Nonprofits in RIO OSO, CA
3 tax-exempt organizations with a return on IRS file.
Largest nonprofits in RIO OSO by revenue
- EAST NICOLAUS JR SPARTANS EIN 82-4135614 · last filed 990-EZ for 2025 · revenue $160,677
- CHRISTIANA CHARITABLE & EDUCATIONALFOUNDATION EIN 26-0661961 · last filed 990-EZ for 2023 · revenue $450
- RIO OSO COMMUNITY HALL INC EIN 83-1873192 · last filed 990-N for 2025
Top 5s in RIO OSO
Most raised in gifts and grants
Contributions, gifts and grants received in the year
- 1East Nicolaus JR Spartans990-EZ, year ended Dec 2025$160.7K
- 2Christiana Charitable & Educationalfoundation990-EZ, year ended Dec 2023$450
Largest reserves
Net assets (fund balance) at year end
- 1East Nicolaus JR Spartans990-EZ, year ended Dec 2025$83.3K
- 2Christiana Charitable & Educationalfoundation990-EZ, year ended Dec 2023$728
All nonprofits in RIO OSO, A–Z
- CHRISTIANA CHARITABLE & EDUCATIONALFOUNDATIONEIN 26-0661961 · last filed 990-EZ for 2023
- EAST NICOLAUS JR SPARTANSEIN 82-4135614 · last filed 990-EZ for 2025
- RIO OSO COMMUNITY HALL INCEIN 83-1873192 · last filed 990-N for 2025