Harold J Miossi Charitable Trust
Historical FunderSan Luis Obispo, California · EIN 26-4703396 · Private foundation · Website
Half of its grants to organizations were between $10,000 and $31,453.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2025):
| Contact | HOWARD CARROLL TRUSTEE |
|---|---|
| Address | PO BOX 1025, SAN LUIS OBISPO CA 934061025 |
| Phone | 8055410178 |
| Form and materials | APPLICATION PACKAGE, AS DETAILED ON THE ON-LINE WEBSITE, INCLUDING THE GRANT APPLICATION, ORGANIZATION SUMMARY, DESCRIPTION OF SPECIFIC REQUEST, MONITORING & EVALUATION INFORMATION, ORGANIZATIONAL BUDGET, PROJECT BUDGET, OTHER FUNDING SOURCES, BOARD MEMBER LIST, TAX STATUS LETTER, COPY OF FINANCIAL STATEMENTS. |
| Deadlines | FROM JANUARY 1 THROUGH MAY 30 EACH YEAR |
| Restrictions | THE FOUNDATION PROVIDES GRANTS ONLY TO CALIFORNIA BASED CHARITABLE ORGANIZATIONS FOR PROJECTS BENEFITING SAN LUIS OBISPO COUNTY RESIDENTS. THE FOUNDATION PRIORITY ARE PROJECTS FOCUSED IN SIX KEY AREAS OF SUPPORT FOR SAN LUIS OBISPO COUNTY RESIDENTS, INCLUDING ANIMAL RELATED (PROTECTION OF ANIMALS AND ANIMAL RIGHTS), EDUCATION (PROGRAMMING FOR ALL AGES, WITH PARTICULAR FOCUS ON COLLEGE READINESS), ENVIRONMENTAL PROTECTION (INCLUDING OPEN SPACE, GREEN TECHNOLOGY, SUSTAINABLE AGRICULTURE), CATHOLIC CHURCH (SUPPORT PROGRAMS AND IMPROVEMENTS FOR STAFF & PARISHIONERS, AS WELL AS CAPITAL IMPROVEMENTS), FINE ARTS (PUBLIC ART PROJECTS), AND YOUTH DEVELOPMENT (EXPOSURE TO DIFFERENT IDEAS AND OPINIONS, PROVIDING ACCESS TO OPPORTUNITIES YOUTH WOULD NOT OTHERWISE HAVE AVAILABLE). |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
0% of grants went outside California.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Slo Museum of Arts | San Luis Obispo, CA | Capital campaign & financial mgr | $1,600,000 |
| Community Counseling Center of Slo | San Luis Obispo, CA | Therapy programs to support psychological healing and emotional well-being. | $75,000 |
| The Bay Foundation of Morro Bay | Morro Bay, CA | Bioassessment monitoring of the morro bay watershed | $31,453 |
| French Medical Center Foundation | San Luis Obispo, CA | Dog therapy | $20,900 |
| Transitions Mental Association | San Luis Obispo, CA | Mental health and suicide training | $20,000 |
| Old Mission San Miguel | San Miguel, CA | Refurbish mission walls | $15,000 |
| Ecologistics Inc | Los Osos, CA | Everybody reads | $10,000 |
| Slo Symphony | San Luis Obispo, CA | Instrument petting zoo outreach program | $10,000 |
| Diversity Coalition Slo | Arroyo Grande, CA | Outreach for diversity in leadership | $10,000 |
| Nothern Sb United Way | Santa Maria, CA | Literacy 2.0 initiative to improve financial well being | $10,000 |
| Slo Repertory Theatre | San Luis Obispo, CA | Act student sponsorship | $7,500 |
The return also lists 14 grants to individuals ($872,255). We do not publish the names of individual recipients.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $2,682,108 | 25 |
| 2024 | $1,769,912 | 20 |
| 2023 | $1,233,471 | 23 |
Sources
- IRS Form 990-PF, tax year 2025, filed Aug 7, 2026 - IRS e-file batch, object ID 202642199349100319
- IRS Tax Exempt Organization Search for EIN 26-4703396
- Profile updated Nov 7, 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.