Tsan Tsung Memorial Foundation
Tsan Tsung Memorial Foundation is a private foundation, based in San Marino, CA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $533K in total assets. In 2025, it awarded 5 grants totaling $5K.
Tsan Tsung Memorial Foundation at a glance
In short: Tsan Tsung Memorial Foundation gave $5K across 5 grants in 2025 (avg $928), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $4,640
- -40.8% vs 2024
- Grants made (2025)
- 5
- -28.6% vs 2024
- Average grant
- $928
- -17.1% vs 2024
- Median grant
- $1,000
- Total assets
- $533,281
- -4.0% vs 2024
- Primary geography
- California (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Tsan Tsung Memorial Foundation funds
How this funder distributes its grants
Top Recipients
Top 5 recipients in 2025
The largest 2025 recipient was Ibps ($1K). Together the top 5 received $5K.
Grant Size Distribution
31 grants across all recorded years
The most common grant size was under $50K: 31 grants of 31 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 5 itemized grants.
Cities
How Tsan Tsung Memorial Foundation gives
- Giving fell 60% from 2022 to 2025. Method
- In 2025 it paid out 90% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $5K (2025) to $17K (2020). In 2025 it made 5 grants totaling $5K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Ibps Hacienda Heights, CA | General Support | $1,440 |
| Cancer Support Community Great San Sierra Madre, CA | For General Support | $1,100 |
| Union Station Homeless Services Pasadena, CA | For General Support | $1,000 |
| San Marino Community Church San Marino, CA | For General Support | $1,000 |
| San Marino Schools Foundation San Marino, CA | For General Support | $100 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $533,281 | $7,357 | $29,498 | $4,640 | 5 | $9,687 | — | $10,813 |
| 2024 | $555,422 | $120,983 | $32,392 | $7,840 | 7 | $12,790 | $1,381 | $8,099 |
| 2023 | $466,831 | $80,480 | $41,167 | $13,500 | 3 | $19,093 | — | $994 |
| 2022 | $427,517 | $101,827 | $47,057 | $11,540 | 9 | $18,726 | — | $7,851 |
| 2021 | $372,747 | $38,971 | $48,500 | $15,550 | 7 | — | $16,128 | $17,555 |
| 2020 | $382,276 | $-6,746 | $48,164 | $16,500 | 3 | — | $12,852 | $19,699 |
| 2019 | $437,428 | $91,466 | $37,234 | $12,000 | 2 | — | $41,113 | $19,223 |
Under IRS private-foundation payout rules, Tsan Tsung Memorial Foundation reported a distributable amount of $11K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Tsan Tsung Memorial Foundation is led by Jack C. Hou, President & CEO on every filing since 2019; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Jack C. Hou
President & CEO
On filings since 2019
No compensation reported
Grace N. Hou
Secretary & CFO
On filings since 2019
No compensation reported
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Tsan Tsung Memorial Foundation
How much does Tsan Tsung Memorial Foundation give each year?
Tsan Tsung Memorial Foundation gave $5K across 5 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $8K across 7 grants.
What is Tsan Tsung Memorial Foundation's typical grant size?
Tsan Tsung Memorial Foundation's median grant in 2025 was $1,000, and its average grant was $928, across 5 grants on its 2025 IRS Form 990-PF.
Where does Tsan Tsung Memorial Foundation give grants?
Tsan Tsung Memorial Foundation gives mostly in California: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were San Marino, CA (2 grants).
Does Tsan Tsung Memorial Foundation give general operating support?
Yes: 100% of Tsan Tsung Memorial Foundation's 2025 grants with a stated purpose (5 of 5) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Tsan Tsung Memorial Foundation's largest grantees?
Tsan Tsung Memorial Foundation's largest 2025 grantees include Ibps ($1,440), Cancer Support Community Great San ($1,100) and Union Station Homeless Services ($1,000), according to its 2025 IRS Form 990-PF. Together they received 76% of its itemized 2025 grant dollars.
How large is Tsan Tsung Memorial Foundation?
Tsan Tsung Memorial Foundation reported $533K in total assets on its 2025 IRS Form 990-PF. It paid out $10K in qualifying distributions that year, against a required minimum of $11K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What is Tsan Tsung Memorial Foundation's EIN?
Tsan Tsung Memorial Foundation's EIN (Employer Identification Number) is 26-1381399. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS January 28, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS March 12, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS March 15, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS December 15, 2022)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS February 29, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS March 14, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS January 30, 2026)
- IRS filings on file for fiscal years 2019–2025
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