Richard W & Phyllis B Duesenberg Foundation
Richard W & Phyllis B Duesenberg Foundation is a private foundation, based in Clayton, MO. IRS filing data is available from 2019 through 2024. As of 2024, the organization holds $15.4M in total assets. In 2024, it awarded 1 grant totaling $1.2M. Net investment income was $614K.
Richard W & Phyllis B Duesenberg Foundation at a glance
In short: Richard W & Phyllis B Duesenberg Foundation gave $1.2M across 1 grant in 2024 (avg $1.2M), mostly in Missouri. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $1,175,562
- +2.6% vs 2023
- Grants made (2024)
- 1
- +0.0% vs 2023
- Average grant
- $1,175,562
- +2.6% vs 2023
- Median grant
- $1,175,562
- Total assets
- $15,382,035
- -0.4% vs 2023
- Primary geography
- Missouri (100% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026.
Who Richard W & Phyllis B Duesenberg Foundation funds
How this funder distributes its grants
Grant Size Distribution
7 grants across all recorded years
The most common grant size was in the $1–5M range: 4 grants of 7 (57%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2024 grant dollars on its one itemized grant.
Cities
How Richard W & Phyllis B Duesenberg Foundation gives
- Giving fell 40% from 2021 to 2024. Method
- In 2024 it paid out 78% 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 2024, annual grant giving ranged from $150K (2020) to $2.0M (2021). In 2024 it made 1 grant totaling $1.2M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| See Statement B Clayton, MO | General Purpose | $1,175,562 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $15,382,035 | $1,233,346 | $1,293,112 | $1,175,562 | 1 | $1,197,975 | $614,078 | $1,527,791 |
| 2023 | $15,443,668 | $3,608,507 | $1,265,223 | $1,146,299 | 1 | $1,163,916 | $482,968 | $1,199,058 |
| 2022 | $12,412,204 | $665,716 | $1,379,053 | $1,273,892 | 1 | $1,292,261 | $585,394 | $1,192,842 |
| 2021 | $12,965,819 | $624,565 | $2,097,126 | $1,973,278 | 1 | $1,992,017 | $531,480 | $1,275,476 |
| 2020 | $13,127,222 | $428,917 | $232,044 | $150,473 | 3 | — | $449,415 | $1,074,111 |
| 2019 | $12,930,156 | $594,006 | $1,128,645 | $1,031,231 | 5 | — | $525,611 | $1,064,184 |
Under IRS private-foundation payout rules, Richard W & Phyllis B Duesenberg Foundation reported a distributable amount of $1.5M for 2024 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Richard W & Phyllis B Duesenberg Foundation's 2024 filing lists 3 officers; none of the 3 officers listed in 2024 report compensation.
Officers on the 2024 filing
Darryl Duesenberg
Trustee
On filings since 2021
1 hr/week
No compensation reported
David Duesenberg
Trustee
On filings since 2021
1 hr/week
No compensation reported
Mark Duesenberg
Trustee
On filings since 2021
1 hr/week
No compensation reported
Former officers (2)
- Former: Richard W. Duesenberg (2019–2023) — Trustee
- Former: Phyllis B. Duesenberg (2019) — Trustee
Data from IRS Form 990 filings, 2019–2024. "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 Richard W & Phyllis B Duesenberg Foundation
How much does Richard W & Phyllis B Duesenberg Foundation give each year?
Richard W & Phyllis B Duesenberg Foundation gave $1.2M across 1 grant in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $1.1M across 1 grant.
How large is Richard W & Phyllis B Duesenberg Foundation?
Richard W & Phyllis B Duesenberg Foundation reported $15.4M in total assets on its 2024 IRS Form 990-PF. It paid out $1.2M in qualifying distributions that year, against a required minimum of $1.5M (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.
Where does Richard W & Phyllis B Duesenberg Foundation operate?
Richard W & Phyllis B Duesenberg Foundation has awarded grants in Indiana, Minnesota, Missouri.
What is Richard W & Phyllis B Duesenberg Foundation's EIN?
Richard W & Phyllis B Duesenberg Foundation's EIN (Employer Identification Number) is 43-1526439. IRS Form 990 filing data is available on this page for 2019–2024.
Data last updated October 2026. Sourced from IRS Form 990-PF filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS February 22, 2022)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS August 24, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS August 5, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 8, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS August 8, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS October 8, 2025)
- IRS filings on file for fiscal years 2019–2024
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