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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 31-1077970

ALPHA CHI SIGMA FRATERNITY COLLEGIATE CHAPTER

Also known as GAMMA ZETA CHAPTER

Tax-exempt · SN LUIS OBISP, CA 93407

Address and contacts

Address (IRS master file)
1 GRAND AVE, SN LUIS OBISP, CA 93407-9000
In care of
% TREASURER GAMMA ZETA
Mailing address (990-N for 2025)
1 Grand Avenue, San Luis Obispo CA 93407
Principal officer (990-N for 2025)
Phillip Costanzo, 4363 Wavertree St, San Luis Obispo CA 93401

California records

California keeps its own records of charities and corporations. Search them by EIN 31-1077970 or by the name ALPHA CHI SIGMA FRATERNITY COLLEGIATE CHAPTER.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

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 ALPHA CHI SIGMA FRATERNITY COLLEGIATE CHAPTER

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

IRS record

EIN
31-1077970
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Exempt since
1941
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Phillip Costanzo
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Philip Costanzo
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Mateo Wolfe
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Philip Costanzo
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Philip Costanzo
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Philip Costanzo
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 31-1077970).

Questions about ALPHA CHI SIGMA FRATERNITY COLLEGIATE CHAPTER

What is the EIN of ALPHA CHI SIGMA FRATERNITY COLLEGIATE CHAPTER?
The employer identification number (EIN) of ALPHA CHI SIGMA FRATERNITY COLLEGIATE CHAPTER is 31-1077970.
Is ALPHA CHI SIGMA FRATERNITY COLLEGIATE CHAPTER tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1941.
Which annual return does ALPHA CHI SIGMA FRATERNITY COLLEGIATE CHAPTER file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of ALPHA CHI SIGMA FRATERNITY COLLEGIATE CHAPTER 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 ALPHA CHI SIGMA FRATERNITY COLLEGIATE CHAPTER 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 ALPHA CHI SIGMA FRATERNITY COLLEGIATE CHAPTER?
The 990-N for 2025 names Phillip Costanzo.

Other nonprofits in SN LUIS OBISP

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