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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 36-6094102

MOUNTAINEERING FOUNDATION OF CHICAGO

Tax-exempt · NAPERVILLE, IL 60540

Address and contacts

Address (IRS master file)
24W115 HOBSON RD, NAPERVILLE, IL 60540-9522
In care of
% MATTHEW W HARABURDA
Mailing address (990-N for 2024)
24w115 Hobson Rd, Naperville IL 60540
Principal officer (990-N for 2024)
Matthew W Haraburda, 24w115 Hobson Rd, Naperville IL 60540

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, 2026Not on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2025 990-N for MOUNTAINEERING FOUNDATION OF CHICAGO

Due May 15, 2026 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
36-6094102
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
1952
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Matthew W Haraburda
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Matthew W Haraburda
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Matthew W Haraburda
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: John Gorby
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: John Dawson Gorby
December 31, 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 36-6094102).

Questions about MOUNTAINEERING FOUNDATION OF CHICAGO

What is the EIN of MOUNTAINEERING FOUNDATION OF CHICAGO?
The employer identification number (EIN) of MOUNTAINEERING FOUNDATION OF CHICAGO is 36-6094102.
Is MOUNTAINEERING FOUNDATION OF CHICAGO tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1952.
Are donations to MOUNTAINEERING FOUNDATION OF CHICAGO tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MOUNTAINEERING FOUNDATION OF CHICAGO file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MOUNTAINEERING FOUNDATION OF CHICAGO due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MOUNTAINEERING FOUNDATION OF CHICAGO last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended December 31, 2024.
Who is the principal officer of MOUNTAINEERING FOUNDATION OF CHICAGO?
The 990-N for 2024 names Matthew W Haraburda.

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