Private foundation · EIN 04-6128210 · Wayland, Massachusetts

Joseph M Hamilburg Foundation

Should you approach them?

Don't send a cold proposal. The foundation reports that it only gives to preselected organizations; an introduction through a current grantee or board member is the realistic route.

From the 2025 Form 990-PF: 79 grants paid, $73K total, median $100. 43% of grants stayed in Massachusetts.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
79
$73K
Median grant
$100
Stays in MA
43%
of grants
Deadline
—
Assets
$1.1M

Grants paid in 2025

Top 60 of 79 grants by amount · from Form 990-PF Part XV

RecipientPurposeAmount
New England Baptist HospitalBoston, MADonation$10K
Boston BalletBoston, MAUnrestricted$7,600
Bidmc (beth Israel Deaconess Medical Center)Boston, MADonation pledge$5,000
Brigham & Womens HospitalBoston, MADonation$5,000
Dana-Farber Cancer InstituteBoston, MADonation$5,000
Mass General HospitalBoston, MADonation$5,000
Newton-Wellesley HospitalNewton, MAUnrestricted$5,000
Wildlands TrustPlymouth, MAUnrestricted$5,000
Tufts Medical CenterBoston, MAUnrestricted$4,000
Museum of Fine Arts BostonBoston, MAUnrestricted$3,000
New England Skating ClubNorfolk, MADonation$3,000
National Wild Turkey FederationEdgefield, SCUnrestricted$2,000
Noble & Greenough SchoolDedham, MAUnrestricted$2,000
New England Baptist HospitalBoston, MAUnrestricted$1,500
Noble & Greenough SchoolDedham, MAUnrestricted$1,000
American Boxer Charitable FoundationGettysburg, PAUnrestricted$500
Beaver Annual FundChestnut Hill, MAUnrestricted$500
Harmony HillChepachet, RIUnrestricted$300
Harmony HillChepachet, RIUnrestricted$250
Our Daily BreadMansfield, MAUnrestricted$250
Westside Benevolent CircleMansfield, MAUnrestricted$250
Wheaton CollegeNorton, MAUnrestricted$250
Anthony D Phung Memorial ScholarshipAttleboro, MAUnrestricted$200
Atlantic Salmon FederationCalais, MEUnrestricted$200
Greater Boston Food BankBoston, MAUnrestricted$200
Harvard Business SchoolBoston, MAUnrestricted$200
Ruffed Grouse SocietyCoraopolis, PAUnrestricted$200
AcljWashington, DCUnrestricted$100
American Battlefield TrustBaltimore, MDUnrestricted$100
American Farmland TrustWashington, DCUnrestricted$100
American Heart AssociationDallas, TXUnrestricted$100
American RiversWashington, DCUnrestricted$100
C S P IWashington, DCUnrestricted$100
Cato InstituteWashington, DCUnrestricted$100
Co2 CoalitionArlington, VAUnrestricted$100
Cornell Lab of OrnithologyIthaca, NYUnrestricted$100
Cousteau SocietyEtna, NHUnrestricted$100
Dana FarberBoston, MAEileen kramer krano's kruisers$100
Ducks UnlimitedWinchester, MAUnrestricted$100
Friends of the SmithsonianWashington, DCUnrestricted$100
Grand Canyon ConservancyGrand Canyon, AZUnrestricted$100
Jimmy Fund WalkBoston, MAUnrestricted$100
Judicial WatchWashington, DCUnrestricted$100
Judicial WatchWashington, DCUnrestricted$100
Ma Audubon SocietyLincoln, MAUnrestricted$100
Marine Corps Heritage FoundationTriangle, VAUnrestricted$100
Mass Chiefs of Police Assoc FoundationSouth Grafton, MAUnrestricted$100
Massachusetts D a R EAthol, MA(on behalf of norfolk arena)$100
Millis Lions ClubMillis, MAUnrestricted$100
National Audubon SocietyNew York, NYUnrestricted$100
National Foundation for Gun RightsLoveland, COUnrestricted$100
National Geographic SocietyWashington, DCUnrestricted$100
National Marine Life CenterBourne, MAUnrestricted$100
National Park FoundationWashington, DCUnrestricted$100
National Parks Conservation AssocWashington, DCUnrestricted$100
National Trust for Historic PreservationWashington, DCUnrestricted$100
National Wildlife FederationMerrifield, VAUnrestricted$100
Noble & Greenough SchoolDedham, MAUnrestricted$100
Ocean ConservancyWashington, DCUnrestricted$100
Pheasants ForeverPembroke, MAUnrestricted$100

By state: Massachusetts 34 · South Carolina 1 · District of Columbia 16 · Pennsylvania 2 · Virginia 7 · Rhode Island 2

About this foundation

Joseph M Hamilburg Foundation is a private grantmaking foundation in Wayland, Massachusetts, administered in care of Plymouth Rubber Co, tax-exempt since 1966. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.

All filings on ProPublica

Does Joseph M Hamilburg Foundation accept grant applications?

No. On its 2025 Form 990-PF the foundation checked that it only makes contributions to preselected organizations. Look for an introduction through a current grantee.

How much does Joseph M Hamilburg Foundation give each year?

In tax year 2025 it paid $73K across 79 grants, a median of $100.

Where does Joseph M Hamilburg Foundation give?

Massachusetts (34 grants), South Carolina (1 grants), District of Columbia (16 grants) and elsewhere, per its latest filing.

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