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Nonprofit · EIN 87-2028034

WISCONSIN MUSEUM OF NATURE AND CULTURE INC

Tax-exempt · MILWAUKEE, WI 53233

Financials

$103M$405K2024
Revenue Expenses · by fiscal year end
Financials of WISCONSIN MUSEUM OF NATURE AND CULTURE INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
August 31, 2025990$103,029,479$404,803$102,624,676$164,997,073$31,483,658$133,513,415
Financial details: 990 for the year ended August 31, 2025

Revenue

Contributions, gifts and grants
$102,866,932
of which government grants
$19,902,283
Program service revenue
$0
Investment income
$162,547
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$0
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$25,126
Legal fees
$13,960
Accounting fees
$15,709
Occupancy
$49,400
Program services (functional)
$341,234
Management and general (functional)
$38,443
Fundraising (functional)
$25,126

Balance sheet and other

Total assets, start of year
$0
Total assets, end of year
$164,997,073
Total liabilities, end of year
$31,483,658
Net assets, end of year
$133,513,415
Land, buildings and equipment
$98,502,303
Net assets without donor restrictions
$30,888,739
Net assets with donor restrictions
$102,624,676
Gross receipts
$103,029,479
Employees
0
Year formed
2021
State of legal domicile
WI

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 August 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
PATTI MCKEITHANChairman
Trustee or director, Officer
1$0
RICH MEEUSENVice President
Trustee or director, Officer
1$0
JAY WILLIAMSTreasurer
Trustee or director, Officer
1$0
PATTY YUNKSecretary
Trustee or director, Officer
1$0
CHARLES HENDERSONDirector
Trustee or director
1$0
ALEC FRASERDirector
Trustee or director
1$0
KHALAF KHALAFDirector
Trustee or director
1$0
JOEL PLANTDirector
Trustee or director
1$0
ELLEN CENSKYCEO
Officer
1$0

Address and contacts

Address (IRS master file)
800 W WELLS ST, MILWAUKEE, WI 53233-1404
In care of
% MILWAUKEE PUBLIC MUSEUM INC
Mailing address (990-N for 2024)
800 W Wells St, Milwaukee WI 53233
Principal officer (990 for 2024)
TOM OECHLER
Principal officer (990-N for 2024)
Thomas Oechler, 800 W Wells St, Milwaukee WI 53233
Signed the 990
TOM OECHLER, CFO
Phone
(414) 278-6939
Return prepared by
Andrea & Orendorff

Mission

WMNC will continue constructing the new Milwaukee Public Museum facility to completion and will then continue as the owner and operator of the new museum.

990 for the year ended August 31, 2025

Program accomplishments

  • "IN 2025, RESPONSIBILITY FOR CONSTRUCTION MANAGEMENT AND OVERSIGHT FOR THE NEW MILWAUKEE PUBLIC MUSEUM PROJECT WAS ASSIGNED TO WMNC. AS OF AUGUST 31, 2025, THE PROJECT WAS ESTIMATED TO BE 45% COMPLETE.
    Expenses $341,234

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 August, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025August 31, 2026January 15, 2027Not due yet
2024August 31, 2025January 15, 2026990 on file
2023August 31, 2024January 15, 2025Check at the IRS

IRS record

EIN
87-2028034
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2021
Accounting year ends
August
Files
Form 990 or 990-EZ
Assets (IRS master file)
$164,997,073
Income (IRS master file)
$103,029,479

Filing history

FormYear endedRevenueExpensesAssetsReturn
990August 2025$103,029,479$404,803$164,997,073XML
990-N for 2024
Officer: Thomas Oechler
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Ellen Censky
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Lue Hang
December 31, 2021≤ $50,000 receipts––e-Postcard

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 87-2028034).

Questions about WISCONSIN MUSEUM OF NATURE AND CULTURE INC

What is the EIN of WISCONSIN MUSEUM OF NATURE AND CULTURE INC?
The employer identification number (EIN) of WISCONSIN MUSEUM OF NATURE AND CULTURE INC is 87-2028034.
Is WISCONSIN MUSEUM OF NATURE AND CULTURE INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2021.
Are donations to WISCONSIN MUSEUM OF NATURE AND CULTURE INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does WISCONSIN MUSEUM OF NATURE AND CULTURE INC 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 WISCONSIN MUSEUM OF NATURE AND CULTURE INC due?
The return for tax year 2025 (the year ending August 31, 2026) is due January 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did WISCONSIN MUSEUM OF NATURE AND CULTURE INC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended August 2025.
Who is the principal officer of WISCONSIN MUSEUM OF NATURE AND CULTURE INC?
The 990 for the year ended August 31, 2025 names TOM OECHLER.
Who are the officers and directors of WISCONSIN MUSEUM OF NATURE AND CULTURE INC?
The 990 for the year ended August 31, 2025 lists 9 people; 0 received compensation from the organization.
How much revenue does WISCONSIN MUSEUM OF NATURE AND CULTURE INC have?
On its 990 for the year ended August 31, 2025 it reported revenue of $103,029,479, expenses of $404,803 and total assets of $164,997,073 at year end.

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