riddle House Museum reported $725K in total revenue and $731K in total expenses.
- Has Riddle House Museum been auto-revoked by the IRS?
- No. Riddle House Museum (EIN 84-1849207) 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 Riddle House Museum listed in IRS Publication 78?
- Yes. Riddle House Museum 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.
