Rosenbluth Family Foundation
The Rosenbluth Family Foundation is a private foundation based in Mill Valley, California. It made 22 grants totaling $295,000 in 2025, supporting charitable organizations that include food banks, health clinics, and youth-serving organizations.
Rosenbluth Family Foundation at a glance
In short: Rosenbluth Family Foundation gave $295K across 22 grants in 2025 (avg $13K), mostly in California. 0% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $295,000
- +20.0% vs 2024
- Grants made (2025)
- 22
- -8.3% vs 2024
- Average grant
- $13,409
- +31.0% vs 2024
- Median grant
- $7,000
- Total assets
- $1,866,538
- +3.3% vs 2024
- New grantees (estimate)
- 0% first-time grantees (0 of 22, 2025; small sample)
- Primary geography
- California (99% 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 Rosenbluth Family Foundation
- How to Apply
-
The 2025 filing lists Harry Rosenbluth as the contact and says to submit materials by mail. The foundation does not restrict giving to preselected organizations. The filing lists no application deadline and no restrictions on awards.
- Contact
Application contact: Harry Rosenbluth
Mailing address: 28 Midhill Drive, Mill Valley, CA 94941
Phone: (415) 464-2890
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Rosenbluth Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Marinsan Francisco Food Bank ($91K). Together the top 10 received $244K.
Grant Size Distribution
129 grants across all recorded years
The most common grant size was under $50K: 127 grants of 129 (98%).
Geographic Focus
Where this funder awards grants
In 2025, 99% of grant dollars went to recipients in California and 1% to recipients in New Hampshire. The listed grants include organizations in Marin County and San Francisco, as well as recipients elsewhere in California.
Grant Distribution by State
Share of 2025 grant dollars across all 22 itemized grants.
Cities
Is Rosenbluth Family Foundation open to new grantees?
0%
first-time grantees, 2025
In 2025, 0 of 22 grantees (0%) were first-time recipients. With only 22 grantees, that is a small sample: one grantee more or less moves the share by about 5 points. How we count
- 100% of 2025 grantees were also funded in 2024. Method
- Giving grew 41% from 2022 to 2025. Method
- In 2025 it paid out 102% 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 $204K (2021) to $295K (2025). In 2025 it made 22 grants totaling $295K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Marinsan Francisco Food Bank Novato, CA | Support of Organization's Charitable Purpose | $91,000 |
| Marin Commumity Clinics San Rafael, CA | Support of Organization's Charitable Purpose | $58,500 |
| Hair to Stay San Francisco, CA | Support of Organization's Charitable Purpose | $20,000 |
| Marin Commuinity Foundation Novato, CA | Support of Organization's Charitable Purpose | $13,000 |
| First Tee of San Francisco San Francisco, CA | Support of organization's charitable purposesupport of organization's charitable purpose | $12,000 |
| American Red Cross San Rafael, CA | Support of Organization's Charitable Purpose | $10,000 |
| Jewish Community Federation San Francisco, CA | Support of Organization's Charitable Purpose | $10,000 |
| Marin Humane Society Novato, CA | Support of Organization's Charitable Purpose | $10,000 |
| Planned Parenthood San Rafael, CA | Support of Organization's Charitable Purpose | $10,000 |
| California Fire Foundation Sacramento, CA | Support of Organization's Charitable Purpose | $9,000 |
Ready to take the next step with Rosenbluth Family 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 | $1,866,538 | $355,032 | $295,000 | $295,000 | 22 | $295,000 | $335,032 | $289,159 |
| 2024 | $1,806,506 | $191,627 | $245,750 | $245,750 | 24 | $245,750 | $185,627 | $254,842 |
| 2023 | $1,860,629 | $94,674 | $223,250 | $223,250 | 29 | $223,250 | $94,674 | $218,419 |
| 2022 | $1,989,205 | $68,903 | $209,250 | $209,250 | 27 | $209,250 | $68,903 | $225,323 |
| 2021 | $2,129,552 | $50,153 | $203,500 | $203,500 | 27 | $203,500 | $50,153 | $230,952 |
| 2020 | $2,282,899 | $221,734 | $217,058 | $217,058 | 30 | — | $221,734 | $203,321 |
Under IRS private-foundation payout rules, Rosenbluth Family Foundation reported a distributable amount of $289K 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 grants show support for organizations working in varied areas. For example, Marin Humane Society describes its work as animal care, humane education, and advocacy; The Maven Project says it connects safety-net clinic providers with volunteer physicians to help patients access specialty care; and Huckleberry Youth Programs describes its work as supporting underserved youth and their families.
Grantmaking
In 2025, the foundation made 22 grants totaling $295,000. Grant amounts ranged from $1,000 to $91,000, with a median grant of $7,000. Its largest grants included $91,000 to Marin San Francisco Food Bank, $58,500 to Marin Community Clinics, $20,000 to Hair to Stay, and $13,000 to Marin Community Foundation. Other examples include $10,000 to Marin Humane Society and $9,000 to California Fire Foundation.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Harry Rosenbluth as director and president, and Karen Rosenbluth as CFO and secretary.
Rosenbluth Family Foundation is led by Harry Rosenbluth, Director & President on every filing since 2020; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Harry Rosenbluth
Director & President
On filings since 2020
No compensation reported
Karen Rosenbluth
CFO & Secretary
On filings since 2020
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 Rosenbluth Family Foundation
How much does Rosenbluth Family Foundation give each year?
Rosenbluth Family Foundation gave $295K across 22 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $246K across 24 grants.
What is Rosenbluth Family Foundation's typical grant size?
Rosenbluth Family Foundation's median grant in 2025 was $7,000, and its average grant was $13,409, across 22 grants on its 2025 IRS Form 990-PF.
Where does Rosenbluth Family Foundation give grants?
Rosenbluth Family Foundation gives mostly in California: 99% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were San Francisco, CA (8 grants), San Rafael, CA (6 grants) and Novato, CA (3 grants).
Who are Rosenbluth Family Foundation's largest grantees?
Rosenbluth Family Foundation's largest 2025 grantees include Marinsan Francisco Food Bank ($91,000), Marin Commumity Clinics ($58,500) and Hair to Stay ($20,000), according to its 2025 IRS Form 990-PF. Together they received 57% of its itemized 2025 grant dollars.
How large is Rosenbluth Family Foundation?
Rosenbluth Family Foundation reported $1.9M in total assets on its 2025 IRS Form 990-PF. It paid out $295K in qualifying distributions that year, against a required minimum of $289K (roughly 5% of its investment assets).
What does Rosenbluth Family Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants show support for organizations working in varied areas. See mission & focus areas ↑
How do I apply for a grant from Rosenbluth Family Foundation?
The 2025 filing lists Harry Rosenbluth as the contact and says to submit materials by mail. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Rosenbluth Family Foundation's EIN?
Rosenbluth Family Foundation's EIN (Employer Identification Number) is 42-1564423. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated October 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 November 12, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 14, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 14, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 13, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS October 29, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS July 1, 2026)
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in Rosenbluth Family Foundation's focus areas in our free grants database
Similar Funders
Funders that support many of the same organizations
Marin Community Foundation
Novato, CA
Marin Community Foundation funds work in affordable housing and homelessness, community resilience and power, as well as social services, education, arts and conservation, with a focus on marginalized Marin County residents and some broader U.S. and international grantmaking. Its 2025 grants had a median of $25,000, though amounts varied widely. The profile does not state whether it accepts unsolicited requests.
Assets
$1.3B
Grants
1,573
Total Given
$186.1M
Silicon Valley Community Foundation
Mountain View, CA
Silicon Valley Community Foundation funds work in areas such as housing, economic security, education, health, the environment, arts and culture, and civic engagement, with Community Action Grants supporting local, community-led organizations in San Mateo and Santa Clara counties. Its 2024 grants had a median of $51,716, though amounts varied widely; applications depend on the program, and SVCF states that it does not accept unsolicited proposals for advised funds.
Assets
$12.3B
Grants
3,576
Total Given
$3.2B
Jewish Community Federation of San Francisco the Peninsula Marin & Sonoma
San Francisco, CA
The Federation funds Jewish life and identity, antisemitism response, crisis relief, human services, and justice and inclusion, with work in the Bay Area, Israel, and beyond. Its 2025 grants ranged from $5,050 to $2,405,915, with a median of $22,750. It frequently issues requests for proposals and welcomes inquiries about new Bay Area programs; no current organization grant opportunities were listed.
Assets
$2.0B
Grants
1,032
Total Given
$94.5M
Kaiser Foundation Hospitals
Oakland, CA
Kaiser Foundation Hospitals funds health care access and services, community health, health education, and related work, with priorities including mental and behavioral health, housing, and income and employment. Its 2024 grants had a median of $25,000, though amounts varied widely; most grant dollars went to California, with some going elsewhere. In Southern California, it says it does not accept unsolicited letters of inquiry or proposals and awards grants through competitive processes to pre-identified organizations.
Assets
$87.4B
Grants
1,122
Total Given
$225.4M
McNabb Foundation
Wilmington, DE
The McNabb Foundation’s website describes support for behavioral health and social services in East Tennessee, while its 2024 grants went to organizations with varied missions, mostly in California. Grants ranged from $500 to $5,000, with a median of $1,000. It does not accept unsolicited requests and gives only to preselected charitable organizations.
Assets
$4.8M
Grants
328
Total Given
$358K
Hobsonlucas Family Foundation
San Rafael, CA
The foundation funds a broad range of work, including higher education, arts and film, legal advocacy, health and substance-use services, youth programs, and international development. In 2024, grants ranged from $500 to $13 million, with a median of $5,000; funding went mainly to organizations in California, New York, and New Jersey. It accepts requests by letter, with no stated deadlines or award restrictions.
Assets
$1.2B
Grants
336
Total Given
$56.8M
More similar funders
More Funders in California
Cite this profile
Grantable. (2026). Rosenbluth Family Foundation funder profile. GrantGraph. Retrieved October 11, 2026, from https://grantable.co/funders/rosenbluth-family-foundation-morg_97aa3bf707ab47a994fe4b49633dc09b
BibTeX
@misc{grantable_421564423_2026,
author = {{Grantable}},
title = {{Rosenbluth Family Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/rosenbluth-family-foundation-morg_97aa3bf707ab47a994fe4b49633dc09b},
note = {Accessed 2026-10-11. 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 Rosenbluth Family 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.
Rosenbluth Family Foundation down — hundreds of funders to go?