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Nonprofit · EIN 84-0407834

SIGMA NU FRATERNITY

Also known as DELTA RHO

Tax-exempt (reinstated) · FORT COLLINS, CO 80521

Address and contacts

Address (IRS master file)
1300 BAYSTONE DR, FORT COLLINS, CO 80521-3566
In care of
% DELTA RHO
Mailing address (990-N for 2025)
1300 Baystone Dr, Fort Collins CO 80107
Principal officer (990-N for 2025)
Grayson Arciniaga, 1300 Baystone Dr, Fort Collins CO 80521

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 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-EZ for SIGMA NU FRATERNITY

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

IRS record

EIN
84-0407834
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
Category (NTEE)
Education (B83)

Revocation and reinstatement

Exemption revoked
November 15, 2010
Posted by the IRS
July 13, 2011
Reinstated
Effective April 15, 2019

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: Grayson Arciniaga
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Brandon Chi
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Joseph Stock
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: William Franks
December 31, 2022≤ $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 84-0407834).

Questions about SIGMA NU FRATERNITY

What is the EIN of SIGMA NU FRATERNITY?
The employer identification number (EIN) of SIGMA NU FRATERNITY is 84-0407834.
Is SIGMA NU FRATERNITY tax-exempt?
Yes. The IRS revoked its exemption on November 15, 2010 and reinstated it effective April 15, 2019.
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 Grayson Arciniaga.

Other nonprofits in FORT COLLINS

All nonprofits in FORT COLLINS · Colorado · Education