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Nonprofit · EIN 36-2867783

OSWEGOLAND HERITAGE ASSOCIATION

Tax-exempt · OSWEGO, IL 60543

Address and contacts

Address (IRS master file)
PO BOX 23, OSWEGO, IL 60543-0023
In care of
% JUDITH WHEELER
Mailing address (990-N for 2025)
PO Box 23, Oswego IL 60543
Principal officer (990-N for 2025)
Erik Pienkos, 27111 Thornwood Blvd, Plainfield IL 60585

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

Tax yearYear endedDueIRS public records
2025March 31, 2026August 17, 2026990-N on file
2024March 31, 2025August 15, 2025990-N on file
2023March 31, 2024August 15, 2024990-N on file

File the 2026 990-N for OSWEGOLAND HERITAGE ASSOCIATION

Due August 16, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
36-2867783
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
1977
Accounting year ends
March
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Erik Pienkos
March 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Erik Pienkos
March 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Judith A Wheeler
March 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Judith A Wheeler
March 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Judith A Wheeler
March 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Judith A Wheeler
March 31, 2020≤ $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 36-2867783).

Questions about OSWEGOLAND HERITAGE ASSOCIATION

What is the EIN of OSWEGOLAND HERITAGE ASSOCIATION?
The employer identification number (EIN) of OSWEGOLAND HERITAGE ASSOCIATION is 36-2867783.
Is OSWEGOLAND HERITAGE ASSOCIATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1977.
Are donations to OSWEGOLAND HERITAGE ASSOCIATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does OSWEGOLAND HERITAGE ASSOCIATION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of OSWEGOLAND HERITAGE ASSOCIATION due?
The return for tax year 2026 (the year ending March 31, 2027) is due August 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did OSWEGOLAND HERITAGE ASSOCIATION last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended March 31, 2026.
Who is the principal officer of OSWEGOLAND HERITAGE ASSOCIATION?
The 990-N for 2025 names Erik Pienkos.

Other nonprofits in OSWEGO

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