Nonprofit · EIN 13-6379794
KNIGHTS OF COLUMBUS
Also known as 2247 MAMARONECK COUNCIL
Tax-exempt · MAMARONECK, NY 10543
Address and contacts
- Address (IRS master file)
- 826 UNDERHILL AVE, MAMARONECK, NY 10543-1517
- In care of
- % JIM ONEILL
- Mailing address (990-N for 2025)
- 826 Underhill Avenue, MAMARONECK NY 10543
- Principal officer (990-N for 2025)
- Louis Presti, 826 Underhill Avenue, MAMARONECK NY 10543
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990-N on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-N on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-N on file |
IRS record
- EIN
- 13-6379794
- Tax-exempt status
- 501(c)(8): Fraternal beneficiary society
- Exempt since
- 1940
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Group exemption
- 0188: KNIGHTS OF COLUMBUS
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2025 Officer: Louis Presti | December 31, 2025 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2024 Officer: Raymond Iarocci | December 31, 2024 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2023 Officer: Raymond Iarocci | December 31, 2023 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2022 Officer: Raymond Iarocci | December 31, 2022 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990 | December 2020 | – | – | – | IRS |
| 990-N for 2019 Officer: David Casterella | 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 13-6379794).
Questions about KNIGHTS OF COLUMBUS
- What is the EIN of KNIGHTS OF COLUMBUS?
- The employer identification number (EIN) of KNIGHTS OF COLUMBUS is 13-6379794.
- Is KNIGHTS OF COLUMBUS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(8) since 1940.
- Which annual return does KNIGHTS OF COLUMBUS file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of KNIGHTS OF COLUMBUS 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 KNIGHTS OF COLUMBUS 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 KNIGHTS OF COLUMBUS?
- The 990-N for 2025 names Louis Presti.
Other nonprofits in MAMARONECK
- JEWISH HOME LIFECARE SARAH NEUMAN CENTER WESTCHESTER EIN 13-3620568 · last filed 990 for 2024
- FRENCH AMERICAN SCHOOL OF NEW YORK INC EIN 13-3052502 · last filed 990 for 2025
- WINGED FOOT GOLF CLUB INC EIN 13-1737538 · last filed 990 for 2024
- HUMAN DEVELOPMENT SERVICES OF WESTCHESTER EIN 13-3008872 · last filed 990 for 2025
- BEACH POINT CLUB INC EIN 13-1697222 · last filed 990 for 2025
- ORIENTA BEACH CLUB INC EIN 13-1723696 · last filed 990 for 2024
- RICHARD AND ELIZABETH WITTEN FAM FOUNDATION EIN 13-3632751 · last filed 990-PF for 2025
- HAMPSHIRE CLUB INC EIN 46-3972616 · last filed 990 for 2025