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Nonprofit · EIN 39-1649957

4000 FOUNDATION LIMITED

Tax-exempt · LA CROSSE, WI 54602

Address and contacts

Address (IRS master file)
PO BOX 3411, LA CROSSE, WI 54602-3411
In care of
% MARK HAMRE
Mailing address (990-N for 2025)
PO BOX 3411, LA CROSSE WI 54602
Principal officer (990-N for 2025)
MARK W HAMRE, PO BOX 3486, LA CROSSE WI 54602

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

Tax yearYear endedDueIRS public records
2025May 31, 2026October 15, 2026990-N on file
2024May 31, 2025October 15, 2025990-N on file
2023May 31, 2024October 15, 2024990-N on file

File the 2026 990-N for 4000 FOUNDATION LIMITED

Due October 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
39-1649957
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
1991
Accounting year ends
May
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: MARK W HAMRE
May 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: MARK W HAMRE
May 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: MARK W HAMRE
May 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: MARK W HAMRE
May 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: MARK W HAMRE
May 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: MARK W HAMRE
May 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 39-1649957).

Questions about 4000 FOUNDATION LIMITED

What is the EIN of 4000 FOUNDATION LIMITED?
The employer identification number (EIN) of 4000 FOUNDATION LIMITED is 39-1649957.
Is 4000 FOUNDATION LIMITED tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1991.
Are donations to 4000 FOUNDATION LIMITED tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does 4000 FOUNDATION LIMITED file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of 4000 FOUNDATION LIMITED due?
The return for tax year 2026 (the year ending May 31, 2027) is due October 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did 4000 FOUNDATION LIMITED last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended May 31, 2026.
Who is the principal officer of 4000 FOUNDATION LIMITED?
The 990-N for 2025 names MARK W HAMRE.

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