The Diem Foundation
The Diem Foundation is a private foundation, based in San Clemente, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $294K in total assets. In 2024, it awarded 7 grants totaling $14K. Net investment income was $15K.
The Diem Foundation at a glance
In short: The Diem Foundation gave $14K across 7 grants in 2024 (avg $2K), mostly in California. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $14,100
- -3.8% vs 2023
- Grants made (2024)
- 7
- -22.2% vs 2023
- Average grant
- $2,014
- +23.7% vs 2023
- Median grant
- $1,000
- Total assets
- $294,335
- -0.8% vs 2023
- Primary geography
- California (65% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated September 2026.
Who The Diem Foundation funds
How this funder distributes its grants
Top Recipients
Top 7 recipients in 2024
The largest 2024 recipient was Calvary Chapel ($6K). Together the top 7 received $14K.
Grant Size Distribution
45 grants across all recorded years
The most common grant size was under $50K: 45 grants of 45 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 7 itemized grants.
Cities
How The Diem Foundation gives
- Giving held roughly steady from 2021 to 2024 (−19%). 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 2020 to 2024, annual grant giving ranged from $14K (2024) to $18K (2020). In 2024 it made 7 grants totaling $14K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Calvary Chapel San Clemente, CA | General | $6,000 |
| American Renaisance Academy Kapolei, HI | General | $5,000 |
| Testimony Life San Clemente, CA | General | $1,500 |
| CASA ROM Culture Ctr San Clemente, CA | General | $1,000 |
| 11-99 CHP Foundation Fullerton, CA | General | $250 |
| Society of Mayflower Glendora, CA | General | $250 |
| Daily Hope Rancho Santa Margarita, CA | General | $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 |
|---|---|---|---|---|---|---|---|
| 2024 | $294,335 | $14,714 | $17,075 | $14,100 | 7 | $14,100 | $14,714 |
| 2023 | $296,696 | $5,067 | $16,136 | $14,650 | 9 | $14,650 | $5,014 |
| 2022 | $307,765 | $31 | $16,899 | $15,450 | 9 | $15,450 | $31 |
| 2021 | $324,633 | $33 | $18,764 | $17,400 | 14 | $17,650 | $33 |
| 2020 | $343,364 | $35 | $19,132 | $17,700 | 6 | — | $35 |
Leadership & Key People
Officers and directors from IRS filings
The Diem Foundation is led by D. W. Diem, Trustee on every filing since 2020 — the only officer listed, and uncompensated.
Officers on the 2024 filing
D. W. Diem
Trustee
On filings since 2020
No compensation reported
Data from IRS Form 990 filings, 2020–2024. "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 The Diem Foundation
How much does The Diem Foundation give each year?
The Diem Foundation gave $14K across 7 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $15K across 9 grants.
What is The Diem Foundation's typical grant size?
The Diem Foundation's median grant in 2024 was $1,000, and its average grant was $2,014, across 7 grants on its 2024 IRS Form 990-PF.
Where does The Diem Foundation give grants?
The Diem Foundation gives mostly in California: 65% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was Hawaii (35%). The most frequent recipient cities were San Clemente, CA (3 grants).
Does The Diem Foundation give general operating support?
Yes: 100% of The Diem Foundation's 2024 grants with a stated purpose (7 of 7) were for general or operating support, per its 2024 IRS Form 990-PF.
Who are The Diem Foundation's largest grantees?
The Diem Foundation's largest 2024 grantees include Calvary Chapel ($6,000), American Renaisance Academy ($5,000) and Testimony Life ($1,500), according to its 2024 IRS Form 990-PF. Together they received 89% of its itemized 2024 grant dollars.
How large is The Diem Foundation?
The Diem Foundation reported $294K in total assets on its 2024 IRS Form 990-PF. Its revenue that year was $15K.
What is The Diem Foundation's EIN?
The Diem Foundation's EIN (Employer Identification Number) is 37-6585236. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Live grants for the work The Diem Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
- Nixa Affiliate Grantmaking Program Up to US $10,000 · Due October 19, 2026
- Community and School Grants $28,000 total pool; 10-15 grants expected · Due October 19, 2026
- Mary Pinola/Crescenta Valley Chamber Education Fund $500 - $5,000 for ongoing programs; up to $15,000 for Strategic Initiative Grants · Due October 19, 2026
Explore Open Grants
Browse active grant opportunities in The Diem Foundation's focus areas in our free grants database
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