Private foundation · EIN 64-0917900 · Hernando, Mississippi · Philanthropy & grantmaking

Maddox 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 2024 Form 990-PF: 12 grants paid, $2.4M total, median $17K. 58% of grants stayed in Mississippi.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2024
12
$2.4M
Median grant
$17K
Stays in MS
58%
of grants
Deadline
—
Assets
$5.1M

Grants paid in 2024

12 grants, all shown · from Form 990-PF Part XV

RecipientPurposeAmount
YMCA of Memphis & the Mid-SouthOlive Branch, MSDevelopment of new ymca in hernando$2.1M
City of Hernando Conger Park ProjectHernando, MSRepair & renovate playground$125K
Emmett Till Interpretive CenterSumner, MSPreserve memory of emmett till$75K
YMCA Foundation of Middle Tn Margaret Maddox YMCANashville, TNLong-term sustainability & viability$50K
Mississippi News CorporationRidgeland, MSCivic engagement & public dialogue$25K
Save the Music FoundationNew York, NYSupport at-risk youth through music$20K
Philanthropy SoutheastAtlanta, GAGeneral support$13K
Grammy Museum MississippiCleveland, MSTeach & inspire future generations$10K
Nashville School of LawNashville, TNSupport for quality legal education$5,000
CandidguidestarWilliamsburg, VAGeneral support$3,801
City of HernandoHernando, MSUpgrade safety features at conger$3,500
Mb Swayze Educational FoundationJackson, MSEmphasize scholastic excellence$2,400

By state: Mississippi 7 · Tennessee 2 · New York 1 · Georgia 1 · Virginia 1

About this foundation

Maddox Foundation is a private grantmaking foundation in Hernando, Mississippi, administered in care of Robin Grindstaff Costa, tax-exempt since 2000. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.

Foundation websiteAll filings on ProPublica

Does Maddox Foundation accept grant applications?

No. On its 2024 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 Maddox Foundation give each year?

In tax year 2024 it paid $2.4M across 12 grants, a median of $17K.

Where does Maddox Foundation give?

Mississippi (7 grants), Tennessee (2 grants), New York (1 grants) and elsewhere, per its latest filing.

More foundations near Hernando that accept applications

All in Mississippi
FoundationBased inGrants paidMedian grantAccepts applicationsAssets
Blue Cross & Blue Shield of Mississippi Foundationsince 2005 Flowood, MS $8.3M10 grants · 2025 $170KYes $168M
Luckyday Foundationsince 1978 Jackson, MS $6.9M12 grants · 2025 $33KYes $151M
The Riley Foundationsince 1986 Meridian, MS $3.7M20 grants · 2025 $4,000Yes $101M
Mississippi Power Foundation Incsince 1998 Gulfport, MS $2.2M75 grants · 2025 $10KYes $65M
Phil Hardin Foundationsince 1964 Meridian, MS $4.5M78 grants · 2025 $28KYes $62M
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