Helen & William Mazer Foundation
Invitation OnlyBerkeley Heights, New Jersey · EIN 02-0511160 · Private foundation
Grants paid (2024)$975K
Organizations funded119
Typical grant$2,500
Total assets$21.1M
Half of its grants to organizations were between $1,000 and $9,000.
From the return
How to apply
On its return for tax year 2024 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
78% of grants went outside New Jersey.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| East Coast Greenway | Durham, NC | Charitable purposes. | $55,000 |
| Brandeis University | Waltham, MA | Charitable purposes. | $50,000 |
| Tpl-Ct | New Haven, CT | Charitable purposes. | $50,000 |
| Conservation Law Foundation | Boston, MA | Charitable purposes. | $48,000 |
| Ecocity Builders | Durham, NC | Charitable purposes. | $47,500 |
| Tpl-Ca | Los Angeles, CA | Charitable purposes. | $45,000 |
| Rockefeller University | New York, NY | Charitable purposes. | $40,000 |
| Spring Street Climate Fund | Brooklyn, NY | Charitable purposes. | $40,000 |
| Livable Streets Transportation | Cambridge, MA | Charitable purposes. | $35,500 |
| Breakthrough T1d | New York, NY | Charitable purposes. | $30,000 |
| Nature Conservancy | Arlington, VA | Charitable purposes. | $30,000 |
| Jespy House | South Orange, NJ | Charitable purposes. | $25,000 |
| Ubuntu Pathways | New York, NY | Charitable purposes. | $25,000 |
| Bennington College | Bennington, VT | Charitable purposes. | $20,000 |
| Nhcat | New Haven, CT | Charitable purposes. | $20,000 |
| Nj Conservation Fund | Far Hills, NJ | Charitable purposes. | $20,000 |
| Open Space Institute | New York, NY | Charitable purposes. | $20,000 |
| Massachusetts Bicycle Coalition | Boston, MA | Charitable purposes. | $17,500 |
| Innocence Project | New York, NY | Charitable purposes. | $15,000 |
| Kiwimbi | New Vernon, NJ | Charitable purposes. | $15,000 |
| Norwottuck Network | Florence, MA | Charitable purposes. | $15,000 |
| Northeast Wilderness Trust | Montpelier, VT | Charitable purposes. | $12,500 |
| Mali Health | Durham, NC | Charitable purposes. | $11,000 |
| Barred Rock Fund Inc | Jericho, VT | Charitable purposes. | $10,000 |
| Doctors Without Borders | New York, NY | Charitable purposes. | $10,000 |
| International Rescue Comm | New York, NY | Charitable purposes. | $10,000 |
| Tsne | Boston, MA | Charitable purposes. | $10,000 |
| Uja Federationmetrowest | Paramus, NJ | Charitable purposes. | $10,000 |
| Earthjustice | San Francisco, CA | Charitable purposes. | $9,000 |
| Gswa | Morristown, NJ | Charitable purposes. | $9,000 |
| Planned Parenthood | New York, NY | Charitable purposes. | $8,000 |
| Palestinian Childrens Relief Fund | Mission Viejo, CA | Charitable purposes. | $6,000 |
| Amref | New York, NY | Charitable purposes. | $5,000 |
| Clark University | Worcester, MA | Charitable purposes. | $5,000 |
| Clifford Beers Clinic | New Haven, CT | Charitable purposes. | $5,000 |
| Emerge Connecticut Inc | New Haven, CT | Charitable purposes. | $5,000 |
| Gather New Haven | New Haven, CT | Charitable purposes. | $5,000 |
| Msf | New York, NY | Charitable purposes. | $5,000 |
| New York Public Radio | New York, NY | Charitable purposes. | $5,000 |
| Nols | Lander, WY | Charitable purposes. | $5,000 |
| NY Times Communities Fund | New York, NY | Charitable purposes. | $5,000 |
| Our Hearts Your Hands | Carmel, IN | Charitable purposes. | $5,000 |
| Social Impact Partners | Westport, CT | Charitable purposes. | $5,000 |
| Solid Foundation | Paterson, NJ | Charitable purposes. | $5,000 |
| Thirteen- Wnet | New York, NY | Charitable purposes. | $5,000 |
| Urban Resources Initiative | New Haven, CT | Charitable purposes. | $5,000 |
| Anjec | Mendham, NJ | Charitable purposes. | $4,000 |
| Friends of the Belmar Harbor | Belmar, NJ | Charitable purposes. | $4,000 |
| Hackensack Riverkeeper | Hackensack, NJ | Charitable purposes. | $4,000 |
| Mskcc | New York, NY | Charitable purposes. | $4,000 |
| Nj Bike and Walk Coalition | Montclair, NJ | Charitable purposes. | $4,000 |
| Prestige International | Monmouth Junction, NJ | Charitable purposes. | $4,000 |
| Huru International | New York, NY | Charitable purposes. | $3,200 |
| Mfee | Montclair, NJ | Charitable purposes. | $3,000 |
| Northeast Earth Coalition | Montclair, NJ | Charitable purposes. | $3,000 |
| Roundabout Theatre Company | New York, NY | Charitable purposes. | $3,000 |
| Union County College Foundation | Cranford, NJ | Charitable purposes. | $3,000 |
| Catawba Lands Conservancy | Charlotte, NC | Charitable purposes. | $2,500 |
| Circus Smirkus | Greensboro, VT | Charitable purposes. | $2,500 |
| Climatehaven | New Haven, CT | Charitable purposes. | $2,500 |
Showing the 60 largest of 119 grants to organizations.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $975,000 | 119 |
| 2023 | $942,500 | 110 |
Sources
- IRS Form 990-PF, tax year 2024, filed Dec 11, 2025 - IRS e-file batch, object ID 202543459349100704
- IRS Tax Exempt Organization Search for EIN 02-0511160
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.