Before you apply to Harold J Miossi Charitable Trust C/O Howard Carroll Trustee
Who to contact, what to include, deadlines, typical grant size and geographic focus are available with membership.
Private Foundation
HAROLD J MIOSSI CHARITABLE TRUST C/O HOWARD CARROLL TRUSTEE
HAROLD J MIOSSI CHARITABLE TRUST C/O HOWARD CARROLL TRUSTEE is a Private Foundation headquartered in SAN LUIS OBISPO, CA. Financial data from the 2025 filing: $873K revenue, $2.8M expenses, $4.6M total assets. IRS filings disclose 182 grants awarded by this foundation, totaling roughly $16.8M.
EIN: 264703396
SAN LUIS OBISPO, CA
Private Independent Foundations
NTEE: T22
Latest filing: 2025
Total Revenue$873K
Total Expenses$2.8M
Total Assets$4.6M
Grants Given182
Grant Total$16.8M
Filing Years2021–2025
Sample Grants Given
SLO MUSEUM OF ARTS
CAPITAL CAMPAIGN & FINANCIAL MGR
$1,600,000
SLO BOTANICAL GARDEN
RECONSTRUCT PARKING LOT
$310,355
SAN LUIS COASTAL EDUCATION
PADDLE RAISE - POW FOR 3RDH AND 4TH
$137,200
CENTRAL COAST SALMON ENHANCEMENT
POW 4TH & 5TH, SLO RE-WILDING & RESTORATION
$120,700
PACIFIC WILDLIFE CARE
RIDENOUR CENTER
$100,000
Showing up to 5 of 182 total records — full history available with membership.
Officers & Directors
TRUSTEE
Howard Caroll
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $873K | $2.8M | $4.6M |
| 2024 | $740K | $2.0M | $6.6M |
| 2023 | $1.1M | $1.4M | $7.8M |
| 2022 | $583K | $2.6M | $8.1M |
| 2021 | $1.2M | $964K | $10.1M |
Between 2021 and 2025, reported annual revenue declined from $1.2M to $873K (-26%), with total assets most recently reported at $4.6M.
Interactive year-over-year charts and full filing details available with membership.
Grant Geography
Grants from this foundation were reported to recipients in CA.
CA
Full geographic grant map with state-by-state breakdown available with membership.