Slo Museum of Arts
San Luis Obispo, CA
$1.6MTax year 2025
Capital campaign & financial mgr
Foundation directory
Harold J Miossi Charitable Trust C/O Howard Carroll Trustee Grants
Private foundation · EIN 26-4703396 · IRS 990-PF filings through tax year 2025
Future commitments are grants the foundation has reported but not yet paid.
How to apply
Open to applications: its latest 990-PF publishes how to apply and does not limit giving to preselected organizations. See more foundations that accept applications.
- Contact
- Howard Carroll Trustee
- Phone
- (805) 541-0178
- Deadlines
- From January 1 through May 30 each year
- Application 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.
- 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).
Original filing text
- Contact
- HOWARD CARROLL TRUSTEE
- Address
- PO BOX 1025 SAN LUIS OBISPO, CA, 934061025
- Phone
- 8055410178
- Deadlines
- FROM JANUARY 1 THROUGH MAY 30 EACH YEAR
- Application 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.
- 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).
Reported organization name: HAROLD J MIOSSI CHARITABLE TRUST C/O HOWARD CARROLL TRUSTEE
Giving by tax year
Year-level totals across every reported grant in this profile — a summary, not a filter. The awards further down are the largest individual grants across all years, not each year's complete list.
| Tax year | Grants paid | Amount |
|---|---|---|
| 2025 | 25 | $2.7M |
| 2024 | 20 | $1.8M |
Where Harold J Miossi Charitable Trust C/O Howard Carroll Trustee gives
States of grant recipients reported on the foundation's 990-PF filings, by dollars received.
Largest reported grants
Historical awards reported to the IRS. These are examples of past giving, not open opportunities.
Slo Repertory Theatre
San Luis Obispo, CA
$503KTax year 2024
2nd capital campaign contribution
San Luis Coastal Education
San Luis Obispo, CA
$415KTax year 2024
Buildout of phase iii in slo & morro bay schools
Slo Botanical Garden
San Luis Obispo, CA
$310.4KTax year 2025
Reconstruct parking lot
Central Coast Salmon Enhancement
Arroyo Grande, CA
$258.4KTax year 2024
Trout in classroom slousd
Showing 5 of the 25 largest grants (45 reported in all).
See all 45 grants from Harold J Miossi Charitable Trust C/O Howard Carroll Trustee: sort and filter by purpose, state and year.
Start freeAbout this data
Figures are aggregated from Harold J Miossi Charitable Trust C/O Howard Carroll Trustee's IRS Form 990-PF electronic filings (2 filings on file, most recent tax year 2025). Totals reflect grants the foundation reported as paid, and can lag the current year because foundations file annually and often on extension. Source: IRS 990-PF filing on ProPublica. Raw e-file archive (ZIP) — a large IRS yearly archive download.
Other foundations giving in California
Free templates for applying to a foundation like this
- Full grant proposal template with an annotated sample
- Letter of intent template and example
- Statement of need template and examples
- Executive summary template and examples
- Grant budget template (XLSX) and budget narrative
- Evaluation plan template and metrics
New to this? Start with how to write a grant proposal, section by section. This profile is built from IRS 990-PF filings — read how the directory was assembled, or see what GrantCue does and what it costs.