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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 01-0359726

WINDHAM HISTORICAL SOCIETY INC

Tax-exempt · WINDHAM, ME 04062

Address and contacts

Address (IRS master file)
PO BOX 1475, WINDHAM, ME 04062-1475
In care of
% LINDA L LUNT
Mailing address (990-N for 2024)
PO Box 1475, Windham ME 04062
Principal officer (990-N for 2024)
Susan Simonson, 479 Brook Street, Westbrook ME 04092

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

Tax yearYear endedDueIRS public records
2025September 30, 2026February 15, 2027Not due yet
2024September 30, 2025February 16, 2026990-N on file
2023September 30, 2024February 17, 2025990-N on file

File the 2025 990-N for WINDHAM HISTORICAL SOCIETY INC

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

IRS record

EIN
01-0359726
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
1996
Accounting year ends
September
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Susan Simonson
September 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Susan Simonson
September 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Susan L Simonson
September 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: SUSAN SIMSON
September 30, 2022≤ $50,000 receipts––e-Postcard
990-EZSeptember 2021–––IRS
990-EZSeptember 2020–––IRS
990-N for 2017
Officer: Linda Lunt
September 30, 2018≤ $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 01-0359726).

Questions about WINDHAM HISTORICAL SOCIETY INC

What is the EIN of WINDHAM HISTORICAL SOCIETY INC?
The employer identification number (EIN) of WINDHAM HISTORICAL SOCIETY INC is 01-0359726.
Is WINDHAM HISTORICAL SOCIETY INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1996.
Are donations to WINDHAM HISTORICAL SOCIETY INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does WINDHAM HISTORICAL SOCIETY INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of WINDHAM HISTORICAL SOCIETY INC due?
The return for tax year 2025 (the year ending September 30, 2026) is due February 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did WINDHAM HISTORICAL SOCIETY INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended September 30, 2025.
Who is the principal officer of WINDHAM HISTORICAL SOCIETY INC?
The 990-N for 2024 names Susan Simonson.

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