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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 99-3870402

SEMPER FLIES FOUNDATION

Tax-exempt · S LAKE TAHOE, CA 96155

Address and contacts

Address (IRS master file)
PO BOX 550335, S LAKE TAHOE, CA 96155-0335
In care of
% JAMIE MARTIN GUAJARDO
Mailing address (990-N for 2025)
PO Box 550335, South Lake Tahoe CA 96155
Principal officer (990-N for 2025)
Jamie Guajardo, PO Box 550335, South Lake Tahoe CA 96155

California records

California keeps its own records of charities and corporations. Search them by EIN 99-3870402 or by the name SEMPER FLIES FOUNDATION.

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 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, 2024Check at the IRS

File the 2026 990-N for SEMPER FLIES FOUNDATION

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

IRS record

EIN
99-3870402
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2024
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Jamie Guajardo
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Jamie Guajardo
December 31, 2024≤ $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 99-3870402).

Questions about SEMPER FLIES FOUNDATION

What is the EIN of SEMPER FLIES FOUNDATION?
The employer identification number (EIN) of SEMPER FLIES FOUNDATION is 99-3870402.
Is SEMPER FLIES FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2024.
Are donations to SEMPER FLIES FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SEMPER FLIES FOUNDATION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SEMPER FLIES FOUNDATION 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 SEMPER FLIES FOUNDATION 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 SEMPER FLIES FOUNDATION?
The 990-N for 2025 names Jamie Guajardo.

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