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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 14-1591491

GREENBUSH HISTORICAL SOCIETY C O MRS KENNETH M BARBER

Tax-exempt · RENSSELAER, NY 12144

Address and contacts

Address (IRS master file)
6R SITZMARK LN, RENSSELAER, NY 12144-9460
In care of
% WANDA CHENOT
Mailing address (990-N for 2025)
6R Sitzmark Ln, Rensselaer NY 12144
Principal officer (990-N for 2025)
Jill Knapp, 42 Hawthorne Avenue, Delmar NY 12051

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

Tax yearYear endedDueIRS public records
2025April 30, 2026September 15, 2026990-N on file
2024April 30, 2025September 15, 2025990-N on file
2023April 30, 2024September 16, 2024990-N on file

File the 2026 990-N for GREENBUSH HISTORICAL SOCIETY C O MRS KENNETH M BARBER

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

IRS record

EIN
14-1591491
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1977
Accounting year ends
April
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Jill Knapp
April 30, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Jill Knapp
April 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Jill Knapp
April 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: MaryEllen Sullivan
April 30, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Wanda Chenot
April 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Wanda Chenot
April 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: MaryEllen Sullivan
April 30, 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 14-1591491).

Questions about GREENBUSH HISTORICAL SOCIETY C O MRS KENNETH M BARBER

What is the EIN of GREENBUSH HISTORICAL SOCIETY C O MRS KENNETH M BARBER?
The employer identification number (EIN) of GREENBUSH HISTORICAL SOCIETY C O MRS KENNETH M BARBER is 14-1591491.
Is GREENBUSH HISTORICAL SOCIETY C O MRS KENNETH M BARBER tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1977.
Are donations to GREENBUSH HISTORICAL SOCIETY C O MRS KENNETH M BARBER tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does GREENBUSH HISTORICAL SOCIETY C O MRS KENNETH M BARBER file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of GREENBUSH HISTORICAL SOCIETY C O MRS KENNETH M BARBER due?
The return for tax year 2026 (the year ending April 30, 2027) is due September 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did GREENBUSH HISTORICAL SOCIETY C O MRS KENNETH M BARBER last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended April 30, 2026.
Who is the principal officer of GREENBUSH HISTORICAL SOCIETY C O MRS KENNETH M BARBER?
The 990-N for 2025 names Jill Knapp.

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