Private Foundation

AUGUST & SYLVIA SEBASTIANI FOUNDATION (FKA AUGUST SEBASTIANI CHARITABLE TRUST)

AUGUST & SYLVIA SEBASTIANI FOUNDATION (FKA AUGUST SEBASTIANI CHARITABLE TRUST), of SONOMA, CA, is a Private Foundation tracked in Imperigo's IRS 990 database. The 2025 filing shows $44K in revenue, $35K in expenses, $11K in total assets. IRS filings disclose 56 grants awarded by this foundation, totaling roughly $1.0M.

EIN: 680386154 SONOMA, CA Private Grantmaking Foundations NTEE: T20 Latest filing: 2025
Total Revenue$44K
Total Expenses$35K
Total Assets$11K
Grants Given56
Grant Total$1.0M
Filing Years2021–2025

Sample Grants Given

ST FRANCIS SOLANO SCHOOL
SONOMA, CA · 2025
NO SPECIFIC PURPOSE.
$23,307
CRESCENT MONTESSORI
SONOMA, CA · 2025
NO SPECIFIC PURPOSE.
$3,059
JS PALUCH COMPANYST FRANCIS OF ASSISI
WALNUT CREEK, CA · 2025
NO SPECIFC PURPOSE.
$2,496
JUSTIN-SIENA HIGH SCHOOL
NAPA, CA · 2025
NO SPECIFIC PURPOSE.
$2,000
ST FRANCIS SOLANO SCHOOL
SONOMA, CA · 2024
NO SPECIFIC PURPOSE.
$20,874

Showing up to 5 of 56 total records — full history available with membership.

Officers & Directors

TRUSTEE August D Sebastiani
TRUSTEE Don A Sebastiani Jr
TRUSTEE Emilia Sebastiani Coakley

Officer compensation and complete director data available with membership.

Top Grant Purposes

NO SPECIFIC PURPOSE.
$716,308 32 grants
WIDOW ASSISTANCE.
$250,800 8 grants
NO SPECIFC PURPOSE.
$20,736 8 grants
NO SPECIFIC PURPOSE
$14,691 5 grants
NO SPECIFC PURPOSE
$1,067 1 grant

Financial Trends

Year Revenue Expenses Assets
2025 $44K $35K $11K
2024 $500 $32K $140
2023 — $53K $31K
2022 $114K $101K $85K
2021 $199K $129K $72K

Between 2021 and 2025, reported annual revenue declined from $199K to $44K (-78%), with total assets most recently reported at $11K.

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.

Similar Organizations in CA

WENHUA FOUNDATION
SAN JOSE, CA · Private Grantmaking Foundations
EDWARD K MARTIN FOUNDATION INC
Clovis, CA · Private Grantmaking Foundations
THE CHRIS AND MELODY MALACHOWSKY FAMILY FOUNDATION
CAMPBELL, CA · Private Grantmaking Foundations
CM CHEN FOUNDATION INC CO PHILIP L CHAN CPA
PASADENA, CA · Private Grantmaking Foundations
THE YU FAMILY FOUNDATION
MILPITAS, CA · Private Grantmaking Foundations

Browse all nonprofits & foundations in Sonoma, →

See the full picture for AUGUST & SYLVIA SEBASTIANI FOUNDATION (FKA AUGUST SEBASTIANI CHARITABLE TRUST)

Complete financials, all 56 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 498,000+ organizations.

Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports
Start Free Trial → Log In
7-day free trial Cancel any time