Nonprofit · EIN 99-0816889
SIGMA NU FRATERNITY
Also known as THETA ETA ALUMNI CHAPTER
Tax-exempt · DEKALB, IL 60115
Address and contacts
- Address (IRS master file)
- 1114 BLACKHAWK RD, DEKALB, IL 60115-1416
- In care of
- % CAMERON T LYTHBERG
- Mailing address (990-N for 2025)
- 1114 Blackhawk Rd, Dekalb IL 60112
- Principal officer (990-N for 2025)
- Cameron Lythberg, 58 N Chicago St ste 404, Joliet IL 60432
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
- 99-0816889
- Tax-exempt status
- 501(c)(7): Social or recreational club
- Donations deductible
- No
- Exempt since
- 1940
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Group exemption
- 0238: SIGMA NU FRATERNITY INC
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2025 Officer: Cameron Lythberg | 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 99-0816889).
Questions about SIGMA NU FRATERNITY
- What is the EIN of SIGMA NU FRATERNITY?
- The employer identification number (EIN) of SIGMA NU FRATERNITY is 99-0816889.
- Is SIGMA NU FRATERNITY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(7) since 1940.
- Are donations to SIGMA NU FRATERNITY tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does SIGMA NU FRATERNITY 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 SIGMA NU FRATERNITY 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 SIGMA NU FRATERNITY 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 SIGMA NU FRATERNITY?
- The 990-N for 2025 names Cameron Lythberg.
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