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

Nonprofit · EIN 26-0047433

ARTHUR AND JOAN DOLOHANTY DIETRICH FOUNDATION CORP

Tax-exempt · MADISON, WI 53719

Financials

$397$6372023$3K$1652024$641$1712025
Revenue Expenses · by fiscal year end
Financials of ARTHUR AND JOAN DOLOHANTY DIETRICH FOUNDATION CORP by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$641$171$470$16,777$0$16,777
December 31, 2024990-PF$2,524$165$2,359$16,307$0$16,307
December 31, 2023990-PF$397$637-$240$13,948$0$13,948
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Interest
$641

Expenses

Grants and similar amounts paid
$0
Excise tax on investment income
$9

Balance sheet and other

Total assets, start of year
$16,307
Total assets, end of year
$16,777
Total liabilities, end of year
$0
Net assets, end of year
$16,777
Fair market value of assets
$16,777
Net investment income
$641

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
KATHRYN J MUELLER
1608 Alexander Ave, Streamwood, IL 60107
Vice-President0$0
ROBERT A DIETRICH
2400 W Knox St, Durham, NC 27705
Treasurer0$0
JOSEPH T DIETRICH
3429 South Stone Creek, Madison, WI 53719
President0$0
990-PF for the year ended December 31, 2024: 3 people
NameTitleHours / weekCompensation
KATHRYN J MUELLER
1608 Alexander Ave, Streamwood, IL 60107
Vice-President0$0
ROBERT A DIETRICH
25 Copper Hill Court, Durham, NC 27713
Treasurer0$0
JOSEPH T DIETRICH
3429 South Stone Creek, Madison, WI 53719
President0$0
990-PF for the year ended December 31, 2023: 3 people
NameTitleHours / weekCompensation
KATHRYN J MUELLER
1608 Alexander Ave, Streamwood, IL 60107
VicePresident0$0
ROBERT A DIETRICH
25 Copper Hill Court, Durham, NC 27713
Treasurer0$0
JOSEPH T DIETRICH
3429 South Stone Creek, Madison, WI 53719
President0$0

Address and contacts

Address (IRS master file)
3429 S STONE CREEK CIR, MADISON, WI 53719-5237
In care of
% ROBERT A DIETRICH
Signed the 990-PF
ROBERT A DIETRICH, Treasurer
Phone
(608) 332-2877

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
26-0047433
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
2002
Accounting year ends
December
Files
Form 990-PF
Category (NTEE)
Education (B82)
Assets (IRS master file)
$16,777
Income (IRS master file)
$641

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$641$171$16,777XML
990-PFDecember 2024$2,524$165$16,307IRS
990-PFDecember 2023$397$637$13,948XML
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 26-0047433).

Questions about ARTHUR AND JOAN DOLOHANTY DIETRICH FOUNDATION CORP

What is the EIN of ARTHUR AND JOAN DOLOHANTY DIETRICH FOUNDATION CORP?
The employer identification number (EIN) of ARTHUR AND JOAN DOLOHANTY DIETRICH FOUNDATION CORP is 26-0047433.
Is ARTHUR AND JOAN DOLOHANTY DIETRICH FOUNDATION CORP tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2002.
Are donations to ARTHUR AND JOAN DOLOHANTY DIETRICH FOUNDATION CORP tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does ARTHUR AND JOAN DOLOHANTY DIETRICH FOUNDATION CORP file?
Form 990-PF. Private foundations file every year.
When is the next return of ARTHUR AND JOAN DOLOHANTY DIETRICH FOUNDATION CORP 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 ARTHUR AND JOAN DOLOHANTY DIETRICH FOUNDATION CORP 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 ARTHUR AND JOAN DOLOHANTY DIETRICH FOUNDATION CORP?
The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does ARTHUR AND JOAN DOLOHANTY DIETRICH FOUNDATION CORP have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $641, expenses of $171 and total assets of $16,777 at year end.

Other nonprofits in MADISON

All nonprofits in MADISON · Wisconsin · Education