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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 27-0565784

FERMILAB NATURAL AREAS

Tax-exempt · WARRENVILLE, IL 60555

Address and contacts

Address (IRS master file)
PO BOX 717, WARRENVILLE, IL 60555-0717
In care of
% JOLIE MACIER
Mailing address (990-N for 2025)
PO Box 717, Warrenville IL 60555
Principal officer (990-N for 2025)
Thomas Mozer, 30w019 Spruce Ct, Warrenville IL 60555

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, 2025Check at the IRS
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for FERMILAB NATURAL AREAS

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

IRS record

EIN
27-0565784
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
2010
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Environment (C60)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Thomas Mozer
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Thomas
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Thomas Mozer
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Penelope Kasper
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Thomas Mozer
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Thomas Mozer
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 27-0565784).

Questions about FERMILAB NATURAL AREAS

What is the EIN of FERMILAB NATURAL AREAS?
The employer identification number (EIN) of FERMILAB NATURAL AREAS is 27-0565784.
Is FERMILAB NATURAL AREAS tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2010.
Are donations to FERMILAB NATURAL AREAS tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does FERMILAB NATURAL AREAS file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of FERMILAB NATURAL AREAS 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 FERMILAB NATURAL AREAS 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 FERMILAB NATURAL AREAS?
The 990-N for 2025 names Thomas Mozer.

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