Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 51-0619630

MICHAEL AND CARMEN DUFFEK FOUNDATION INC

Tax-exempt · ANTHEM, AZ 85086

Financials

$76K$26K2023$90K$33K2024$148K$18K2025
Revenue Expenses · by fiscal year end
Financials of MICHAEL AND CARMEN DUFFEK FOUNDATION INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$148,384$17,952$130,432$441,665$0$441,665
December 31, 2024990-PF$89,604$32,790$56,814$311,233$0$311,233
December 31, 2023990-PF$76,337$25,745$50,592$254,419$0$254,419
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$102,000
Dividends
$13,412
Net gain from sales of assets
$32,972

Expenses

Grants and similar amounts paid
$15,904
Compensation of officers, directors and key employees
$0
Salaries, compensation and benefits (total)
$0
Disbursements for charitable purposes
$16,749
Excise tax on investment income
$628

Balance sheet and other

Total assets, start of year
$311,233
Total assets, end of year
$441,665
Total liabilities, end of year
$0
Net assets, end of year
$441,665
Fair market value of assets
$623,383
Qualifying distributions
$16,749
Net investment income
$46,384

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
MICHAEL R DUFFEK
42313 N LONG COVE WAY, ANTHEM, AZ 85086
PRES TREAS DIR5$0
CARMEN DUFFEK
42313 N LONG COVE WAY, ANTHEM, AZ 85086
VP SEC DIR5$0
JEFF VINSON
1527 STAGECOACH RD, GRAND ISLAND, NE 68501
VP DIR1$0
990-PF for the year ended December 31, 2024: 3 people
NameTitleHours / weekCompensation
MICHAEL R DUFFEK
42313 N LONG COVE WAY, ANTHEM, AZ 85086
PRES TREAS DIR5$0
CARMEN DUFFEK
42313 N LONG COVE WAY, ANTHEM, AZ 85086
VP SEC DIR5$0
JEFF VINSON
1527 STAGECOACH RD, GRAND ISLAND, NE 68501
VP DIR1$0
990-PF for the year ended December 31, 2023: 3 people
NameTitleHours / weekCompensation
MICHAEL R DUFFEK
42313 N LONG COVE WAY, ANTHEM, AZ 85086
PRES TREAS DIR5$0
CARMEN DUFFEK
42313 N LONG COVE WAY, ANTHEM, AZ 85086
VP SEC DIR5$0
JEFF VINSON
1527 STAGECOACH RD, GRAND ISLAND, NE 68501
VP DIR1$0

Address and contacts

Address (IRS master file)
42313 N LONG COVE WAY, ANTHEM, AZ 85086-1250
In care of
% MICHAEL R DUFFEK
Signed the 990-PF
Michael Duffek, PRESIDENT
Phone
(623) 693-4019

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
51-0619630
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
2008
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$441,665
Income (IRS master file)
$166,737

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$148,384$17,952$441,665XML
990-PFDecember 2024$89,604$32,790$311,233XML
990-PFDecember 2023$76,337$25,745$254,419XML
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 51-0619630).

Questions about MICHAEL AND CARMEN DUFFEK FOUNDATION INC

What is the EIN of MICHAEL AND CARMEN DUFFEK FOUNDATION INC?
The employer identification number (EIN) of MICHAEL AND CARMEN DUFFEK FOUNDATION INC is 51-0619630.
Is MICHAEL AND CARMEN DUFFEK FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2008.
Are donations to MICHAEL AND CARMEN DUFFEK FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does MICHAEL AND CARMEN DUFFEK FOUNDATION INC file?
Form 990-PF. Private foundations file every year.
When is the next return of MICHAEL AND CARMEN DUFFEK 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 MICHAEL AND CARMEN DUFFEK 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 MICHAEL AND CARMEN DUFFEK 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 MICHAEL AND CARMEN DUFFEK FOUNDATION INC have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $148,384, expenses of $17,952 and total assets of $441,665 at year end.

Other nonprofits in ANTHEM

All nonprofits in ANTHEM · Arizona · Philanthropy, voluntarism and grantmaking foundations