Siff Charitable Foundation
Private foundation · Worcester, MA · EIN 04-6112346 · reported 2023–2025
104grants reported
$500median award
$100lower quartile
$50smallest grant
$267Ktotal paid
9states reached
3years giving
This foundation funds faith-based organizations. 15 of its 104 reported grants went to churches, ministries or other religious organizations, $50K in total. That is what it paid, not what it says in a policy.
Gives every year. This foundation reported grants in 2023, 2024, 2025. A funder that shows up year after year is worth a letter even if this year is a no.
Where to write
306 Main Street Ste 400
Worcester, MA 01608-1550
Address as registered with the IRS. Most foundations this size have no website and no application form, which is not a dead end: a short letter to this address is the whole process, and almost nobody sends one.
Who they funded
| Recipient and stated purpose | Where | Amount |
|---|---|---|
| Umass Chan Medical School Foundation | Shrewsbury, MA | $26,600 |
| New York University | New York, NY | $15,000 |
| Woodstock Film Festival | Woodstock, NY | $15,000 |
| Brigham & Womens Hospital | Boston, MA | $15,000 |
| New York University | New York, NY | $15,000 |
| Next for Autism | New York, NY | $12,000 |
| Brigham & Womens Hospital | Boston, MA | $10,000 |
| Jewish Federation of Central MA | Worcester, MA | $10,000 |
| New York University | New York, NY | $10,000 |
| Next for Autism | New York, NY | $10,000 |
| Jewish Federation of Central MA | Worcester, MA | $10,000 |
| Next for Autism | New York, NY | $10,000 |
| American Jewish Archives | New York, NY | $10,000 |
| Jewish Federation of Palm Beach Cty | West Palm Beach, FL | $8,000 |
| Jewish Federation of Palm Beach Cty | West Palm Beach, FL | $7,000 |
| Alpine Learning Center | Paramus, NJ | $5,000 |
| Umass Memorial Foundation | Shrewsbury, MA | $5,000 |
| Alpine Learning Center | Paramus, NJ | $5,000 |
| Temple Emanuel Sinai | Worcester, MA | $3,970 |
| Temple Emanuel Sinai | Worcester, MA | $3,450 |
| Temple Emanuel Sinai | Worcester, MA | $3,400 |
| Autism Project of Palm Beach County | Jupiter, FL | $2,500 |
| Tibetan Home of Hope | Valley Cottage, NY | $2,500 |
| Worcester Art Museum | Worcester, MA | $2,500 |
| Alpine Learning Center | Paramus, NJ | $2,500 |
| Autism Project of Palm Beach County | Jupiter, FL | $2,500 |
| Tibetan Home of Hope | Valley Cottage, NY | $2,500 |
| Autism Project of Palm Beach County | Jupiter, FL | $2,500 |
| Tibetan Home of Hope | Valley Cottage, NY | $2,500 |
| EN Guarde Arts | Brooklyn, NY | $2,200 |
| Watch Resources Inc | Sonora, CA | $2,000 |
| Jewish Health Care Center | Worcester, MA | $1,600 |
| Breast Cancer Research Foundation | New York, NY | $1,500 |
| Worcester Art Museum | Worcester, MA | $1,500 |
| World Against Toys Causing Harm | Boston, MA | $1,500 |
| Dana Farber Cancer Institute | Boston, MA | $1,500 |
| Worcester Art Museum | Worcester, MA | $1,500 |
| World Against Toys Causing Harm | Boston, MA | $1,500 |
| Jewish Health Care Center | Worcester, MA | $1,280 |
| Ecotarium | Worcester, MA | $1,200 |
| Ecotarium | Worcester, MA | $1,000 |
| Florida Atlantic University | Jupiter, FL | $1,000 |
| Fau Foundation Lls - Jupiter | Jupiter, FL | $1,000 |
| Umass Memorial Foundation | Shrewsbury, MA | $1,000 |
| Soviet Jewry Movement Archives Project | New York, NY | $1,000 |
| Breast Cancer Research Foundation | New York, NY | $1,000 |
| Fau Foundation Lls - Jupiter | Jupiter, FL | $1,000 |
| Umass Chan Medical School Foundation | Shrewsbury, MA | $1,000 |
| Saint Ann's Church | Shrewsbury, MA | $1,000 |
| Unlimbited Foundation at the Paley Institute | Jupiter, FL | $1,000 |
| Breast Cancer Research Foundation | New York, NY | $750 |
| Nami Palm Beach County | West Palm Beach, FL | $500 |
| National Jewish Health | Denver, CO | $500 |
| Shuva Center | New York, NY | $500 |
| Worcester District Medical Society | Worcester, MA | $500 |
| Herizon | West Palm Beach, FL | $500 |
| Nami Palm Beach County | West Palm Beach, FL | $500 |
| Nami Palm Beach County | West Palm Beach, FL | $500 |
| Umass Memorial Foundation | Shrewsbury, MA | $400 |
| National Jewish Health | Denver, CO | $360 |
Showing the 60 largest of 104 reported grants.
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