Nonprofit · EIN 99-4594767
CAMBRIDGE MASTERS SWIMMING INC
Tax-exempt · CAMBRIDGE, MA 02138
Address and contacts
- Address (IRS master file)
- 63 FAYERWEATHER ST, CAMBRIDGE, MA 02138-3354
- Mailing address (990-N for 2025)
- 63 Fayerweather Street, Cambridge MA 02138
- Principal officer (990-N for 2025)
- Susan E Jensen, 63 Fayerweather Street, Cambridge MA 02138
- Website
- cambridgemastersswimming.com
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. 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 | Check at the IRS |
| 2023 | December 31, 2023 | May 15, 2024 | Check at the IRS |
IRS record
- EIN
- 99-4594767
- Tax-exempt status
- 501(c)(7): Social or recreational club
- Donations deductible
- No
- Exempt since
- 2025
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Recreation and sports (N67)
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2025 Officer: Susan E Jensen | December 31, 2025 | ≤ $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 99-4594767).
Questions about CAMBRIDGE MASTERS SWIMMING INC
- What is the EIN of CAMBRIDGE MASTERS SWIMMING INC?
- The employer identification number (EIN) of CAMBRIDGE MASTERS SWIMMING INC is 99-4594767.
- Is CAMBRIDGE MASTERS SWIMMING INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(7) since 2025.
- Are donations to CAMBRIDGE MASTERS SWIMMING INC tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does CAMBRIDGE MASTERS SWIMMING INC file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of CAMBRIDGE MASTERS SWIMMING 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 CAMBRIDGE MASTERS SWIMMING 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 CAMBRIDGE MASTERS SWIMMING INC?
- The 990-N for 2025 names Susan E Jensen.
Other nonprofits in CAMBRIDGE
- INNERCITY WEIGHTLIFTING INC EIN 27-1333425 · last filed 990 for 2025
- THE RIVERSIDE BOAT CLUB OF CAMBRIDGE EIN 04-2664080 · last filed 990 for 2024
- CAMBRIDGE CAMPING ASSOCIATION INC EIN 04-6002073 · last filed 990 for 2025
- CYCLE KIDS INC EIN 20-1169399 · last filed 990 for 2025
- NUMBER SIX CLUB EIN 04-2325521 · last filed 990 for 2025
- CAMBRIDGE SKATING CLUB EIN 04-1145220 · last filed 990 for 2025
- BOSTON TAEKWONDO PROJECT INC EIN 04-3485635 · last filed 990 for 2025
- VALPO SURF PROJECT INC EIN 27-1608970 · last filed 990 for 2024
All nonprofits in CAMBRIDGE · Massachusetts · Recreation and sports