- Is Mount Washington Observatory a tax-exempt 501(c)(3)?
- Yes. Mount Washington Observatory is recognised by the IRS as a 501(c)(3) organisation (EIN 02-0225135). The IRS recognised Mount Washington Observatory as tax-exempt in October 1951.
- What is Mount Washington Observatory's EIN?
- Mount Washington Observatory's Employer Identification Number (EIN) is 02-0225135. The EIN was assigned by the IRS in October 1951. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Mount Washington Observatory do?
- Scientific research for government, education and industry.
- Where is Mount Washington Observatory located?
- Mount Washington Observatory is located at PO Box 2310, North Conway, NH, 03860.
- When was Mount Washington Observatory founded or recognised by the IRS?
- Mount Washington Observatory was recognised by the IRS as a tax-exempt organisation in October 1951. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
- What is Mount Washington Observatory's annual revenue?
- On its most recent Form 990 (fiscal year 2024), Mount Washington Observatory reported $2.7M in total revenue and $2.4M in total expenses.
- Has Mount Washington Observatory been auto-revoked by the IRS?
- No. Mount Washington Observatory (EIN 02-0225135) 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 Washington Observatory listed in IRS Publication 78?
- Yes. Mount Washington Observatory 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.