Carol and Warren Sinsheimer Foundation Inc
Invitation OnlySan Luis Obispo, California · EIN 77-0457296 · Private foundation
Grants paid (2024)$12K
Organizations funded23
Typical grant$500
Total assets$335K
Half of its grants to organizations were between $200 and $500.
From the return
How to apply
On its return for tax year 2024 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
30% of grants went outside California.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Slo Noor Foundation | San Luis Obispo, CA | Public healthcare | $2,500 |
| Meals That Connect | San Luis Obispo, CA | Nutrition and support for seniors | $1,000 |
| Slo Repertory Theatre | San Luis Obispo, CA | Support arts in the community | $1,000 |
| Transitions Mental Health Assoc | San Luis Obispo, CA | Public welfare | $1,000 |
| Slo International Film Festival | San Luis Obispo, CA | Support arts in the community | $1,000 |
| Community Counseling Center | San Luis Obispo, CA | General fund support | $500 |
| Hospice of Slo County | San Luis Obispo, CA | General fund support | $500 |
| Lumina Alliance | San Luis Obispo, CA | General fund support | $500 |
| Mono Lake Committee | Lee Vining, CA | Environmental conservation | $500 |
| Planned Parenthood | San Luis Obispo, CA | Public healthcare | $500 |
| Slo Symphony | San Luis Obispo, CA | Support arts in the community | $500 |
| Friends of Alta | Alta, UT | Environmental conservation | $500 |
| Child Development Resource Center | San Luis Obispo, CA | Public welfare | $200 |
| Ecoslo | San Luis Obispo, CA | Environmental conservation | $200 |
| Environmental Defense Fund | Washington, DC | Environmental conservation | $200 |
| Friends of 40 Prado | San Luis Obispo, CA | Public welfare | $200 |
| Slo Master Chorale | San Luis Obispo, CA | Support arts in the community | $200 |
| Celiac Guild | Seattle, WA | Public welfare | $200 |
| Monday Club Conservancy | San Luis Obispo, CA | General fund support | $200 |
| American Civil Liberties Union | New York, NY | Civil rights and public interest | $100 |
| National Parks Conservation Assoc | Washington, DC | Environmental conservation | $100 |
| National Wildlife Federation | Reston, VA | General fund support | $100 |
| Southern Poverty Law Center | Montgomery, AL | Civil rights and public interest | $100 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $11,800 | 23 |
| 2023 | $14,200 | 20 |
| 2022 | $8,000 | 14 |
Sources
- IRS Form 990-PF, tax year 2024, filed Feb 12, 2026 - IRS e-file batch, object ID 202610439349101076
- IRS Tax Exempt Organization Search for EIN 77-0457296
- Profile updated Nov 6, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.