Robert and Susan Rosenbaum Foundation
The Robert and Susan Rosenbaum Foundation is a private foundation based in Bethesda, Maryland. It makes grants to preselected charitable organizations and does not accept unsolicited requests for funds.
Robert and Susan Rosenbaum Foundation at a glance
In short: Robert and Susan Rosenbaum Foundation gave $144K across 28 grants in 2025 (avg $5K), top state District of Columbia. 39% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $143,730
- -5.8% vs 2024
- Grants made (2025)
- 28
- -3.4% vs 2024
- Average grant
- $5,133
- -2.4% vs 2024
- Median grant
- $1,000
- Total assets
- $536,300
- -11.3% vs 2024
- New grantees (estimate)
- 39% first-time grantees (11 of 28, 2025)
- Primary geography
- District of Columbia (34% 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 Robert and Susan Rosenbaum Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 5309 Moorland Lane, Bethesda, MD 20814
Phone: (301) 652-3339
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Robert and Susan Rosenbaum Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was National Parks Conservation Ass'n ($35K). Together the top 10 received $132K.
Grant Size Distribution
162 grants across all recorded years
The most common grant size was under $50K: 161 grants of 162 (99%).
Geographic Focus
Where this funder awards grants
In 2025, grant dollars went primarily to organizations in the District of Columbia (34%), New York (22%), Virginia (22%), and Massachusetts (18%). Pennsylvania received 3%.
Grant Distribution by State
Share of 2025 grant dollars across all 28 itemized grants.
States
Cities
Is Robert and Susan Rosenbaum Foundation open to new grantees?
39%
first-time grantees, 2025
In 2025, 11 of 28 grantees (39%) were first-time recipients. First grants averaged $4K; repeat grants $6K. How we count
Medians: $625 first-time, $1K repeat.
- 61% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (−6%). Method
- In 2025 it paid out 484% 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 $108K (2020) to $188K (2023). In 2025 it made 28 grants totaling $144K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| National Parks Conservation Ass'n Washington, DC | General | $35,000 |
| The Greater Washington Telecommunications Association Arlington, VA | General | $30,000 |
| Smith College Northampton, MA | General | $25,500 |
| Columbia Law School New York, NY | General | $25,000 |
| Penn Museum Philadelphia, PA | General | $5,000 |
| ACLU New York, NY | General | $3,000 |
| Anti-Defamation League New York, NY | General | $3,000 |
| American Red Cross Washington, DC | General | $2,500 |
| Capital Area Food Bank Washington, DC | General | $1,500 |
| Planned Parenthood Federation of America Washington, DC | General | $1,500 |
Ready to take the next step with Robert and Susan Rosenbaum Foundation?
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 | $536,300 | $114,513 | $148,177 | $143,730 | 28 | $145,630 | $66,680 | $30,077 |
| 2024 | $604,593 | $42,357 | $157,993 | $152,545 | 29 | $153,712 | $38,076 | $35,884 |
| 2023 | $716,724 | $3,254 | $198,569 | $188,384 | 29 | $189,506 | $17,425 | $39,979 |
| 2022 | $865,420 | $293,385 | $158,231 | $153,593 | 38 | $157,093 | $143,385 | $38,748 |
| 2021 | $897,139 | $40,373 | $125,284 | $151,930 | 38 | $152,368 | $40,348 | $46,162 |
| 2020 | $982,461 | $265,299 | $108,521 | $108,008 | 38 | — | $133,807 | $37,260 |
Under IRS private-foundation payout rules, Robert and Susan Rosenbaum Foundation reported a distributable amount of $30K 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 grants show support for a range of organizations. For example, the Anti-Defamation League describes its mission as fighting antisemitism and other forms of hate; KIPP Baltimore says it operates public schools intended to help students attend and succeed in four-year colleges; and the Capital Area Food Bank says it works to improve access to food and opportunity. These are the grantees’ descriptions of their own missions.
Grantmaking
In 2025, the foundation made 28 grants totaling $143,730. Grants ranged from $100 to $35,000, with a median of $1,000. The largest grants included $35,000 to the National Parks Conservation Association, $30,000 to the Greater Washington Telecommunications Association, $25,500 to Smith College, and $25,000 to Columbia Law School. Other grants included $5,000 to the Penn Museum, $3,000 each to the ACLU and Anti-Defamation League, and $2,500 to the American Red Cross.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Robert Rosenbaum as president and Susan Rosenbaum as vice president.
Robert and Susan Rosenbaum Foundation is led by Robert Rosenbaum, President on every filing since 2020; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Robert Rosenbaum
President
On filings since 2020
1.5 hrs/week
No compensation reported
Susan Rosenbaum
Vice President
On filings since 2020
0.5 hrs/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 Robert and Susan Rosenbaum Foundation
How much does Robert and Susan Rosenbaum Foundation give each year?
Robert and Susan Rosenbaum Foundation gave $144K across 28 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $153K across 29 grants.
What is Robert and Susan Rosenbaum Foundation's typical grant size?
Robert and Susan Rosenbaum Foundation's median grant in 2025 was $1,000, and its average grant was $5,133, across 28 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Robert and Susan Rosenbaum Foundation that year got $4K on average.
Where does Robert and Susan Rosenbaum Foundation give grants?
Robert and Susan Rosenbaum Foundation's top state is District of Columbia, with 34% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were New York (22%) and Virginia (22%). The most frequent recipient cities were Washington, DC (16 grants), New York, NY (3 grants), Arlington, VA (2 grants) and Providence, RI (2 grants).
Does Robert and Susan Rosenbaum Foundation give general operating support?
Yes: 100% of Robert and Susan Rosenbaum Foundation's 2025 grants with a stated purpose (28 of 28) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Robert and Susan Rosenbaum Foundation's largest grantees?
Robert and Susan Rosenbaum Foundation's largest 2025 grantees include National Parks Conservation Ass'n ($35,000), The Greater Washington Telecommunications Association ($30,000) and Smith College ($25,500), according to its 2025 IRS Form 990-PF. Together they received 63% of its itemized 2025 grant dollars.
How large is Robert and Susan Rosenbaum Foundation?
Robert and Susan Rosenbaum Foundation reported $536K in total assets on its 2025 IRS Form 990-PF. It paid out $146K in qualifying distributions that year, against a required minimum of $30K (roughly 5% of its investment assets).
What does Robert and Susan Rosenbaum Foundation fund?
No foundation mission statement is provided. Its grants show support for a range of organizations. See mission & focus areas ↑
How do I apply for a grant from Robert and Susan Rosenbaum Foundation?
The foundation 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 Robert and Susan Rosenbaum Foundation's EIN?
Robert and Susan Rosenbaum Foundation's EIN (Employer Identification Number) is 81-1632009. IRS Form 990 filing data is available on this page for 2020–2025.
Does Robert and Susan Rosenbaum 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
(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 Robert and Susan Rosenbaum Foundation 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 Robert and Susan Rosenbaum Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). Robert and Susan Rosenbaum Foundation funder profile. GrantGraph. Retrieved October 19, 2026, from https://grantable.co/funders/robert-and-susan-rosenbaum-foundation-morg_56091b39e15549528b191566ea92e905
BibTeX
@misc{grantable_811632009_2026,
author = {{Grantable}},
title = {{Robert and Susan Rosenbaum Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/robert-and-susan-rosenbaum-foundation-morg_56091b39e15549528b191566ea92e905},
note = {Accessed 2026-10-19. 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 Robert and Susan Rosenbaum 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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