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Nonprofit · EIN 11-3824369

THE LINDUS INSTITUTE INC

Tax-exempt (reinstated) · LENOX, MA 01240

Address and contacts

Address (IRS master file)
3 MORGAN MNR APT 1, LENOX, MA 01240-2566
Mailing address (990-N for 2025)
3 Morgan Manor Unit 1, Lenox MA 01240
Principal officer (990-N for 2025)
Kathleen Louise Agena, 3 Morgan Manor Unit 1, Lenox MA 01240

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 THE LINDUS INSTITUTE INC

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

IRS record

EIN
11-3824369
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
2012
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Revocation and reinstatement

Exemption revoked
May 15, 2010
Posted by the IRS
October 7, 2011
Reinstated
Effective May 15, 2010

From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Kathleen Louise Agena
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Kathleen Agena
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Kathleen Louise Agena
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Kathleen Louise Agena
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Kathleen Agena
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Kathleen Agne
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: KATHLEEN AGENA
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 11-3824369).

Questions about THE LINDUS INSTITUTE INC

What is the EIN of THE LINDUS INSTITUTE INC?
The employer identification number (EIN) of THE LINDUS INSTITUTE INC is 11-3824369.
Is THE LINDUS INSTITUTE INC tax-exempt?
Yes. The IRS revoked its exemption on May 15, 2010 and reinstated it effective May 15, 2010.
Are donations to THE LINDUS INSTITUTE INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does THE LINDUS INSTITUTE INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of THE LINDUS INSTITUTE 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 THE LINDUS INSTITUTE 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 THE LINDUS INSTITUTE INC?
The 990-N for 2025 names Kathleen Louise Agena.

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