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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 84-1856313

MAMMOTH LAKES POLICE & MONO COUNTY SHERIFF EXPLORER POST 7880

Tax-exempt · MAMMOTH LAKES, CA 93546

Address and contacts

Address (IRS master file)
PO BOX 2799, MAMMOTH LAKES, CA 93546-2799
Mailing address (990-N for 2024)
PO Box 2799, Mammoth Lakes CA 93546
Principal officer (990-N for 2024)
Daniel Hansen, PO Box 2799, Mammoth Lakes CA 93546

California records

California keeps its own records of charities and corporations. Search them by EIN 84-1856313 or by the name MAMMOTH LAKES POLICE & MONO COUNTY SHERIFF EXPLORER POST 7880.

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, 2025990-N on file
2023June 30, 2024November 15, 2024990-N on file

File the 2025 990-N for MAMMOTH LAKES POLICE & MONO COUNTY SHERIFF EXPLORER POST 7880

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

IRS record

EIN
84-1856313
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
2019
Accounting year ends
June
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Daniel Hansen
June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Daniel Hansen
June 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Daniel Hansen
June 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: DANIEL HANSEN
June 30, 2021≤ $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 84-1856313).

Questions about MAMMOTH LAKES POLICE & MONO COUNTY SHERIFF EXPLORER POST 7880

What is the EIN of MAMMOTH LAKES POLICE & MONO COUNTY SHERIFF EXPLORER POST 7880?
The employer identification number (EIN) of MAMMOTH LAKES POLICE & MONO COUNTY SHERIFF EXPLORER POST 7880 is 84-1856313.
Is MAMMOTH LAKES POLICE & MONO COUNTY SHERIFF EXPLORER POST 7880 tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2019.
Are donations to MAMMOTH LAKES POLICE & MONO COUNTY SHERIFF EXPLORER POST 7880 tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MAMMOTH LAKES POLICE & MONO COUNTY SHERIFF EXPLORER POST 7880 file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MAMMOTH LAKES POLICE & MONO COUNTY SHERIFF EXPLORER POST 7880 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 MAMMOTH LAKES POLICE & MONO COUNTY SHERIFF EXPLORER POST 7880 last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended June 30, 2025.
Who is the principal officer of MAMMOTH LAKES POLICE & MONO COUNTY SHERIFF EXPLORER POST 7880?
The 990-N for 2024 names Daniel Hansen.

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