Private foundation · EIN 57-0697712 · Charleston, South Carolina

Nathan and Marlene Addlestone Foundation Inc

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: 30 grants paid, $67K total, median $1,750. 80% of grants stayed in South Carolina.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
30
$67K
Median grant
$1,750
Stays in SC
80%
of grants
Deadline
—
Assets
$1.3M

Grants paid in 2025

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

RecipientPurposeAmount
Jewish Endowment FoundationCharleston, SCSupport of education$10K
Trident Technical CollegeNorth Charleston, SCSupport of education$6,500
Trident Literacy AssociationNorth Charleston, SCSupport of education$5,000
American Lung AssociationChicago, ILSupport of community$3,600
Temple Israel WestportWestport, CTSupport of community$3,125
Charleston Jewish FederationCharleston, SCSupport of community$2,500
College of Charleston Nuovo CinemaCharleston, SCSupport of education$2,500
Lowcountry Local FIRSTCharleston, SCSupport of education$2,500
Charles Webb CenterCharleston, SCSupport for education$2,500
Kids on PointCharleston, SCSupport of community$2,500
Congregation Dor TikvahCharleston, SCSupport of jewish charities$2,350
Community Foundation of Greater FlintFlint, MISupport of community$2,000
Lowcountry Street GroceryCharleston, SCSupport of community$2,000
Slow Food CharlestonBrooklyn, NYSupport of community$2,000
Charleston Day SchoolCharleston, SCSupport for education$2,000
Access U FoundationNorfolk, VASupport of community$1,500
Association for the BlindCharleston, SCSupport of community$1,500
College of Charleston Friends of the LibraryCharleston, SCSupport of education$1,500
Carolina Youth DevelopmentNorth Charleston, SCSupport of education$1,500
College of Charleston Dale Rosengarten EndowmentCharleston, SCSupport of education$1,500
Amor Healing KitchenCharleston, SCSupport for education$1,500
Gibbes Art MuseumCharleston, SCSupport of community$1,000
Jewish Family Services of CharlestonCharleston, SCSupport of jewish charities$1,000
Public Works Art Center of SummervilleSummerville, SCSupport of community$1,000
Health Education Is PowerTarzana, CASupport of education$1,000
St Andrews Math & ScienceCharleston, SCSupport of education$750
Angel Oak Elementary SchoolJohns Island, SCSupport of education$700
Haut Gap Middle SchoolJohns Island, SCSupport for education$700
El Frierson ElementaryWadmalaw Island, SCSupport for education$500
Water Mission InternationalNorth Charleston, SCSupport of community$500

By state: South Carolina 24 · Illinois 1 · Connecticut 1 · Michigan 1 · New York 1 · Virginia 1

About this foundation

Nathan and Marlene Addlestone Foundation Inc is a private grantmaking foundation in Charleston, South Carolina, tax-exempt since 1980. 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 Nathan and Marlene Addlestone Foundation Inc 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 Nathan and Marlene Addlestone Foundation Inc give each year?

In tax year 2025 it paid $67K across 30 grants, a median of $1,750.

Where does Nathan and Marlene Addlestone Foundation Inc give?

South Carolina (24 grants), Illinois (1 grants), Connecticut (1 grants) and elsewhere, per its latest filing.

More foundations near Charleston that accept applications

All in South Carolina
FoundationBased inGrants paidMedian grantAccepts applicationsAssets
Joy Unspeakable Foundationsince 2024 Charleston, SC $2.1M3 grants · 2024 $100KPreselected only $300M
Kuznik Charitable Foundationsince 2016 Charleston, SC $1.0M52 grants · 2024 $25KYes $57M
Beemok Family Foundationsince 2014 Charleston, SC $9.7M39 grants · 2024 $25KYes $43M
Coydog Foundationsince 1987 Charleston, SC $2.6M88 grants · 2024 $5,000Preselected only $42M
Reams Foundation Incsince 1994 Charleston, SC $2.0M20 grants · 2025 $60KPreselected only $38M
Ceres Foundation Incsince 1999 Charleston, SC $1.0M45 grants · 2025 $10KPreselected only $27M
Phillips Charitable Foundation Incsince 2016 Charleston, SC $880K33 grants · 2024 $20KPreselected only $25M
The Roberts Foundation Founded By William C Roberts MDsince 2019 Charleston, SC $381K28 grants · 2025 $5,000Preselected only $11M
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