Helen & William Mazer Foundation
Berkeley Heights, New Jersey · EIN 020511160 · Private foundation
Based in Berkeley Heights, New Jersey, Helen & William Mazer Foundation has awarded $4.5M across 550 grants in our index of public IRS filings, with giving recorded as recently as 2025. Its largest grant on record went to Tpl-ct. This profile covers its focus areas, top grant recipients, year-by-year giving, and how a nonprofit should approach it.
What Helen & William Mazer Foundation funds
Helen & William Mazer Foundation's giving carries a documented focus on environment & conservation, higher education.
Grant history
The largest grants Bespoke Grants has on record for Helen & William Mazer Foundation, by amount:
| Recipient | Location | Grant | Year |
|---|---|---|---|
| Tpl-ct CHARITABLE PURPOSES. | New Haven, CT | $85K | 2023 |
| Ecocity Builders CHARITABLE PURPOSES. | Durham, NC | $70K | 2023 |
| Tpl-ct CHARITABLE PURPOSES. | New Haven, CT | $60K | 2021 |
| Trustees of Reservations CHARITABLE PURPOSES. | Boston, MA | $55K | 2023 |
| East Coast Greenway CHARITABLE PURPOSES. | Durham, NC | $55K | 2025 |
| Trustees of Reservations CHARITABLE PURPOSES. | Boston, MA | $55K | 2024 |
| Brandeis University CHARITABLE PURPOSES. | Waltham, MA | $52K | 2023 |
| Prime Coalition CHARITABLE PURPOSES. | Cambridge, MA | $50K | 2020 |
| Brandeis University CHARITABLE PURPOSES. | Waltham, MA | $50K | 2025 |
| Tpl-ct CHARITABLE PURPOSES. | New Haven, CT | $50K | 2025 |
| East Coast Greenway CHARITABLE PURPOSES. | Durham, NC | $50K | 2021 |
| Boston Cyclists Union CHARITABLE PURPOSES. | Boston, MA | $50K | 2021 |
| Brandeis University CHARITABLE PURPOSES. | Waltham, MA | $50K | 2021 |
| Great Rivers Greenway CHARITABLE PURPOSES. | St Louis, MO | $50K | 2024 |
| Brandeis University CHARITABLE PURPOSES. | Waltham, MA | $50K | 2024 |
Helen & William Mazer Foundation giving by year
Total grants Bespoke Grants has indexed for each filing year:
How to apply for funding from Helen & William Mazer Foundation
Helen & William Mazer Foundation's public IRS filing does not spell out a formal application process. Foundations of this size often give primarily to organizations they already know, so a concise letter of inquiry or a warm introduction is usually the best first contact — not a full proposal.
Is Helen & William Mazer Foundation the right funder for your nonprofit?
This page shows what Helen & William Mazer Foundation has funded. Bespoke Grants tells you whether it fits your mission — and finds every other foundation that does. Free, no credit card.
Match my nonprofit to funders →Frequently asked questions about Helen & William Mazer Foundation
- Does Helen & William Mazer Foundation accept grant applications?
- Helen & William Mazer Foundation's public filing does not specify an application process. A brief letter of inquiry or a warm introduction is usually the best first step with a private foundation of this size.
- What does Helen & William Mazer Foundation fund?
- Helen & William Mazer Foundation's grants focus on environment & conservation. Recent recipients include Tpl-ct, Ecocity Builders, Tpl-ct. Its full grant history is listed above.
- How much does Helen & William Mazer Foundation give in grants?
- Helen & William Mazer Foundation reported $750K in grants in its most recent IRS filing (FY2020). Across all years in our data it has awarded $4.5M over 550 grants.
- Where is Helen & William Mazer Foundation located?
- Helen & William Mazer Foundation is based in Berkeley Heights, New Jersey. Its IRS employer identification number (EIN) is 020511160.
- How can I find foundations similar to Helen & William Mazer Foundation?
- Bespoke Grants matches your nonprofit against 225,000+ foundations like Helen & William Mazer Foundation, ranking each by how well it fits your mission, location, and budget — with the reasoning shown. It is free to search.
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Foundations similar to Helen & William Mazer Foundation
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