- Is Coffin-Siris Syndrome Foundation a tax-exempt 501(c)(3)?
- Yes. Coffin-Siris Syndrome Foundation is recognised by the IRS as a 501(c)(3) organisation (EIN 82-2116961). The IRS recognised Coffin-Siris Syndrome Foundation as tax-exempt in February 2018.
- What is Coffin-Siris Syndrome Foundation's EIN?
- Coffin-Siris Syndrome Foundation's Employer Identification Number (EIN) is 82-2116961. The EIN was assigned by the IRS in February 2018. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Coffin-Siris Syndrome Foundation do?
- Our mission is to support connect and inform the Coffin-Siris Syndrome community as well as promote and fund CSS-related research.
- Where is Coffin-Siris Syndrome Foundation located?
- Coffin-Siris Syndrome Foundation is located at 11611 106th Ave NE, Kirkland, WA, 98034.
- When was Coffin-Siris Syndrome Foundation founded or recognised by the IRS?
- Coffin-Siris Syndrome Foundation was recognised by the IRS as a tax-exempt organisation in February 2018. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
- What is Coffin-Siris Syndrome Foundation's annual revenue?
- On its most recent Form 990 (fiscal year 2025), Coffin-Siris Syndrome Foundation reported $151K in total revenue and $120K in total expenses.
- Has Coffin-Siris Syndrome Foundation been auto-revoked by the IRS?
- No. Coffin-Siris Syndrome Foundation (EIN 82-2116961) 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 Coffin-Siris Syndrome Foundation listed in IRS Publication 78?
- Yes. Coffin-Siris Syndrome Foundation 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.
