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Nonprofit · EIN 57-0697712

NATHAN AND MARLENE ADDLESTONE FOUNDATION INC

Tax-exempt · CHARLESTON, SC 29407

Financials

$42K$78K2023$66K$85K2024$51K$84K2025
Revenue Expenses · by fiscal year end
Financials of NATHAN AND MARLENE ADDLESTONE FOUNDATION INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$50,882$84,328-$33,446$1,292,801$0$1,292,801
December 31, 2024990-PF$65,926$85,095-$19,169$1,327,211$0$1,327,211
December 31, 2023990-PF$41,793$78,352-$36,559$1,347,736$0$1,347,736
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Dividends
$69,033
Net gain from sales of assets
-$18,151

Expenses

Grants and similar amounts paid
$67,225
Disbursements for charitable purposes
$67,225
Excise tax on investment income
$960

Balance sheet and other

Total assets, start of year
$1,327,211
Total assets, end of year
$1,292,801
Total liabilities, end of year
$0
Net assets, end of year
$1,292,801
Fair market value of assets
$1,502,216
Qualifying distributions
$67,225
Net investment income
$69,033

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990-PF for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
MARLENE ADDLESTONE BURSTEN
815 SAVANNAH HWY STE 203, CHARLESTON, SC 29407
PRESIDENT0$0
SUSAN ADDLESTONE
815 SAVANNAH HWY STE 203, CHARLESTON, SC 29407
VICE-PRESIDENT0$0
EDWARD KRONSBERG
815 SAVANNAH HWY STE 203, CHARLETON, SC 29407
SEC/TREAS1$0
990-PF for the year ended December 31, 2024: 3 people
NameTitleHours / weekCompensation
MARLENE ADDLESTONE BURSTEN
815 SAVANNAH HWY STE 203, CHARLESTON, SC 29407
PRESIDENT0$0
SUSAN ADDLESTONE
815 SAVANNAH HWY STE 203, CHARLESTON, SC 29407
VICE-PRESIDENT0$0
EDWARD KRONSBERG
815 SAVANNAH HWY STE 203, CHARLETON, SC 29407
SEC/TREAS1$0
990-PF for the year ended December 31, 2023: 3 people
NameTitleHours / weekCompensation
MARLENE ADDLESTONE BURSTEN
815 SAVANNAH HWY STE 203, CHARLESTON, SC 29407
PRESIDENT0$0
SUSAN ADDLESTONE
815 SAVANNAH HWY STE 203, CHARLESTON, SC 29407
VICE-PRESIDENT0$0
EDWARD KRONSBERG
815 SAVANNAH HWY STE 203, CHARLETON, SC 29407
SEC/TREAS1$0

Address and contacts

Address (IRS master file)
815 SAVANNAH HWY, CHARLESTON, SC 29407-7349
Signed the 990-PF
ED KRONSBERG, TRUSTEE
Phone
(843) 577-9300
Return prepared by
STREETMAN JONES & POWERS LLC

What it must file and when

IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-PF on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
57-0697712
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private non-operating foundation
Donations deductible (Pub 78)
Private foundation, 30% limit
Exempt since
1980
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$1,292,801
Income (IRS master file)
$520,445

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$50,882$84,328$1,292,801IRS
990-PFDecember 2024$65,926$85,095$1,327,211XML
990-PFDecember 2023$41,793$78,352$1,347,736XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 2020–––IRS
990-PFDecember 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 57-0697712).

Questions about NATHAN AND MARLENE ADDLESTONE FOUNDATION INC

What is the EIN of NATHAN AND MARLENE ADDLESTONE FOUNDATION INC?
The employer identification number (EIN) of NATHAN AND MARLENE ADDLESTONE FOUNDATION INC is 57-0697712.
Is NATHAN AND MARLENE ADDLESTONE FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1980.
Are donations to NATHAN AND MARLENE ADDLESTONE FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does NATHAN AND MARLENE ADDLESTONE FOUNDATION INC file?
Form 990-PF. Private foundations file every year.
When is the next return of NATHAN AND MARLENE ADDLESTONE FOUNDATION INC due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did NATHAN AND MARLENE ADDLESTONE FOUNDATION INC last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended December 2025.
Who are the officers and directors of NATHAN AND MARLENE ADDLESTONE FOUNDATION INC?
The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does NATHAN AND MARLENE ADDLESTONE FOUNDATION INC have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $50,882, expenses of $84,328 and total assets of $1,292,801 at year end.

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