Chase Street Foundation
At a glance
This funder does not accept unsolicited applications. The foundation chooses the organisations it funds itself.
Key takeaways
- Because the foundation does not accept unsolicited requests, a cold application is unlikely to be considered, so approach it only through a personal introduction or an invitation.
- Its grants have supported refugee and immigrant assistance and biodiversity and sustainable economy work, though those themes are drawn from its grants rather than stated by the foundation, and it states no geographic focus, so check that your work fits those themes before reaching out.
- Its typical grant band is $10,000 to $100,000, with a median of $25,000 and a largest grant of $250,000, and half of its grants to organisations were $25,000 or less, so a modest request in that range is the most realistic size.
- In its latest filing, 91% of its grant dollars to organisations went to organisations it had also funded in the two filings before it, which suggests it is largely relationship-led.
Overview
Chase Street Foundation is a US private foundation based in Newton, MA.
What they fund
Profile based on the foundation's IRS Form 990-PF filings (TY2024, TY2023, TY2022) only: no website or other web source for the foundation was found. Every statement is checked against the filings. Sources read on 7 October 2026.
Priority Areas
The recorded grants support education and legal assistance for refugees and immigrants, and work on biodiversity and sustainable economy issues. Other stated purposes include legal assistance, global humanitarian work, helping homeless young people build self-sufficient lives, supporting transgender Latina leaders who organise and advocate for their communities, neuroscience and social-conflict work, and animal rights. Grants went to organisations working in refugee and immigrant assistance, food and humanitarian relief, legal advocacy, youth services, community organising, neuroscience and animal welfare. The purposes range across direct assistance, advocacy, research and environmental and economic issues.
Themes
From its grants, not stated by the foundation:
- Refugee and immigrant support
- Biodiversity and sustainable economy
Geographic Focus
No geographic focus is stated; the filings show grants mainly in New York, Illinois, District of Columbia and California.
How to apply
The foundation states that it does not accept unsolicited requests.
Application success factors
- Repeat giving: In its TY2024 filing, 91% of its grant dollars to organisations went to organisations it had also funded in its TY2022 or TY2023 filing.
- Grant size: Across its TY2022, TY2023 and TY2024 filings, half of its 13 grants to organisations were $25,000 or less.
Where grants go
From grants to organisations in the foundation’s filings for tax years 2022–2024.
Grant dollars by state
- The largest single recipient received 51% of grant dollars to organisations.
- In tax year 2024, 91% of grant dollars went to organisations Chase Street Foundation had funded in earlier filings.
- No grants were paid directly to organisations outside the US.
Grants
The largest grants to organisations in the foundation’s latest filing:
- Feeding America · Bio-Diversity and Sustainable Economy Issues$25,0002024 tax year
- World Central Kitchen · Bio-Diversity and Sustainable Economy Issues$25,0002024 tax year
- Gentle Barn · Animal Rights Issues$5,0002024 tax year
Grants to organisations listed in the foundation’s Form 990-PF filings. Grants to individuals are not shown.
Officers and directors
- Lauren Koenig-Plonskier — Trustee
- Sarah Koenig-Plonskier — Trustee
- Heni H Koenigsberg — Trustee
- Marc S Plonskier — Trustee
From the latest Form 990-PF filing
3 years of tax filings
| Year | Total expenses | Grants paid | Assets | Filing document |
|---|---|---|---|---|
| 2022 tax year | $144,885 | $110,000 | $11,742,648 | Filing for 2022 tax year |
| 2023 tax year | $544,187 | $515,000 | $13,074,520 | Filing for 2023 tax year |
| 2024 tax year | $138,804 | $55,000 | $16,273,837 | Filing for 2024 tax year |
Figures from the foundation’s IRS Form 990-PF filings. Assets are at fair market value at year end. The document icon links to each year’s filing on ProPublica Nonprofit Explorer.
Sources
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At a glance
Applying to Chase Street Foundation?
Hinchilla drafts your answers around this funder's priorities, using your organisation's own documents.
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Contact
- Newton, MA
Applying to Chase Street Foundation?
Hinchilla drafts your answers around this funder's priorities, using your organisation's own documents.
No credit card required
Contact
- Newton, MA