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Nonprofit · EIN 74-2077762

DONALD E MCMAHON FOUNDATION

Tax-exempt · HOUSTON, TX 77063

Financials

−$12K$83K2023$26K$90K2024$629K$124K2025
Revenue Expenses · by fiscal year end
Financials of DONALD E MCMAHON FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$629,288$124,148$505,140$1,098,784$23,149$1,075,635
December 31, 2024990$26,267$89,849-$63,582$599,001$28,506$570,495
December 31, 2023990-$11,887$82,987-$94,874$681,789$18,920$662,869
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$0
Program service revenue
$0
Investment income
$629,288
Net gain from sales of assets
$602,896
Other revenue
$0

Expenses

Grants and similar amounts paid
$108,435
Compensation of officers, directors and key employees
$0
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Accounting fees
$6,991
Program services (functional)
$108,435
Management and general (functional)
$15,713

Balance sheet and other

Total assets, start of year
$599,001
Total assets, end of year
$1,098,784
Total liabilities, end of year
$23,149
Net assets, end of year
$1,075,635
Land, buildings and equipment
$1,352
Publicly traded securities
$1,023,686
Net assets without donor restrictions
$1,075,635
Gross receipts
$1,285,137
Employees
0
Year formed
2002
State of legal domicile
TX

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 for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
ED McMAHONPresident
Trustee or director
2$0
990 for the year ended December 31, 2024: 1 people
NameTitleHours / weekCompensation
ED McMAHONPresident
Trustee or director
2$0
990 for the year ended December 31, 2023: 1 people
NameTitleHours / weekCompensation
ED McMAHONPresident
Trustee or director
2$0

Address and contacts

Address (IRS master file)
7676 WOODWAY DR STE 320, HOUSTON, TX 77063-1523
Signed the 990
ED McMAHON, President
Phone
(713) 782-5550
Return prepared by
JERRY T PAUL CPA

Mission

MEDICAL RESEARCH AND EQUIPMENT PURCHASES FOR OTHER CHARITABLE ORGANIZATIONS AND EDUCATIONAL SCHOLARSHIPS

990 for the year ended December 31, 2025

Program accomplishments

  • MEDICAL RESEARCH AND EQUIPMENT PURCHASES FOR OTHER CHARITABLE ORGANIZATIONS AND EDUCATIONAL SCHOLARSHIPS
    Expenses $108,435

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. 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 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
74-2077762
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Supporting organization (509(a)(3))
Donations deductible (Pub 78)
Supporting organization of unknown type
Exempt since
1980
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$1,098,784
Income (IRS master file)
$1,285,137

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$629,288$124,148$1,098,784XML
990December 2024$26,267$89,849$599,001XML
990December 2023-$11,887$82,987$681,789XML
990December 2022$76,141$92,683$757,743IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2019–––IRS
990December 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 74-2077762).

Questions about DONALD E MCMAHON FOUNDATION

What is the EIN of DONALD E MCMAHON FOUNDATION?
The employer identification number (EIN) of DONALD E MCMAHON FOUNDATION is 74-2077762.
Is DONALD E MCMAHON FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1980.
Are donations to DONALD E MCMAHON FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Supporting organization of unknown type).
Which annual return does DONALD E MCMAHON FOUNDATION file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of DONALD E MCMAHON 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 DONALD E MCMAHON FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who are the officers and directors of DONALD E MCMAHON FOUNDATION?
The 990 for the year ended December 31, 2025 lists 1 person; 0 received compensation from the organization.
How much revenue does DONALD E MCMAHON FOUNDATION have?
On its 990 for the year ended December 31, 2025 it reported revenue of $629,288, expenses of $124,148 and total assets of $1,098,784 at year end.

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