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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 23-2499854

MONTGOMERY TOWNSHIP HISTORICAL SOCIETY INC

Tax-exempt · MONTGOMERYVLE, PA 18936

Address and contacts

Address (IRS master file)
PO BOX 678, MONTGOMERYVLE, PA 18936-0678
In care of
% SUSAN GORDON
Mailing address (990-N for 2025)
PO Box 678, Montgomeryville PA 18936
Principal officer (990-N for 2025)
Lisa Knapp Siegel, PO Box 678, Montgomeryville PA 18936

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, 2024990-N on file

File the 2026 990-N for MONTGOMERY TOWNSHIP HISTORICAL SOCIETY INC

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

IRS record

EIN
23-2499854
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
1989
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Lisa Knapp Siegel
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Lisa Knapp Siegel
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Richard Roller
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Lisa K Siegel
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Lisa K Siegel
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Lisa Knapp Siegel
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 23-2499854).

Questions about MONTGOMERY TOWNSHIP HISTORICAL SOCIETY INC

What is the EIN of MONTGOMERY TOWNSHIP HISTORICAL SOCIETY INC?
The employer identification number (EIN) of MONTGOMERY TOWNSHIP HISTORICAL SOCIETY INC is 23-2499854.
Is MONTGOMERY TOWNSHIP HISTORICAL SOCIETY INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1989.
Are donations to MONTGOMERY TOWNSHIP HISTORICAL SOCIETY INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MONTGOMERY TOWNSHIP HISTORICAL SOCIETY INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MONTGOMERY TOWNSHIP HISTORICAL SOCIETY INC 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 MONTGOMERY TOWNSHIP HISTORICAL SOCIETY INC 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 MONTGOMERY TOWNSHIP HISTORICAL SOCIETY INC?
The 990-N for 2025 names Lisa Knapp Siegel.

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