The Massachusetts State Capitol

Form 990-PFTax year 2025EIN 04-6128210

Joseph M Hamilburg Foundation

A private foundation in Wayland, MA. Its return for tax year 2025 lists 79 grants and $72,600 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.

Assets and giving by year

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

    $72,600

    Grants listed
    79
    Assets, end of year
    $1,134,303
  • Tax year 2024

    $68,275

    Grants listed
    84
    Assets, end of year
    $1,105,275
  • Tax year 2023

    $74,350

    Grants listed
    74
    Assets, end of year
    $1,079,931
  • Tax year 2022

    $76,425

    Grants listed
    73
    Assets, end of year
    $1,134,821
  • Tax year 2021

    $71,110

    Grants listed
    80
    Assets, end of year
    $1,185,112
  • Tax year 2020

    $70,700

    Grants listed
    75
    Assets, end of year
    $1,170,642

Grants paid in 2025

79 grants, largest first

As listed on the return.

  1. New England Baptist HospitalBoston, MA

    Donation

    $10,000
  2. Boston BalletBoston, MA

    Unrestricted

    $7,600
  3. Bidmc (beth Israel Deaconess Medical Center)Boston, MA

    Donation pledge

    $5,000
  4. Brigham & Womens HospitalBoston, MA

    Donation

    $5,000
  5. Dana-Farber Cancer InstituteBoston, MA

    Donation

    $5,000
  6. Mass General HospitalBoston, MA

    Donation

    $5,000
  7. Newton-Wellesley HospitalNewton, MA

    Unrestricted

    $5,000
  8. Wildlands TrustPlymouth, MA

    Unrestricted

    $5,000
  9. Tufts Medical CenterBoston, MA

    Unrestricted

    $4,000
  10. Museum of Fine Arts BostonBoston, MA

    Unrestricted

    $3,000
  11. New England Skating ClubNorfolk, MA

    Donation

    $3,000
  12. National Wild Turkey FederationEdgefield, SC

    Unrestricted

    $2,000
  13. Noble & Greenough SchoolDedham, MA

    Unrestricted

    $2,000
  14. New England Baptist HospitalBoston, MA

    Unrestricted

    $1,500
  15. Noble & Greenough SchoolDedham, MA

    Unrestricted

    $1,000
  16. American Boxer Charitable FoundationGettysburg, PA

    Unrestricted

    $500
  17. Beaver Annual FundChestnut Hill, MA

    Unrestricted

    $500
  18. Harmony HillChepachet, RI

    Unrestricted

    $300
  19. Harmony HillChepachet, RI

    Unrestricted

    $250
  20. Our Daily BreadMansfield, MA

    Unrestricted

    $250
  21. Westside Benevolent CircleMansfield, MA

    Unrestricted

    $250
  22. Wheaton CollegeNorton, MA

    Unrestricted

    $250
  23. Anthony D Phung Memorial ScholarshipAttleboro, MA

    Unrestricted

    $200
  24. Atlantic Salmon FederationCalais, ME

    Unrestricted

    $200
  25. Greater Boston Food BankBoston, MA

    Unrestricted

    $200
  26. Harvard Business SchoolBoston, MA

    Unrestricted

    $200
  27. Ruffed Grouse SocietyPittsburgh, PA

    Unrestricted

    $200
  28. AcljWashington, DC

    Unrestricted

    $100
  29. American Battlefield TrustBaltimore, MD

    Unrestricted

    $100
  30. American Farmland TrustWashington, DC

    Unrestricted

    $100
  31. American Heart AssociationDallas, TX

    Unrestricted

    $100
  32. American RiversWashington, DC

    Unrestricted

    $100
  33. C S P IWashington, DC

    Unrestricted

    $100
  34. Cato InstituteWashington, DC

    Unrestricted

    $100
  35. CO2 CoalitionFairfax, VA

    Unrestricted

    $100
  36. Cornell Lab of OrnithologyIthaca, NY

    Unrestricted

    $100
  37. Cousteau SocietyEtna, NH

    Unrestricted

    $100
  38. Dana FarberBoston, MA

    Eileen kramer krano's kruisers

    $100
  39. Ducks UnlimitedWinchester, MA

    Unrestricted

    $100
  40. Friends of the SmithsonianWashington, DC

    Unrestricted

    $100
  41. Grand Canyon ConservancyGrand Canyon, AZ

    Unrestricted

    $100
  42. Jimmy Fund WalkBoston, MA

    Unrestricted

    $100
  43. Judicial WatchWashington, DC

    Unrestricted

    $100
  44. Judicial WatchWashington, DC

    Unrestricted

    $100
  45. Ma Audubon SocietyLincoln, MA

    Unrestricted

    $100
  46. Marine Corps Heritage FoundationTriangle, VA

    Unrestricted

    $100
  47. Mass Chiefs of Police Assoc FoundationSouth Grafton, MA

    Unrestricted

    $100
  48. Massachusetts D A R EAthol, MA

    (on behalf of norfolk arena)

    $100
  49. Millis Lions ClubMillis, MA

    Unrestricted

    $100
  50. National Audubon SocietyNew York, NY

    Unrestricted

    $100
  51. National Foundation for Gun RightsLoveland, CO

    Unrestricted

    $100
  52. National Geographic SocietyWashington, DC

    Unrestricted

    $100
  53. National Marine Life CenterPocasset, MA

    Unrestricted

    $100
  54. National Park FoundationWashington, DC

    Unrestricted

    $100
  55. National Parks Conservation AssocWashington, DC

    Unrestricted

    $100
  56. National Trust for Historic PreservationWashington, DC

    Unrestricted

    $100
  57. National Wildlife FederationMerrifield, VA

    Unrestricted

    $100
  58. Noble & Greenough SchoolDedham, MA

    Unrestricted

    $100
  59. Ocean ConservancyWashington, DC

    Unrestricted

    $100
  60. Pheasants ForeverPembroke, MA

    Unrestricted

    $100
  61. Rainforest AllianceNew York, NY

    Unrestricted

    $100
  62. Save the Redwoods LeagueSan Francisco, CA

    Unrestricted

    $100
  63. Simon Wiesenthal CenterLos Angeles, CA

    Unrestricted

    $100
  64. The Claremont InstituteClaremont, CA

    Unrestricted

    $100
  65. The Heritage FoundationWashington, DC

    Unrestricted

    $100
  66. The Leadership InstituteArlington, VA

    Unrestricted

    $100
  67. The Marine Mammal CenterSausalito, CA

    Unrestricted

    $100
  68. The Nature ConservancyArlington, VA

    Unrestricted

    $100
  69. The Wilderness SocietyWashington, DC

    Unrestricted

    $100
  70. Trout UnlimitedArlington, VA

    Unrestricted

    $100
  71. Trout UnlimitedArlington, VA

    Unrestricted

    $100
  72. Tunnel to TowersStaten Island, NY

    Unrestricted

    $100
  73. Turning Point USAIndianapolis, IN

    Unrestricted

    $100
  74. US Holocaust Memorial MuseumWashington, DC

    Unrestricted

    $100
  75. Wayland Police & Firefighters AssocWayland, MA

    Unrestricted

    $100
  76. Woods Hole Oceanographic InstituteWoods Hole, MA

    Unrestricted

    $100
  77. World Wildlife FundWashington, DC

    Unrestricted

    $100
  78. Yellowstone ForeverBozeman, MT

    Unrestricted

    $100
  79. Yosemite ConservancySan Francisco, CA

    Unrestricted

    $100

Where the money goes

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

  1. Health3 grants $11,60028% of the total
  2. Arts and culture5 grants $10,90026% of the total
  3. Environment10 grants $6,00014% of the total
  4. Medical research1 grant $5,00012% of the total
  5. Education6 grants $3,5508% of the total
  6. Sports and recreation2 grants $3,1007% of the total
  7. 6 other causes13 grants $1,8004% of the total

By State

Grants to organizations with a US address, latest year.

  1. Massachusetts34 grants $65,250
  2. South Carolina1 grant $2,000
  3. District of Columbia16 grants $1,600
  4. Pennsylvania2 grants $700
  5. Virginia7 grants $700
  6. Rhode Island2 grants $550
  7. California5 grants $500
  8. New York4 grants $400
  9. Arizona2 grants $200
  10. Maine1 grant $200

Officers, directors and trustees

2 people as filed

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

  • Joseph D HamilburgTRUSTEE Hours 0Pay $0
  • Maurice J HamilburgTRUSTEE Hours 0Pay $0

The return

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