John a & Joan M Dietze Charitable Tr
Invitation OnlyPennington, New Jersey · EIN 51-6523322 · Private foundation
Grants paid (2025)$276K
Organizations funded39
Typical grant$5,000
Total assets$7.9M
Half of its grants to organizations were between $1,262 and $15,000.
From the return
How to apply
On its return for tax year 2025 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
100% of grants went outside New Jersey.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Institute for Cancer Research | Philadelphia, PA | Unrestricted general | $20,103 |
| Wilmington Friends School | Wilmington, DE | Unrestricted general | $20,103 |
| Westminster Presbyterian Church | Wilmington, DE | Unrestricted general | $20,103 |
| United Way of Delaware | Wilmington, DE | Unrestricted general | $20,103 |
| Pilot School | Wilmington, DE | Unrestricted general | $20,103 |
| Ingleside Homes Inc | Wilmington, DE | Unrestricted general | $20,103 |
| Ministry of Caring | Wilmington, DE | Unrestricted general | $20,103 |
| Delaware Hospice Inc | Newark, DE | Unrestricted general | $20,103 |
| Western North Carolina Air Museum Inc | Hendersonvlle, NC | Unrestricted general | $20,000 |
| Hyla Middle School | Bainbridge Is, WA | General operating | $15,000 |
| Blue Ridge Humane Society Inc | Hendersonvlle, NC | Unrestricted general | $8,762 |
| Royal River Conservation Trust | Yarmouth, ME | General operating | $5,000 |
| Stephen Siller Tunnel to Towers Fdn | Staten Island, NY | Unrestricted general | $5,000 |
| Williams College Alumni Fund Grant Award | Williamstown, MA | Unrestricted general | $5,000 |
| Sterling Francine Clark Art Inst | Williamstown, MA | General operating | $5,000 |
| National Audubon Society Inc | New York, NY | General operating | $5,000 |
| Pet Alliance of Greater Orlando Inc | Orlando, FL | General operating | $5,000 |
| Back to Nature Wildlife Inc | Orlando, FL | General operating | $5,000 |
| Fish Wildlife Foundation of Florida Inc | Tallahassee, FL | General operating | $5,000 |
| North Kitsap Fishline | Poulsbo, WA | Unrestricted general | $5,000 |
| Williamstown Theatre Foundation | Williamstown, MA | Unrestricted general | $2,500 |
| Williamstown Rural Land Foundation Inc | Williamstown, MA | Unrestricted general | $2,500 |
| Natural Resources Defense Council Inc | New York, NY | General operating | $2,500 |
| World Central Kitchen Incorporated | Washington, DC | General operating | $2,500 |
| Fred Hutchinson Cancer Center | Seattle, WA | General operating | $2,500 |
| Yarmouthcan | Yarmouth, ME | General operating | $2,312 |
| Wildlife Rehabilitation Center of Centra | Christmas, FL | General operating | $1,881 |
| Haven for Injured and Orphaned Wildlife | Altamonte Spg, FL | General operating | $1,881 |
| Maine Public Broadcasting Corporation | Lewiston, ME | General operating | $1,500 |
| Hawaii Island Humane Society | Holualoa, HI | General operating | $1,262 |
| Museum of Contemporary Art Foundation | North Adams, MA | Unrestricted general | $1,000 |
| Williamstown Community Chest | Williamstown, MA | Unrestricted general | $1,000 |
| Southwestern Vermont Health Care Foundat | Bennington, VT | General operating | $1,000 |
| Store at Five Corners Stewardship Associ | Williamstown, MA | General operating | $1,000 |
| Berkshire Humane Society Inc | Pittsfield, MA | Unrestricted general | $250 |
| The Berkshire Taconic Community Fdn | Sheffield, MA | Unrestricted general | $250 |
| Wamc | Albany, NC | Unrestricted general | $250 |
| Berkshire Food Project Inc | North Adams, MA | Unrestricted general | $100 |
| North Adams Ambulance Service Inc | North Adams, MA | Unrestricted general | $100 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $275,872 | 39 |
| 2024 | $283,292 | 43 |
| 2023 | $251,240 | 40 |
Sources
- IRS Form 990-PF, tax year 2025, filed Apr 21, 2026 - IRS e-file batch, object ID 202611119349101381
- IRS Tax Exempt Organization Search for EIN 51-6523322
- 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.