Private Foundation

Sone Philanthropy Inc

Sone Philanthropy Inc is a private foundation categorized as Private Foundation based in San Mateo, CA. Its most recent IRS filing (2025) reports revenue of $3K, expenses of $3K, total assets of $106K. Imperigo tracks 4 reported grants from this foundation totaling approximately $2K.

EIN: 853397356 San Mateo, CA Latest filing: 2025
Total Revenue$3K
Total Expenses$3K
Total Assets$106K
Grants Given4
Grant Total$2K
Filing Years2021–2025

Sample Grants Given

Stanford Jazz
Stanford, CA · 2024
General Support
$750
Palo Alto Partners in Education
Palo Alto, CA · 2023
General Support
$100
CalTech
Pasadena, CA · 2022
General Support
$1,000
Pencils of Promise
New York, NY · 2021
General Support
$600

Showing up to 5 of 4 total records — full history available with membership.

Officers & Directors

Treasurer Issey Sone
President Juri Sone
Vice President Kazuo Sone
Secretary Lita Sone

Officer compensation and complete director data available with membership.

Top Grant Purposes

General Support
$2,450 4 grants

Financial Trends

Year Revenue Expenses Assets
2025 $3K $3K $106K
2024 $2K $3K $106K
2023 $12K $4K $107K
2022 $41K $2K $98K
2021 $71K $9K $62K

Between 2021 and 2025, reported annual revenue declined from $71K to $3K (-96%), with total assets most recently reported at $106K.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in CA, NY.

CANY

Full geographic grant map with state-by-state breakdown available with membership.

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