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Nonprofit · EIN 42-1465918

SIOUX CENTER FOUNDATION

Tax-exempt · SIOUX CENTER, IA 51250

Financials

$592K$54K2023$752K$57K2024$653K$84K2025
Revenue Expenses · by fiscal year end
Financials of SIOUX CENTER FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$653,066$84,117$568,949$2,859,549$0$2,859,549
December 31, 2024990$751,556$56,580$694,976$2,791,710$0$2,791,710
December 31, 2023990$592,178$53,626$538,552$2,640,715$0$2,640,715
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$360,403
Program service revenue
$0
Investment income
$3,861
Royalties
$288,802
Other revenue
$288,802

Expenses

Grants and similar amounts paid
$0
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Program services (functional)
$62,539
Management and general (functional)
$20,737
Fundraising (functional)
$841

Balance sheet and other

Total assets, start of year
$2,791,710
Total assets, end of year
$2,859,549
Total liabilities, end of year
$0
Net assets, end of year
$2,859,549
Gross receipts
$653,066
Employees
0

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
DOUG BOONEDIRECTOR
Trustee or director
–$0
BENJ VAN DONGEDIRECTOR
Trustee or director
–$0
DEAN GABHARTVICE PRESIDE
Trustee or director
–$0
KEN SMITDIRECTOR
Trustee or director
–$0
MYRON D TOERINGSEC/TREAS
Trustee or director, Officer
–$0
RANDY VREUGDENHILDIRECTOR
Trustee or director
–$0
KEVIN WOLTERSTORFFPRESIDENT
Trustee or director, Officer
–$0
990 for the year ended December 31, 2024: 7 people
NameTitleHours / weekCompensation
DOUG BOONEDIRECTOR
Trustee or director
–$0
BENJ VAN DONGEDIRECTOR
Trustee or director, Officer
–$0
DEAN GABHARTDIRECTOR
Trustee or director
–$0
KEN SMITVICE PRESIDE
Trustee or director
–$0
MYRON D TOERINGSEC/TREAS
Trustee or director, Officer
–$0
RANDY VREUGDENHILDIRECTOR
Trustee or director
–$0
KEVIN WOLTERSTORFFPRESIDENT
Trustee or director, Officer
–$0
990 for the year ended December 31, 2023: 7 people
NameTitleHours / weekCompensation
DOUG BOONEDIRECTOR
Trustee or director
–$0
BENJ VAN DONGEDIRECTOR
Trustee or director, Officer
–$0
W DALE DEN HERDERDIRECTOR
Trustee or director
–$0
KEN SMITVICE PRESIDE
Trustee or director
–$0
MYRON D TOERINGSEC/TREAS
Trustee or director, Officer
–$0
RANDY VREUGDENHILDIRECTOR
Trustee or director
–$0
KEVIN WOLTERSTORFFPRESIDENT
Trustee or director, Officer
–$0

Address and contacts

Address (IRS master file)
335 1ST AVE NW, SIOUX CENTER, IA 51250-1814
In care of
% PAUL CLOUSING
Principal officer (990 for 2025)
KEVIN WOLTERSTORFF, 335 FIRST AVENUE NW, SIOUX CENTER, IA 51250
Signed the 990
KEVIN WOLTERSTORFF, PRESIDENT
Phone
(712) 722-0761
Return prepared by
KROESE & KROESE PC

Mission

RECEIVE AND MAINTAIN A FUND FOR CHARITABLE, RELIGIOUS, SCIENTIFIC, LITERARY, HEALTH, WELFARE, RECREATIONAL, CULTURAL AFFAIRS OR ARTS FOR THE BENEFIT OF THE COMMUNITY

990 for the year ended December 31, 2025

Program accomplishments

  • ALL SEASONS CENTER,GOLF COURSE, LIBRARY, VET MEMORIAL, PLAYGROUND/TRAIL PROJECT, AIRPORT
  • ALL SEASONS CENTER
    Expenses $62,539

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
42-1465918
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
1999
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$2,859,549
Income (IRS master file)
$653,066

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$653,066$84,117$2,859,549IRS
990December 2024$751,556$56,580$2,791,710IRS
990December 2023$592,178$53,626$2,640,715XML
990December 2022$126,226$444,676$2,108,350IRS
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 42-1465918).

Questions about SIOUX CENTER FOUNDATION

What is the EIN of SIOUX CENTER FOUNDATION?
The employer identification number (EIN) of SIOUX CENTER FOUNDATION is 42-1465918.
Is SIOUX CENTER FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1999.
Are donations to SIOUX CENTER FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SIOUX CENTER 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 SIOUX CENTER 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 SIOUX CENTER FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who is the principal officer of SIOUX CENTER FOUNDATION?
The 990 for the year ended December 31, 2025 names KEVIN WOLTERSTORFF.
Who are the officers and directors of SIOUX CENTER FOUNDATION?
The 990 for the year ended December 31, 2025 lists 7 people; 0 received compensation from the organization.
How much revenue does SIOUX CENTER FOUNDATION have?
On its 990 for the year ended December 31, 2025 it reported revenue of $653,066, expenses of $84,117 and total assets of $2,859,549 at year end.

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