John & Joan D'Addario Foundation Inc
The John & Joan D'Addario Foundation Inc is a private foundation based in Locust Valley, New York. Its 2025 grants supported organizations working in music and the arts, healthcare, and social services, among other charitable activities.
John & Joan D'Addario Foundation Inc at a glance
In short: John & Joan D'Addario Foundation Inc gave $196K across 29 grants in 2025 (avg $7K), mostly in Arizona. 21% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $196,000
- +5.0% vs 2024
- Grants made (2025)
- 29
- -14.7% vs 2024
- Average grant
- $6,759
- +23.1% vs 2024
- Median grant
- $4,500
- Total assets
- $1,911,586
- +1.7% vs 2024
- New grantees (estimate)
- 21% first-time grantees (6 of 29, 2025)
- Primary geography
- Arizona (51% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to John & Joan D'Addario Foundation Inc
- 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: PO Box 882, Locust Valley, NY 11560
Phone: (516) 364-5050
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who John & Joan D'Addario Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Musical Instrument Museum ($50K). Together the top 10 received $146K.
Grant Size Distribution
149 grants across all recorded years
The most common grant size was under $50K: 143 grants of 149 (96%).
Geographic Focus
Where this funder awards grants
In 2025, 51% of grant dollars went to recipients in Arizona and 45% to recipients in New York. California accounted for 3% and Massachusetts for 1%.
Grant Distribution by State
Share of 2025 grant dollars across all 29 itemized grants.
States
Cities
Is John & Joan D'Addario Foundation Inc open to new grantees?
21%
first-time grantees, 2025
In 2025, 6 of 29 grantees (21%) were first-time recipients. First grants averaged $2K; repeat grants $8K. How we count
Medians: $2K first-time, $5K repeat.
- 72% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (−19%). Method
- In 2025 it paid out 215% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). 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 2020 to 2025, annual grant giving ranged from $122K (2020) to $243K (2022). In 2025 it made 29 grants totaling $196K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Musical Instrument Museum Phoenix, AZ | To Help Support the Organizations Cause | $50,000 |
| Midori & Friends New York, NY | To Help Support the Organizations Cause | $20,000 |
| Guild Hall of East Hampton East Hampton, NY | To Help Support the Organizations Cause | $10,000 |
| Lead Guitar Tuscon, AZ | To Help Support the Organizations Cause | $10,000 |
| Northwell Health Foundation New Hyde Park, NY | To Help Support the Organizations Cause | $10,000 |
| Phoenix Conservatory of Music Phoenix, AZ | To Help Support the Organizations Cause | $10,000 |
| Providence House Bronx, NY | To Help Suppor the Organizations Cause | $10,000 |
| Rosie's House Phoenix, AZ | To Help Support the Organizations Cause | $10,000 |
| St Francis Hospital Foundation Roslyn, NY | To Help Support the Organizations Cause | $10,000 |
| Peconic Bay Medical Center Riverhead, NY | To Help Support the Organizations Cause | $6,000 |
Ready to take the next step with John & Joan D'Addario Foundation Inc?
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 | $1,911,586 | $171,824 | $212,656 | $196,000 | 29 | $196,000 | $160,977 | $91,153 |
| 2024 | $1,878,901 | $139,838 | $205,383 | $186,670 | 34 | $186,670 | $80,142 | $84,326 |
| 2023 | $1,610,336 | $166,813 | $189,155 | $173,500 | 27 | $173,500 | $157,453 | $78,384 |
| 2022 | $1,790,168 | $98,479 | $258,799 | $242,670 | 33 | $242,670 | $86,864 | $99,524 |
| 2021 | $2,142,966 | $454,363 | $205,905 | $190,610 | 26 | — | $154,992 | $80,578 |
| 2020 | $1,399,346 | $288,548 | $133,856 | $122,230 | 21 | — | $80,637 | $65,811 |
Under IRS private-foundation payout rules, John & Joan D'Addario Foundation Inc reported a distributable amount of $91K 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
No foundation mission statement is provided. Its 2025 grants included support for arts and music organizations, a healthcare foundation, and organizations addressing homelessness and justice involvement.
Grantees describe their work in varied terms. The Musical Instrument Museum says it collects, preserves, and makes musical instruments and performance videos accessible, while Guild Hall describes itself as a museum, performing arts, and education center. Lead Guitar says it offers free in-school guitar programs to students facing socioeconomic challenges. Providence House says it serves and advocates for women and families at risk of harm who have histories of homelessness or justice involvement. Northwell Health Foundation says it directs philanthropic support toward needs including care for underserved and uninsured people, medical technology and research, and facilities and programs.
Grantmaking
In 2025, the foundation awarded 29 grants totaling $196,000. Grant amounts ranged from $1,000 to $50,000, with a median of $4,500. Among the largest grants were $50,000 to the Musical Instrument Museum; $20,000 to Midori & Friends; and $10,000 each to Guild Hall of East Hampton, Lead Guitar, Northwell Health Foundation, Phoenix Conservatory of Music, Providence House, Rosie’s House, and St. Francis Hospital Foundation.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists John D’Addario Jr as president; Joan D’Addario as treasurer/secretary; and John D’Addario III, Suzanne D’Addario Brouder, Laura D’Addario Rodriguez, and Michael D’Addario as directors.
John & Joan D'Addario Foundation Inc is led by John D'addario Jr., President on every filing since 2020; none of the 6 officers listed in 2025 report compensation.
Officers on the 2025 filing
John D'addario Jr.
President
On filings since 2020
2 hrs/week
No compensation reported
John D'addario III
Director
On filings since 2020
0.5 hrs/week
No compensation reported
Laura D'addario Rodriguez
Director
On filings since 2020
0.5 hrs/week
No compensation reported
Michael D'addario
Director
On filings since 2020
0.5 hrs/week
No compensation reported
Suzanne D'addario Brouder
Director
On filings since 2020
0.5 hrs/week
No compensation reported
Joan D'addario
Treasurer & Secretary
On filings since 2020
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "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 John & Joan D'Addario Foundation Inc
How much does John & Joan D'Addario Foundation Inc give each year?
John & Joan D'Addario Foundation Inc gave $196K across 29 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $187K across 34 grants.
What is John & Joan D'Addario Foundation Inc's typical grant size?
John & Joan D'Addario Foundation Inc's median grant in 2025 was $4,500, and its average grant was $6,759, across 29 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from John & Joan D'Addario Foundation Inc that year got $2K on average.
Where does John & Joan D'Addario Foundation Inc give grants?
John & Joan D'Addario Foundation Inc gives mostly in Arizona: 51% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was New York (45%). The most frequent recipient cities were Phoenix, AZ (6 grants), New York, NY (2 grants) and Scottsdale, AZ (2 grants).
Does John & Joan D'Addario Foundation Inc give general operating support?
Not in 2025: none of the 29 grants with a stated purpose on John & Joan D'Addario Foundation Inc's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "To Help Support the Organizations Cause" (28 grants).
Who are John & Joan D'Addario Foundation Inc's largest grantees?
John & Joan D'Addario Foundation Inc's largest 2025 grantees include Musical Instrument Museum ($50,000), Midori & Friends ($20,000) and Guild Hall of East Hampton ($10,000), according to its 2025 IRS Form 990-PF. Together they received 41% of its itemized 2025 grant dollars.
How large is John & Joan D'Addario Foundation Inc?
John & Joan D'Addario Foundation Inc reported $1.9M in total assets on its 2025 IRS Form 990-PF. It paid out $196K in qualifying distributions that year, against a required minimum of $91K (roughly 5% of its investment assets).
What does John & Joan D'Addario Foundation Inc fund?
No foundation mission statement is provided. Its 2025 grants included support for arts and music organizations, a healthcare foundation, and organizations addressing homelessness and justice involvement. See mission & focus areas ↑
How do I apply for a grant from John & Joan D'Addario Foundation Inc?
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 John & Joan D'Addario Foundation Inc's EIN?
John & Joan D'Addario Foundation Inc's EIN (Employer Identification Number) is 11-3440873. IRS Form 990 filing data is available on this page for 2020–2025.
Does John & Joan D'Addario Foundation Inc accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated September 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS January 26, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS August 20, 2021)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS December 20, 2022)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS August 2, 2023)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS July 16, 2024)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS February 3, 2026)
- IRS filings on file for fiscal years 2020–2025
Explore Open Grants
Browse active grant opportunities in John & Joan D'Addario Foundation Inc's focus areas in our free grants database
Similar Funders
Funders with grantees in common, and similar funders in New York
Arizona Community Foundation
Phoenix, AZ
Arizona Community Foundation funds nonprofits, schools, tribal entities, government agencies, and most religious organizations in areas including arts and culture, community development, the environment, health, and education. Its 2025 grants had a median of $17,760; most funding goes to Arizona, though it also awards grants nationally. Competitive grants require an online application during an open cycle; the profile does not state whether unsolicited requests are accepted.
Assets
$1.2B
Grants
1,174
Total Given
$92.9M
Virginia G Piper Charitable Trust
Phoenix, AZ
Virginia G Piper Charitable Trust funds nonprofits and community partners serving Maricopa County, Arizona, in arts and culture, children, education, healthcare, older adults, religion, and nonprofit capacity. In 2025, grants ranged from $25 to $1 million, with a median of $7,500. It uses a competitive application process that begins with a Letter of Inquiry; unsolicited requests are not explicitly addressed.
Assets
$429.9M
Grants
483
Total Given
$24.5M
The Ford Foundation
New York, NY
The Ford Foundation funds organizations and initiatives working to reduce inequality and advance social justice, including work on civic engagement, civil rights, climate justice, disability rights, and technology and society. In 2024, its grants ranged from $45 to $15 million, with a median of $100,000, supporting work in the U.S. and internationally. It says most grants are identified by the foundation and it does not accept unsolicited proposals by mail, email, or phone; limited opportunities may be offered separately.
Assets
$17.5B
Grants
4,007
Total Given
$844.7M
The New York Community Trust
New York, NY
The New York Community Trust funds nonprofit programs in areas such as arts, education, health, the environment, workforce development, and youth development, including projects that improve services, build organizational capacity, or advance policy and systems change. Its competitive grants mainly serve New York City, Long Island, and Westchester, with some national and international environmental funding; the 2024 median grant was $20,000. The profile does not state whether it accepts unsolicited requests.
Assets
$3.5B
Grants
2,748
Total Given
$193.8M
The Simons Foundation Inc
New York, NY
The Simons Foundation funds research and public engagement in mathematics and the physical, life, autism, and neuroscience sciences. In 2024, it made 1,727 grants, with a median award of $72,000 and amounts ranging from $1,480 to $20 million, supporting organizations in the U.S. and internationally. It states that it funds only preselected charitable organizations and does not accept unsolicited requests.
Assets
$4.5B
Grants
1,727
Total Given
$272.0M
Local Initiatives Support Corporation
New York, NY
LISC funds affordable housing, community development, small businesses, and related efforts that strengthen inclusive communities, providing grants as well as loans, equity, and technical assistance across the country. Its 2024 grants had a median award of $40,000, though amounts varied widely. Application access is program-specific: for its Rhode Island child care facilities planning grants, applicants are instructed to consult program staff before submitting a request.
Assets
$1.6B
Grants
1,119
Total Given
$102.8M
More Funders in New York
Cite this profile
Grantable. (2026). John & Joan D'Addario Foundation Inc funder profile. GrantGraph. Retrieved October 5, 2026, from https://grantable.co/funders/john-and-joan-d-addario-foundation-inc-morg_72884cb6ceb24ba6bd1a9d9a255640be
BibTeX
@misc{grantable_113440873_2026,
author = {{Grantable}},
title = {{John \& Joan D'Addario Foundation Inc funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/john-and-joan-d-addario-foundation-inc-morg_72884cb6ceb24ba6bd1a9d9a255640be},
note = {Accessed 2026-10-05. 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 John & Joan D'Addario 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.
John & Joan D'Addario Foundation Inc down — hundreds of funders to go?