The Diem Foundation

Foundation · Grantmaker San Clemente, CA EIN: 37-6585236

The Diem Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, 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.

Key facts about The Diem Foundation

In short: The Diem Foundation gave $14K across 7 grants in 2024 (avg $2K), mostly in California. Source: 2024 IRS Form 990-PF.

EIN
37-6585236
Latest 990 filing
Form 990-PF, 2024
Annual giving (2024)
$14,100
Grants made (2024)
7
Average grant
$2,014
Median grant
$1,000
Total assets
$294,335
Primary geography
California (65% of itemized 2024 grant dollars)

Data from IRS Form 990-PF, 2024; updated September 2026.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$294K

-0.8% YoY

Annual Giving

$14K

-3.8% YoY

Grant Count

7

-22.2% YoY

Avg Grant Size

$2K

+23.7% YoY

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.

Your AI grants department

Ready to take the next step with The Diem Foundation?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Geographic Focus

Where this funder awards grants

Grant Distribution by State

4states

Share of all 7 itemized 2024 grant dollars.

Cities

San ClementeFullertonAnaheimGlendoraRancho Santa MargKapoleiLake ForestSt LouisLemon GroveNewport BeachOceansideRancho Santa MargaritaRenoSantee

Giving Over Time

Total grant dollars and number of grants per year

$0$5K$10K$15K$20K6 grants202014 grants20219 grants20229 grants20237 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 7 recipients in 2024

Calvary Chapel: $6KCalvary Chapel$6KAmerican Renaisance Academy: $5KAmerican Renaisance Academy$5KTestimony Life: $2KTestimony Life$2KCASA Rom Culture Ctr: $1KCASA Rom Culture Ctr$1K11-99 CHP Foundation: $25011-99 CHP Foundation$250Society of Mayflower: $250Society of Mayflower$250Daily Hope: $100Daily Hope$100

Grant Size Distribution

45 grants across all recorded years

45<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
CALVARY CHAPEL San Clemente, CAGENERAL$6,000
AMERICAN RENAISANCE ACADEMY Kapolei, HIGENERAL$5,000
TESTIMONY LIFE San Clemente, CAGENERAL$1,500
CASA ROM CULTURE CTR San Clemente, CAGENERAL$1,000
11-99 CHP FOUNDATION Fullerton, CAGENERAL$250
SOCIETY OF MAYFLOWER Glendora, CAGENERAL$250
DAILY HOPE Rancho Santa Margarita, CAGENERAL$100

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$10K$20K$30K20202021202220232024
Metric202420232022
Total Assets$294,335$296,696$307,765
Revenue$14,714$5,067$31
Expenses$17,075$16,136$16,899
Qualifying Distributions$14,100$14,650$15,450
Net Investment Income$14,714$5,014$31
Distributable Amount———

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

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?

The Diem Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in San Clemente, CA. It holds $294K in total assets as of 2024.

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.

Your AI grants department

Here's the math on researching The Diem Foundation by hand.

Explore Open Grants

Browse active grant opportunities in The Diem Foundation's focus areas in our free grants database

Similar Funders

Funders that support many of the same organizations

Orange County Community Foundation

Irvine, CA

OCCF supports nonprofits across arts and culture, education, health, human services, the environment, and community development, primarily in Orange County but also beyond through its charitable funds. Its 2025 grants had a median amount of $25,000, though awards varied widely; the profile does not state whether it accepts unsolicited requests.

Assets

$743.6M

Grants

975

Total Given

$120.4M

Terry Family Foundation

Carmel Valley, CA

Philanthropy, Voluntarism & Grantmaking

Assets

$30K

Grants

1

Total Given

$21K

Oneroot Foundation

Ketchum, ID

The ONEROOT FOUNDATION funds education and scholarships, ALS research, children’s basic needs, and community and leadership programs, with most 2025 grant dollars going to California and Colorado. Its 2025 grants had a median of $25,000 and ranged from $500 to $2,616,897. It gives only to preselected charitable organizations and does not accept unsolicited funding requests.

Assets

$3.7M

Grants

61

Total Given

$8.9M

Blue Adobe Foundation

Gardnerville, NV

The foundation supports preselected charities working in areas such as religious activities, food assistance, civil liberties, and services for people in need, with most 2024 funding going to organizations in California, Nevada, and North Carolina. Its 44 grants ranged from $600 to $228,500, with a median of $6,500. It does not accept unsolicited requests.

Assets

$19.5M

Grants

44

Total Given

$996K

The Chicago Community Trust

Chicago, IL

The Chicago Community Trust funds nonprofits addressing economic mobility, wealth gaps, and urgent community needs, with priorities including homeownership, small businesses, education, quality jobs, and investment in underinvested communities. Its 2025 itemized grants had a median of $26,500, though awards vary widely; grants generally benefit Chicago-region residents, and the Trust directs applicants to open opportunities but does not state whether it accepts unsolicited requests.

Assets

$7.1B

Grants

4,316

Total Given

$1.2B

Enterprise Holdings Foundation

Saint Louis, MO

Enterprise Holdings Foundation supports nonprofits in health, education, arts, disaster relief, reforestation, hunger relief, and community equity, with an emphasis on organizations actively supported by Enterprise employees and their families. Its reported grants range widely: 2024 giving averaged about $7,700 across 9,499 grants, while the foundation also offers awards of up to $40,000; it supports communities where Enterprise operates worldwide. Unsolicited requests are accepted at any time, but eligible applications must be submitted by an Enterprise team member or their spouse or domestic partner on behalf of a nonprofit they actively support.

Assets

$594.3M

Grants

1

Total Given

$101.4M

The Stimson-Miller Foundation

Portland, OR

Assets

$5.0M

Grants

17

Total Given

$274K

America's Charities

Chantilly, VA

America’s Charities distributes workplace-giving contributions to member nonprofits working in areas such as education, health, hunger, human rights, and disaster relief; it also manages emergency assistance for eligible employees. In 2024, reported grants ranged from $5,017 to $1,379,226, with a median of $9,674, and recipients were concentrated in California, Virginia, D.C., Maryland, and Pennsylvania. These disbursements are donor-directed contributions rather than competitive grants; the profile does not state whether unsolicited requests are accepted.

Assets

$36.2M

Grants

808

Total Given

$16.4M

The Oregon Community Foundation

Portland, OR

The Oregon Community Foundation funds nonprofit work in areas including education, health, arts and culture, housing, and community vitality, primarily serving communities across Oregon. Its 2024 grants had a median award of $25,000, though amounts varied widely; organizations apply through specific open grant programs, and the profile does not state whether unsolicited requests are accepted.

Philanthropy, Voluntarism & Grantmaking

Assets

$3.3B

Grants

2,149

Total Given

$171.4M

Sonance Foundation

San Clemente, CA

The Sonance Foundation funds education, environmental protection, and support for people in need, primarily in the San Clemente area and elsewhere in California. Its 2024 grants ranged from $157 to $30,053, with a median of $2,305. It gives only to preselected charitable organizations and does not accept unsolicited funding requests.

Philanthropy, Voluntarism & Grantmaking

Assets

$1.1M

Grants

36

Total Given

$132K

Silicon Valley Community Foundation

Mountain View, CA

Silicon Valley Community Foundation funds work in areas such as housing, economic security, education, health, the environment, arts and culture, and civic engagement, with Community Action Grants supporting local, community-led organizations in San Mateo and Santa Clara counties. Its 2024 grants had a median of $51,716, though amounts varied widely; applications depend on the program, and SVCF states that it does not accept unsolicited proposals for advised funds.

Philanthropy, Voluntarism & Grantmaking

Assets

$12.3B

Grants

3,576

Total Given

$3.2B

California Community Foundation

Los Angeles, CA

The California Community Foundation funds work in education, health, housing, immigration, and other community needs, primarily in Los Angeles County. Its 2025 grants had a median of $50,000, though amounts varied widely; it does not accept unsolicited funding requests.

Assets

$2.3B

Grants

2,174

Total Given

$326.6M

More Funders in California

The Diem Foundation down — hundreds of funders to go?

Want AI to do this for you?