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Nonprofit · EIN 36-3501505

MCDERMOTT FOUNDATION

Tax-exempt · WINNETKA, IL 60093

Financials

$7K$33K2023$4K$32K2024$28K$39K2025
Revenue Expenses · by fiscal year end
Financials of MCDERMOTT FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$27,840$38,749-$10,909$264,117$0$264,117
December 31, 2024990-PF$3,503$31,732-$28,229$274,990$0$274,990
December 31, 2023990-PF$7,426$32,653-$25,227$303,189$0$303,189
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Dividends
$8,831
Interest
$279
Net gain from sales of assets
$18,730

Expenses

Grants and similar amounts paid
$35,500
Disbursements for charitable purposes
$38,749
Excise tax on investment income
$387

Balance sheet and other

Total assets, start of year
$274,990
Total assets, end of year
$264,117
Total liabilities, end of year
$0
Net assets, end of year
$264,117
Fair market value of assets
$504,287
Qualifying distributions
$38,749
Net investment income
$27,840

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
Ann E McDermott
330 Willow Road, Winnetka, IL 60093
President0$0
Mary Tritley
330 Willow Road, Winnetka, IL 60093
Secretary/Treas0$0
Elizabeth Isley
1904 Burton Road, Baltimore, MD 20201
Director0$0
Edward H McDermott
330 Willow Road, Winnetka, IL 60093
Director0$0
990-PF for the year ended December 31, 2024: 4 people
NameTitleHours / weekCompensation
Ann E McDermott
330 Willow Road, Winnetka, IL 60093
President0$0
Mary Tritley
330 Willow Road, Winnetka, IL 60093
Secretary/Treas0$0
Elizabeth Isley
1904 Burton Road, Baltimore, MD 20201
Director0$0
Edward H McDermott
330 Willow Road, Winnetka, IL 60093
Director0$0
990-PF for the year ended December 31, 2023: 4 people
NameTitleHours / weekCompensation
Ann E McDermott
330 Willow Road, Winnetka, IL 60093
President0$0
Mary Tritley
330 Willow Road, Winnetka, IL 60093
Secretary/Treas0$0
Elizabeth Isley
1904 Burton Road, Baltimore, MD 20201
Director0$0
Edward H McDermott
330 Willow Road, Winnetka, IL 60093
Director0$0

Address and contacts

Address (IRS master file)
330 WILLOW RD, WINNETKA, IL 60093-4130
Signed the 990-PF
Ann E McDermott, President
Phone
(847) 868-8228
Return prepared by
Ann Marie Saternus PC

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
36-3501505
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
1987
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$264,117
Income (IRS master file)
$40,577

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$27,840$38,749$264,117IRS
990-PFDecember 2024$3,503$31,732$274,990IRS
990-PFDecember 2023$7,426$32,653$303,189XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 2020–––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 36-3501505).

Questions about MCDERMOTT FOUNDATION

What is the EIN of MCDERMOTT FOUNDATION?
The employer identification number (EIN) of MCDERMOTT FOUNDATION is 36-3501505.
Is MCDERMOTT FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1987.
Are donations to MCDERMOTT FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does MCDERMOTT FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of MCDERMOTT FOUNDATION 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 MCDERMOTT FOUNDATION 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 MCDERMOTT FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
How much revenue does MCDERMOTT FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $27,840, expenses of $38,749 and total assets of $264,117 at year end.

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