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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 39-1383516

OSHKOSH ZOOLOGICAL SOCIETY INC

Tax-exempt · OSHKOSH, WI 54902

Address and contacts

Address (IRS master file)
805 WITZEL AVE, OSHKOSH, WI 54902-5709
Mailing address (990-N for 2025)
805 Witzel Ave, Oshkosh WI 54902
Principal officer (990-N for 2025)
Nathan Hermus, 1912 McCurdy St, Oshkosh WI 54902

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 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-N on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for OSHKOSH ZOOLOGICAL SOCIETY INC

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
39-1383516
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
1981
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Animal-related (D115)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Nathan Hermus
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Nathan Hermus
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Nathan Hermus
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Nathan Hermus
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Karl Loewenstein
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Karl Loewenstein
December 31, 2019≤ $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 39-1383516).

Questions about OSHKOSH ZOOLOGICAL SOCIETY INC

What is the EIN of OSHKOSH ZOOLOGICAL SOCIETY INC?
The employer identification number (EIN) of OSHKOSH ZOOLOGICAL SOCIETY INC is 39-1383516.
Is OSHKOSH ZOOLOGICAL SOCIETY INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1981.
Are donations to OSHKOSH ZOOLOGICAL SOCIETY INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does OSHKOSH ZOOLOGICAL SOCIETY INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of OSHKOSH ZOOLOGICAL SOCIETY 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 OSHKOSH ZOOLOGICAL SOCIETY INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of OSHKOSH ZOOLOGICAL SOCIETY INC?
The 990-N for 2025 names Nathan Hermus.

Other nonprofits in OSHKOSH

All nonprofits in OSHKOSH · Wisconsin · Animal-related