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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 39-6078421

WISCONSIN GARDEN CLUB FEDERATION

Also known as OSHKOSH GARDEN CLUB

Tax-exempt · SUN PRAIRIE, WI 53590

Address and contacts

Address (IRS master file)
443 WOODVIEW DR, SUN PRAIRIE, WI 53590-2353
In care of
% ANN GRATTON
Mailing address (990-N for 2025)
443 Woodview Drive, Sun Prairie WI 53590
Principal officer (990-N for 2025)
Linda McCafferty, 443 Woodview Drive, Sun Prairie WI 53590

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in May, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025May 31, 2026October 15, 2026990-N on file
2024May 31, 2025October 15, 2025Check at the IRS
2023May 31, 2024October 15, 2024990-N on file

File the 2026 990-N for WISCONSIN GARDEN CLUB FEDERATION

Due October 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
39-6078421
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Group exemption
Exempt since
2005
Accounting year ends
May
Files
Form 990-N (e-Postcard)
Category (NTEE)
Environment (C034)
Group exemption
5285 (13 member organizations)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Linda McCafferty
May 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Ann Gratton
May 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022May 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Mary Jane Hull
May 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2009
Officer: Jeri Ashbeck
May 31, 2010≤ $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 39-6078421).

Questions about WISCONSIN GARDEN CLUB FEDERATION

What is the EIN of WISCONSIN GARDEN CLUB FEDERATION?
The employer identification number (EIN) of WISCONSIN GARDEN CLUB FEDERATION is 39-6078421.
Is WISCONSIN GARDEN CLUB FEDERATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2005.
Are donations to WISCONSIN GARDEN CLUB FEDERATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Group exemption).
Which annual return does WISCONSIN GARDEN CLUB FEDERATION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of WISCONSIN GARDEN CLUB FEDERATION due?
The return for tax year 2026 (the year ending May 31, 2027) is due October 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did WISCONSIN GARDEN CLUB FEDERATION last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended May 31, 2026.
Who is the principal officer of WISCONSIN GARDEN CLUB FEDERATION?
The 990-N for 2025 names Linda McCafferty.

Organizations in its group exemption (13)

Other nonprofits in SUN PRAIRIE

All nonprofits in SUN PRAIRIE · Wisconsin · Environment