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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 11-3688229

MARINE CORPS LEAGUE

Also known as 1121 GRISWOLD MOUNTAIN DET MCL

Tax-exempt · OAKHURST, CA 93644

Address and contacts

Address (IRS master file)
PO BOX 141, OAKHURST, CA 93644-0141
In care of
% HARRISON DEDMOND
Mailing address (990-N for 2023)
PO Box 141, Oakhurst CA 93644
Principal officer (990-N for 2023)
Dennis Osantowski, 43051 Long Hollow Dr, Coarsegold CA 93614

California records

California keeps its own records of charities and corporations. Search them by EIN 11-3688229 or by the name MARINE CORPS LEAGUE.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

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

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025Not on file
2023June 30, 2024November 15, 2024990-N on file

File the 2025 990-N for MARINE CORPS LEAGUE

Due November 16, 2026 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
11-3688229
Tax-exempt status
501(c)(4): Social welfare organization
Exempt since
1946
Accounting year ends
June
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2023
Officer: Dennis Osantowski
June 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Dennis Osantowski
June 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Dennis Osantowski
June 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Dennis Osantowski
June 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: George Gardner
June 30, 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 11-3688229).

Questions about MARINE CORPS LEAGUE

What is the EIN of MARINE CORPS LEAGUE?
The employer identification number (EIN) of MARINE CORPS LEAGUE is 11-3688229.
Is MARINE CORPS LEAGUE tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(4) since 1946.
Which annual return does MARINE CORPS LEAGUE file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MARINE CORPS LEAGUE due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MARINE CORPS LEAGUE last file with the IRS?
The latest return in the IRS public files is the 990-N for 2023 for the year ended June 30, 2024.
Who is the principal officer of MARINE CORPS LEAGUE?
The 990-N for 2023 names Dennis Osantowski.

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