C Steven Duncker Foundation
C Steven Duncker Foundation is a private foundation based in Melville, New York. It supports other tax-exempt organizations through contributions; the foundation states in its 2023 filing that it does not conduct direct charitable activities.
C Steven Duncker Foundation at a glance
In short: C Steven Duncker Foundation gave $514K across 16 grants in 2025 (avg $32K), mostly in North Carolina. 44% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $514,000
- +2.4% vs 2024
- Grants made (2025)
- 16
- +23.1% vs 2024
- Average grant
- $32,125
- -16.8% vs 2024
- Median grant
- $5,000
- Total assets
- $2,286,503
- +21.2% vs 2024
- New grantees (estimate)
- 44% first-time grantees (7 of 16, 2025; small sample)
- Primary geography
- North Carolina (88% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to C Steven Duncker Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 175 Broadhollow Road Suite 250, Melville, NY 11747
Phone: (516) 228-9000
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who C Steven Duncker Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Duke University ($400K). Together the top 10 received $500K.
Grant Size Distribution
65 grants across all recorded years
The most common grant size was under $50K: 54 grants of 65 (83%).
Geographic Focus
Where this funder awards grants
In 2025, 88% of grant dollars went to recipients in North Carolina, 8% to New York, 3% to New Hampshire, and 1% to Florida.
Grant Distribution by State
Share of 2025 grant dollars across all 16 itemized grants.
States
Cities
Is C Steven Duncker Foundation open to new grantees?
44%
first-time grantees, 2025
In 2025, 7 of 16 grantees (44%) were first-time recipients. With only 16 grantees, that is a small sample: one grantee more or less moves the share by about 6 points. First grants averaged $4K; repeat grants $54K. How we count
Medians: $3K first-time, $5K repeat.
- 44% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (+5%). Method
- In 2025 it paid out 230% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2021–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2021 to 2025, annual grant giving ranged from $286K (2021) to $514K (2025). In 2025 it made 16 grants totaling $514K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Duke University Durham, NC | See Statement #8 | $400,000 |
| Durham Academy Durham, NC | See Statement #8 | $45,000 |
| James B Lee Scholarship Fund Westhampton Beach, NY | See Statement #8 | $10,000 |
| New York Racing Association Foundation Jamaica, NY | See Statement #8 | $10,000 |
| The Exeter Fund Exeter, NH | See Statement #8 | $10,000 |
| Backstretch Employee Service Team of New York Elmont, NY | See Statement #8 | $5,000 |
| Duke Childrens Hospital Durham, NC | See Statement #8 | $5,000 |
| Grayson Jockey Club Foundation New York, NY | See Statement #8 | $5,000 |
| Jockey Club Safety Net Foundation New York, NY | See Statement #8 | $5,000 |
| New York Race Track Chaplaincy Elmont, NY | See Statement #8 | $5,000 |
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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 | $2,286,503 | $969,753 | $569,914 | $514,000 | 16 | $516,500 | $943,375 | $224,684 |
| 2024 | $1,886,664 | $627,405 | $534,645 | $502,000 | 13 | $504,500 | $602,533 | $210,783 |
| 2023 | $1,793,904 | $587,880 | $538,496 | $492,500 | 13 | $495,000 | $551,384 | $201,138 |
| 2022 | $1,744,520 | $588,446 | $521,520 | $490,000 | 8 | $492,250 | $557,619 | $237,687 |
| 2021 | $1,677,594 | $962,166 | $320,114 | $286,000 | 15 | — | $905,551 | $218,968 |
Under IRS private-foundation payout rules, C Steven Duncker Foundation reported a distributable amount of $225K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
The foundation’s 2023 filing describes its primary purpose as supporting other exempt organizations through contributions. Its 2025 grants included educational institutions and organizations serving people experiencing homelessness, among other recipients. Durham Academy describes its mission as providing students an education to support moral, happy, and productive lives, with intellectual development central to its work. The Lord’s Place describes its mission as breaking the cycle of homelessness for men, women, and children in its community.
Grantmaking
In 2025, the foundation gave $514,000 through 16 grants. Grant amounts ranged from $500 to $400,000, with a median of $5,000. Its largest grants included $400,000 to Duke University and $45,000 to Durham Academy, both in Durham, North Carolina. Other grants included $10,000 each to the James B Lee Scholarship Fund and New York Racing Association Foundation in New York, and The Exeter Fund in New Hampshire. The foundation also gave $5,000 to The Lord’s Place in Florida.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists C Steven Duncker and Christy Helen Blumenhorst as trustees.
C Steven Duncker Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
C. Steven Duncker
Trustee
On filings since 2021
10 hrs/week
No compensation reported
Christy Helen Blumenhorst
Trustee
On filings since 2021
10 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2021–2025. "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 C Steven Duncker Foundation
How much does C Steven Duncker Foundation give each year?
C Steven Duncker Foundation gave $514K across 16 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $502K across 13 grants.
What is C Steven Duncker Foundation's typical grant size?
C Steven Duncker Foundation's median grant in 2025 was $5,000, and its average grant was $32,125, across 16 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from C Steven Duncker Foundation that year got $4K on average.
Where does C Steven Duncker Foundation give grants?
C Steven Duncker Foundation gives mostly in North Carolina: 88% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was New York (8%). The most frequent recipient cities were Durham, NC (3 grants), Exeter, NH (3 grants), New York, NY (3 grants) and Elmont, NY (2 grants).
Does C Steven Duncker Foundation give general operating support?
Not in 2025: none of the 16 grants with a stated purpose on C Steven Duncker Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "See Statement #8" (16 grants).
Who are C Steven Duncker Foundation's largest grantees?
C Steven Duncker Foundation's largest 2025 grantees include Duke University ($400,000), Durham Academy ($45,000) and James B Lee Scholarship Fund ($10,000), according to its 2025 IRS Form 990-PF. Together they received 89% of its itemized 2025 grant dollars.
How large is C Steven Duncker Foundation?
C Steven Duncker Foundation reported $2.3M in total assets on its 2025 IRS Form 990-PF. It paid out $517K in qualifying distributions that year, against a required minimum of $225K (roughly 5% of its investment assets).
What does C Steven Duncker Foundation fund?
The foundation’s 2023 filing describes its primary purpose as supporting other exempt organizations through contributions. Its 2025 grants included educational institutions and organizations serving people experiencing homelessness, among other recipients. See mission & focus areas ↑
How do I apply for a grant from C Steven Duncker Foundation?
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is C Steven Duncker Foundation's EIN?
C Steven Duncker Foundation's EIN (Employer Identification Number) is 13-3932635. IRS Form 990 filing data is available on this page for 2021–2025.
Does C Steven Duncker Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 30, 2021)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS March 3, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS December 13, 2023)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS December 20, 2024)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS February 10, 2026)
- IRS filings on file for fiscal years 2021–2025
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Cite this profile
Grantable. (2026). C Steven Duncker Foundation funder profile. GrantGraph. Retrieved October 12, 2026, from https://grantable.co/funders/c-steven-duncker-foundation-morg_91eaff4b6899465eaa50cc3432086ab6
BibTeX
@misc{grantable_133932635_2026,
author = {{Grantable}},
title = {{C Steven Duncker Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/c-steven-duncker-foundation-morg_91eaff4b6899465eaa50cc3432086ab6},
note = {Accessed 2026-10-12. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from C Steven Duncker Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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