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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 51-0157939

CHI OMEGA FRATERNITY

Also known as MARIN COUNTY ALUMNAE CHAPTER

Tax-exempt · MILL VALLEY, CA 94941

Address and contacts

Address (IRS master file)
59 EUCALYPTUS KNOLL ST, MILL VALLEY, CA 94941-4644
In care of
% CAROLYN HUGHES
Mailing address (990-N for 2024)
59 Eucalyptus Knoll St, Mill Valley CA 94941
Principal officer (990-N for 2024)
Carolyn Hughes, 59 Eucalyptus Knoll St, Mill Valley CA 94941

California records

California keeps its own records of charities and corporations. Search them by EIN 51-0157939 or by the name CHI OMEGA FRATERNITY.

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 April, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025April 30, 2026September 15, 2026Not on file
2024April 30, 2025September 15, 2025990-N on file
2023April 30, 2024September 16, 2024990-N on file

File the 2025 990-N for CHI OMEGA FRATERNITY

Due September 15, 2026 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
51-0157939
Tax-exempt status
501(c)(7): Social or recreational club
Donations deductible
No
Exempt since
1940
Accounting year ends
April
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Carolyn Hughes
April 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Carolyn Hughes
April 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Carolyn Hughes
April 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Carolyn Hughes
April 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Carolyn Hughes
April 30, 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 51-0157939).

Questions about CHI OMEGA FRATERNITY

What is the EIN of CHI OMEGA FRATERNITY?
The employer identification number (EIN) of CHI OMEGA FRATERNITY is 51-0157939.
Is CHI OMEGA FRATERNITY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(7) since 1940.
Are donations to CHI OMEGA FRATERNITY tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does CHI OMEGA FRATERNITY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of CHI OMEGA FRATERNITY due?
The return for tax year 2025 (the year ending April 30, 2026) is due September 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did CHI OMEGA FRATERNITY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended April 30, 2025.
Who is the principal officer of CHI OMEGA FRATERNITY?
The 990-N for 2024 names Carolyn Hughes.

Other nonprofits in MILL VALLEY

All nonprofits in MILL VALLEY · California