The New Jersey State Capitol

Form 990-PFTax year 2025EIN 13-4112479

Diamondston Foundation Inc

A private foundation in Westfield, NJ. Its return for tax year 2025 lists 50 grants and $136,000 paid in grants.

Tax year 2025 (period ending Dec 31, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests. It still lists the details below.

Contact
Michael Margolin
610 Shackamaxon Dr
Westfield, NJ 07090
(212) 697-2310
n/a
Form and materials
Any written application

Assets and giving by year

7 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2025

    $136,000

    Grants listed
    50
    Assets, end of year
    $2,123,186
  • Tax year 2024

    $125,575

    Grants listed
    35
    Assets, end of year
    $2,152,048
  • Tax year 2023

    $91,100

    Grants listed
    32
    Assets, end of year
    $2,217,017
  • Tax year 2022

    $102,500

    Grants listed
    34
    Assets, end of year
    $2,141,677
  • Tax year 2021

    $91,000

    Grants listed
    39
    Assets, end of year
    $2,061,885
  • Tax year 2020

    $86,900

    Grants listed
    41
    Assets, end of year
    $2,058,120
  • Tax year 2019

    $102,728

    Grants listed
    43
    Assets, end of year
    $2,062,314

Grants paid in 2025

50 grants, largest first

As listed on the return.

  1. Hairy Cell Leukemia FoundationNew York, NY

    Charitable

    $20,000
  2. Chicken & Egg PicturesBrooklyn, NY

    Charitable

    $10,000
  3. The Welcome ProjectSomerville, MA

    Charitable

    $10,000
  4. Uja-Federation of New YorkNew York, NY

    Charitable

    $10,000
  5. New Israel FundNew York, NY

    Charitable

    $6,500
  6. Crohn's & Colitis Foundation NJ ChaManalapan, NJ

    Charitable

    $5,000
  7. Doctors Without BordersNew York, NY

    Charitable

    $5,000
  8. Gender Equity Policy InstituteLos Angeles, CA

    Charitable

    $5,000
  9. Tides FoundationNew York, NY

    Charitable

    $5,000
  10. AsaliNew York, NY

    Charitable

    $3,000
  11. Congregation Ansche ChesedNew York, NY

    Charitable

    $3,000
  12. Congregation B'nai IsraelSomerville, MA

    Charitable

    $2,750
  13. Manhattan Theatre ClubNew York, NY

    Charitable

    $2,500
  14. The BridgeNewark, NJ

    Charitable

    $2,500
  15. The Bronx DefendersBronx, NY

    Charitable

    $2,500
  16. Anikaya Akhra IncSomerville, MA

    Charitable

    $2,000
  17. Beyond Bond & Legal Defense FundBoston, MA

    Charitable

    $2,000
  18. Common GoodNew York, NY

    Charitable

    $2,000
  19. Community Food Bank of NJHillside, NJ

    Charitable

    $2,000
  20. Everytown for Gun Safety Support FuNew York, NY

    Charitable

    $2,000
  21. Jewish Agency for IsraelNew York, NY

    Charitable

    $2,000
  22. National Council of Jewish WomenRoseland, NJ

    Charitable

    $2,000
  23. National Immigration LawLos Angeles, CA

    Charitable

    $2,000
  24. Pregnancy JusticeNew York, NY

    Charitable

    $2,000
  25. Victim Rights Law CenterBoston, MA

    Charitable

    $2,000
  26. Israaid (US) Global Humanitarian asPalo Alto, CA

    Charitable

    $1,500
  27. Leukemia & Lymphoma SocietyCranford, NJ

    Charitable

    $1,500
  28. Rehabilitation Though the ArtsPurchase, NY

    Charitable

    $1,500
  29. United States Holocaust Memorial MuWashington, DC

    Charitable

    $1,500
  30. Community Help in Park SlopeBrooklyn, NY

    Charitable

    $1,250
  31. Human Rights FirstNew York, NY

    Charitable

    $1,250
  32. Kids in Need of DefenceWashington, DC

    Charitable

    $1,250
  33. The DoorNew York, NY

    Charitable

    $1,250
  34. Friends of Middlesex Fells ReservatMelrose, MA

    Charitable

    $1,000
  35. Los Angeles Fire DepartmentLos Angeles, CA

    Charitable

    $1,000
  36. The Film CollaborativeLos Angeles, CA

    Charitable

    $1,000
  37. The Tree of Life IncWest Palm Beach, FL

    Charitable

    $1,000
  38. Treehouse ShakersNew York, NY

    Charitable

    $1,000
  39. Uptown Film CenterNew York, NY

    Charitable

    $1,000
  40. World Central KitchenWashington, DC

    Charitable

    $1,000
  41. Northampton Parents CenterNorthampton, MA

    Charitable

    $750
  42. ACLU FoundationNew York, NY

    Charitable

    $500
  43. Alzheimer's FoundationNew York, NY

    Charitable

    $500
  44. Caring Men GlobalChevy Chase, MD

    Charitable

    $500
  45. Friends of Hewlett Woodmere LibraryHewlett, NY

    Charitable

    $500
  46. Long Island CaresHauppauge, NY

    Charitable

    $500
  47. Loop It Up SavannahSavannah, GA

    Charitable

    $500
  48. MazonWashington, DC

    Charitable

    $500
  49. Northampton Survival CenterNorthampton, MA

    Charitable

    $500
  50. Ronald McDonald HouseChicago, IL

    Charitable

    $500

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Arts and culture6 grants $17,00026% of the total
  2. International aid5 grants $15,75024% of the total
  3. Philanthropy and grantmaking1 grant $10,00015% of the total
  4. Civil rights3 grants $7,50011% of the total
  5. Human services4 grants $4,2506% of the total
  6. Religion1 grant $3,0005% of the total
  7. 5 other causes5 grants $8,00012% of the total

By State

Grants to organizations with a US address, latest year.

  1. New York23 grants $64,750
  2. California6 grants $30,500
  3. Massachusetts8 grants $21,000
  4. New Jersey5 grants $13,000
  5. District of Columbia4 grants $4,250
  6. Florida1 grant $1,000
  7. Georgia1 grant $500
  8. Illinois1 grant $500
  9. Maryland1 grant $500

Officers, directors and trustees

4 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Michael MargolinPRESIDENT TR Hours 0Pay $0
  • David MargolinVICE PRESIDE Hours 0Pay $0
  • Susan SmithVICE PRESIDE Hours 0Pay $0
  • Barabara MargolinSECRETARY Hours 0Pay $0

The return

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