- Is Saint Isidor Foundation a tax-exempt 501(c)(3)?
- Yes — Saint Isidor Foundation is recognised by the IRS as a 501(c)(3) organisation (EIN 33-2557799). The IRS recognised Saint Isidor Foundation as tax-exempt in September 2025.
- What is Saint Isidor Foundation's EIN?
- Saint Isidor Foundation's Employer Identification Number (EIN) is 33-2557799. The EIN was assigned by the IRS in September 2025. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Saint Isidor Foundation do?
- Saint Isidor Foundation is registered with the IRS as a human services nonprofit organisation. A detailed mission statement is not available on its most recent Form 990 filing.
- Where is Saint Isidor Foundation located?
- Saint Isidor Foundation is located at 999 Sonoma Ave, Santa Rosa, CA, 95404-4817.
- When was Saint Isidor Foundation founded or recognised by the IRS?
- Saint Isidor Foundation was recognised by the IRS as a tax-exempt organisation in September 2025. The IRS ruling date is the earliest authoritative date available for most US nonprofits.