Steven a and Marianne M Mills
Steven a and Marianne M Mills is a private foundation based in Bronxville, New York. Its 2025 grants included support for organizations working in the arts, food assistance, civil liberties, global health, journalism, and other areas.
Steven a and Marianne M Mills at a glance
In short: Steven a and Marianne M Mills gave $557K across 45 grants in 2025 (avg $12K), mostly in New York. 27% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $556,567
- +18.3% vs 2024
- Grants made (2025)
- 45
- -10.0% vs 2024
- Average grant
- $12,368
- +31.4% vs 2024
- Median grant
- $4,000
- Total assets
- $95,949
- -13.0% vs 2024
- New grantees (estimate)
- 27% first-time grantees (12 of 44, 2025)
- Primary geography
- New York (69% 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 Steven a and Marianne M Mills
- 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: 16 Prescott Avenue, Bronxville, NY 10708
Phone: (914) 793-6274
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Steven a and Marianne M Mills funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Sherwood Forestry Service Inc ($100K). Together the top 10 received $449K.
Grant Size Distribution
218 grants across all recorded years
The most common grant size was under $50K: 207 grants of 218 (95%).
Geographic Focus
Where this funder awards grants
In 2025, grant dollars went to recipients in New York (69%), California (19%), Connecticut (5%), the District of Columbia (5%), and Montana (1%).
Grant Distribution by State
Share of 2025 grant dollars across all 45 itemized grants.
States
Cities
Is Steven a and Marianne M Mills open to new grantees?
27%
first-time grantees, 2025
In 2025, 12 of 44 grantees (27%) were first-time recipients. First grants averaged $6K; repeat grants $15K. How we count
Medians: $3K first-time, $5K repeat.
- 61% of 2025 grantees were also funded in 2024. Method
- Giving grew 21% from 2022 to 2025. Method
- In 2025 it paid out well above 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 $286K (2021) to $591K (2023). In 2025 it made 45 grants totaling $557K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Sherwood Forestry Service Inc Santa Rosa, CA | General Support | $100,000 |
| MCC Theater New York, NY | Promotion of the Arts | $85,850 |
| Feeding Westchester Elmsford, NY | General Support | $65,000 |
| New York Civil Liberties Union Foundation New York, NY | Civil Liberties | $50,000 |
| Planned Parenthood New York, NY | Family Counseling | $35,000 |
| Americares Stamford, CT | Global Health | $30,257 |
| Democracy Matters Foundation Washington, DC | General Support | $25,000 |
| Powerhouse Arts Inc Brooklyn, NY | General Support | $25,000 |
| Broadway Cares Equity Fights AIDS Inc New York, NY | Public Support - HIV/AIDS | $18,000 |
| NY Historical Society New York, NY | General Support | $15,000 |
Ready to take the next step with Steven a and Marianne M Mills?
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 | $95,949 | $1,148,161 | $564,443 | $556,567 | 45 | $561,917 | $401,047 | $2,262 |
| 2024 | $110,237 | $462,316 | $486,419 | $470,634 | 50 | $475,619 | $360,357 | $2,040 |
| 2023 | $134,340 | $695,221 | $602,658 | $591,272 | 45 | $596,022 | $552,338 | — |
| 2022 | $41,777 | $387,435 | $465,882 | $459,650 | 42 | $463,931 | $327,795 | $2,293 |
| 2021 | $120,224 | $336,502 | $294,947 | $286,490 | 36 | $290,640 | $177,742 | $4,560 |
| 2020 | $78,669 | $316,833 | $302,908 | $297,310 | 38 | — | $214,114 | $3,258 |
Under IRS private-foundation payout rules, Steven a and Marianne M Mills reported a distributable amount of $2K 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 mission statement for the foundation is provided. Its 2025 grant purposes included general support, promotion of the arts, civil liberties, family counseling, global health, and investigative journalism.
Grantees describe their own work in a range of fields. Feeding Westchester says it leads hunger-action programs and mobilizes resources to eradicate hunger in Westchester County. The New York Civil Liberties Union Foundation says it works to defend and promote civil rights and civil liberties. ProPublica describes itself as an independent nonprofit newsroom producing investigative journalism in the public interest. The New Group describes itself as an artist-driven company that develops and produces contemporary theater.
Grantmaking
In 2025, the foundation awarded 45 grants totaling $556,567. Grant amounts ranged from $50 to $100,000, with a median grant of $4,000.
Among its largest 2025 grants were $100,000 to Sherwood Forestry Service Inc. for general support; $85,850 to MCC Theater for promotion of the arts; $65,000 to Feeding Westchester for general support; and $50,000 to the New York Civil Liberties Union Foundation for civil liberties. Other notable awards included $35,000 to Planned Parenthood for family counseling, $30,257 to Americares for global health, and $25,000 each to Democracy Matters Foundation and Powerhouse Arts Inc. for general support.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Steven A Mills as president, Marianne M Mills as vice president and treasurer, and John Clark Mills as secretary.
Steven a and Marianne M Mills is led by Steven A. Mills, President on every filing since 2020; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Steven A. Mills
President
On filings since 2020
0.1 hrs/week
No compensation reported
John Clark Mills
Secretary
On filings since 2020
0.1 hrs/week
No compensation reported
Marianne M. Mills
Vice President & Treasurer
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 Steven a and Marianne M Mills
How much does Steven a and Marianne M Mills give each year?
Steven a and Marianne M Mills gave $557K across 45 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $471K across 50 grants.
What is Steven a and Marianne M Mills's typical grant size?
Steven a and Marianne M Mills's median grant in 2025 was $4,000, and its average grant was $12,368, across 45 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Steven a and Marianne M Mills that year got $6K on average.
Where does Steven a and Marianne M Mills give grants?
Steven a and Marianne M Mills gives mostly in New York: 69% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were California (19%) and Connecticut (5%). The most frequent recipient cities were New York, NY (25 grants), Washington, DC (3 grants) and Bronxville, NY (3 grants).
Does Steven a and Marianne M Mills give general operating support?
Yes: 56% of Steven a and Marianne M Mills's 2025 grants with a stated purpose (25 of 45) were for general or operating support, per its 2025 IRS Form 990-PF. Recurring purposes include "Promotion of the Arts" (5 grants).
Who are Steven a and Marianne M Mills's largest grantees?
Steven a and Marianne M Mills's largest 2025 grantees include Sherwood Forestry Service Inc ($100,000), MCC Theater ($85,850) and Feeding Westchester ($65,000), according to its 2025 IRS Form 990-PF. Together they received 45% of its itemized 2025 grant dollars.
How large is Steven a and Marianne M Mills?
Steven a and Marianne M Mills reported $96K in total assets on its 2025 IRS Form 990-PF. It paid out $562K in qualifying distributions that year, against a required minimum of $2K (roughly 5% of its investment assets).
What does Steven a and Marianne M Mills fund?
No mission statement for the foundation is provided. Its 2025 grant purposes included general support, promotion of the arts, civil liberties, family counseling, global health, and investigative journalism. See mission & focus areas ↑
How do I apply for a grant from Steven a and Marianne M Mills?
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 Steven a and Marianne M Mills's EIN?
Steven a and Marianne M Mills's EIN (Employer Identification Number) is 31-1764912. IRS Form 990 filing data is available on this page for 2020–2025.
Does Steven a and Marianne M Mills 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
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 14, 2026)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work Steven a and Marianne M Mills funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
- Nixa Affiliate Grantmaking Program Up to US $10,000 · Due October 19, 2026
- Community and School Grants $28,000 total pool; 10-15 grants expected · Due October 19, 2026
- Mary Pinola/Crescenta Valley Chamber Education Fund $500 - $5,000 for ongoing programs; up to $15,000 for Strategic Initiative Grants · Due October 19, 2026
Explore Open Grants
Browse active grant opportunities in Steven a and Marianne M Mills's focus areas in our free grants database
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Cite this profile
Grantable. (2026). Steven a and Marianne M Mills funder profile. GrantGraph. Retrieved October 18, 2026, from https://grantable.co/funders/steven-a-and-marianne-m-mills-morg_3c6cc0904ebe46d495c80b6010e848bf
BibTeX
@misc{grantable_311764912_2026,
author = {{Grantable}},
title = {{Steven a and Marianne M Mills funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/steven-a-and-marianne-m-mills-morg_3c6cc0904ebe46d495c80b6010e848bf},
note = {Accessed 2026-10-18. 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 Steven a and Marianne M Mills'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.
Steven a and Marianne M Mills down — hundreds of funders to go?