Sibley Family Foundation Inc
Sibley Family Foundation Inc is a private foundation based in Ponce Inlet, Florida. In its 2025 filing, it reported grants to charitable organizations, most of them in New York.
Sibley Family Foundation Inc at a glance
In short: Sibley Family Foundation Inc gave $135K across 28 grants in 2025 (avg $5K), mostly in New York. 100% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $135,400
- +64.1% vs 2024
- Grants made (2025)
- 28
- -6.7% vs 2024
- Average grant
- $4,836
- +75.8% vs 2024
- Median grant
- $3,750
- Total assets
- $1,496,196
- -6.9% vs 2024
- New grantees (estimate)
- 100% first-time grantees (28 of 28, 2025)
- Primary geography
- New York (94% 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 Sibley Family Foundation Inc
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations.
- Contact
Mailing address: 4367 South Atlantic Avenue, Ponce Inlet, FL 32127
Phone: (516) 885-9379
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Sibley Family Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Check #325 Guide Dog Foundation ($50K). Together the top 10 received $101K.
Grant Size Distribution
146 grants across all recorded years
The most common grant size was under $50K: 145 grants of 146 (99%).
Geographic Focus
Where this funder awards grants
In 2025, 94% of grant dollars went to recipients in New York. Recipients in Maryland received 3%, while Tennessee, Washington, DC, and Florida each accounted for 1%.
Grant Distribution by State
Share of 2025 grant dollars across all 28 itemized grants.
Cities
Is Sibley Family Foundation Inc open to new grantees?
100%
first-time grantees, 2025
In 2025, 28 of 28 grantees (100%) were first-time recipients. First grants averaged $5K. How we count
- 0% of 2025 grantees were also funded in 2024. Method
- Giving grew 54% from 2022 to 2025. Method
- In 2025 it paid out 135% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). 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 2019 to 2025, annual grant giving ranged from $52K (2019) to $135K (2025). In 2025 it made 28 grants totaling $135K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Check #325 Guide Dog Foundation Smithtown, NY | Charitable | $50,000 |
| CHECK #302 Guide Dog Foundation Smithtown, NY | Charitable | $7,500 |
| CHECK #306 Guide Dog Foundation Smithtown, NY | Charitable | $6,000 |
| CHECK #315 Guide Dog Foundation Smithtown, NY | Charitable | $6,000 |
| CHECK #321 Guide Dog Foundation Smithtown, NY | Charitable | $6,000 |
| CHECK #310 St Patricks Outreach Smithtown, NY | Charitable | $5,000 |
| CHECK #311 Long Island Cares Hauppauge, NY | Charitable | $5,000 |
| CHECK #312 Island Harvest Melville, NY | Charitable | $5,000 |
| CHECK #313 Parkinson's Foundation New York, NY | Charitable | $5,000 |
| CHECK #320 Parkinson's Foundation New York, NY | Charitable | $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 | $1,496,196 | $25,599 | $136,534 | $135,400 | 28 | $135,400 | $24,465 | $100,368 |
| 2024 | $1,607,131 | $25,463 | $83,500 | $82,500 | 30 | $82,500 | $24,463 | $87,641 |
| 2023 | $1,665,168 | $23,572 | $70,500 | $69,500 | 27 | $69,500 | $22,572 | $73,042 |
| 2022 | $1,712,096 | $42,982 | $89,000 | $87,750 | 33 | $87,750 | $41,732 | $75,929 |
| 2021 | $1,758,114 | $41,461 | $73,500 | $73,250 | 28 | $73,250 | $41,211 | $77,840 |
| 2020 | $1,790,153 | $27,895 | $64,250 | $64,000 | 25 | — | $27,645 | $66,226 |
| 2019 | $1,826,508 | $27,174 | $51,750 | $51,500 | 21 | — | $26,924 | $56,468 |
Under IRS private-foundation payout rules, Sibley Family Foundation Inc reported a distributable amount of $100K 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 own mission is not stated. Its 2025 grants included support for organizations that provide guide dog services, food assistance, Parkinson’s-related services, and outreach. These descriptions reflect the grantees’ work, not a stated foundation focus.
Grantmaking
In filing year 2025, the foundation reported 28 grants totaling $135,400. Grant amounts ranged from $400 to $50,000, with a median of $3,750.
Notable grants included $50,000 to Guide Dog Foundation in Smithtown, New York; $7,500 and four grants of $6,000 to the same organization; $5,000 each to St Patricks Outreach, Long Island Cares, Island Harvest, and Parkinson’s Foundation; and additional $5,000 grants to Long Island Cares, Island Harvest, and Parkinson’s Foundation.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Corydon Sibley Jr as president, Ellen Sibley as vice-president, Christopher Sibley as secretary, Eric Sibley as treasurer, and Mark Sibley as director.
Sibley Family Foundation Inc is led by Corydon Sibley Jr., President on every filing since 2019; none of the 5 officers listed in 2025 report compensation.
Officers on the 2025 filing
Corydon Sibley Jr.
President
On filings since 2019
No compensation reported
Mark Sibley
Director
On filings since 2019
No compensation reported
Christopher Sibley
Secretary
On filings since 2019
No compensation reported
Ellen Sibley
Vice President
On filings since 2019
No compensation reported
Eric Sibley
Treasurer
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 Sibley Family Foundation Inc
How much does Sibley Family Foundation Inc give each year?
Sibley Family Foundation Inc gave $135K across 28 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $83K across 30 grants.
What is Sibley Family Foundation Inc's typical grant size?
Sibley Family Foundation Inc's median grant in 2025 was $3,750, and its average grant was $4,836, across 28 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Sibley Family Foundation Inc that year got $5K on average.
Where does Sibley Family Foundation Inc give grants?
Sibley Family Foundation Inc gives mostly in New York: 94% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Smithtown, NY (9 grants), New York, NY (5 grants), Hauppauge, NY (3 grants) and Melville, NY (3 grants).
Does Sibley Family Foundation Inc give general operating support?
Not in 2025: none of the 28 grants with a stated purpose on Sibley Family Foundation Inc's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Charitable" (28 grants).
Who are Sibley Family Foundation Inc's largest grantees?
Sibley Family Foundation Inc's largest 2025 grantees include Check #325 Guide Dog Foundation ($50,000), CHECK #302 Guide Dog Foundation ($7,500) and CHECK #306 Guide Dog Foundation ($6,000), according to its 2025 IRS Form 990-PF. Together they received 47% of its itemized 2025 grant dollars.
How large is Sibley Family Foundation Inc?
Sibley Family Foundation Inc reported $1.5M in total assets on its 2025 IRS Form 990-PF. It paid out $135K in qualifying distributions that year, against a required minimum of $100K (roughly 5% of its investment assets).
What does Sibley Family Foundation Inc fund?
The foundation’s own mission is not stated. Its 2025 grants included support for organizations that provide guide dog services, food assistance, Parkinson’s-related services, and outreach. These descriptions reflect the grantees’ work, not a stated foundation focus. See mission & focus areas ↑
How do I apply for a grant from Sibley Family Foundation Inc?
The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Sibley Family Foundation Inc's EIN?
Sibley Family Foundation Inc's EIN (Employer Identification Number) is 82-3703062. IRS Form 990 filing data is available on this page for 2019–2025.
Does Sibley Family Foundation Inc 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
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2019 (received by the IRS June 3, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 14, 2026)
- IRS filings on file for fiscal years 2020–2024
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Figures come from Sibley Family Foundation Inc'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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