TSOI DUG Foundation

Invitation Only

Walnut Creek, California · EIN 91-2167383 · Private foundation · Website

Grants paid (2024)$5,354

Organizations funded4

Typical grant$50

Total assets$498K

Half of its grants to organizations were between $50 and $100.

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From the return

How to apply

On its return for tax year 2024 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.

What it funds

Share of grant lines on the latest return, classified from the purpose each grant states.

Faith-Based1

Where it gives

25% of grants went outside California.

Where it gives most, by cause

Its largest causes in a single state on the latest return. Each page shows the leading foundations that fund the same cause there, with their largest grants.

Faith-Based grants in California1 of its grant, $200 · 2,307 foundations

Grants paid in tax year 2024

Recipient	Location	Purpose	Amount
Buddhist Tzu Chi Foundation	San Dimas, CA	Spiritual development	$200
Wikimedia Foundation Inc	San Francisco, CA	Support	$100
Salvation Army	Alexandria, VA	Assistance	$50
Shin Shin Educational Foundation	Santa Clara, CA	Support	$50

The return also lists 5 grants to individuals ($4,954). We do not publish the names of individual recipients.

Giving by year

Tax year	Grants paid	Grant lines
2024	$5,354	9
2023	$27,300	13

Sources

IRS Form 990-PF, tax year 2024, filed Nov 10, 2025 - IRS e-file batch, object ID 202523149349100742
IRS Tax Exempt Organization Search for EIN 91-2167383
Profile updated Nov 10, 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.