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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 94-3214561

HUMBOLDT BAY MYCOLOGICAL SOCIETY

Tax-exempt · ARCATA, CA 95518

Address and contacts

Address (IRS master file)
PO BOX 717, ARCATA, CA 95518-0717
In care of
% SARAH NORVELL CONWAY
Mailing address (990-N for 2025)
PO Box 717, Arcata CA 95518
Principal officer (990-N for 2025)
Sarah Conway, 900 Barry Road, Kneeland CA 95549

California records

California keeps its own records of charities and corporations. Search them by EIN 94-3214561 or by the name HUMBOLDT BAY MYCOLOGICAL SOCIETY.

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 HUMBOLDT BAY MYCOLOGICAL SOCIETY

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

IRS record

EIN
94-3214561
Tax-exempt status
501(c)(7): Social or recreational club
Donations deductible
No
Exempt since
1994
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Sarah Conway
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Jennifer Callen
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Joann Olson
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 94-3214561).

Questions about HUMBOLDT BAY MYCOLOGICAL SOCIETY

What is the EIN of HUMBOLDT BAY MYCOLOGICAL SOCIETY?
The employer identification number (EIN) of HUMBOLDT BAY MYCOLOGICAL SOCIETY is 94-3214561.
Is HUMBOLDT BAY MYCOLOGICAL SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(7) since 1994.
Are donations to HUMBOLDT BAY MYCOLOGICAL SOCIETY tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does HUMBOLDT BAY MYCOLOGICAL SOCIETY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of HUMBOLDT BAY MYCOLOGICAL SOCIETY 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 HUMBOLDT BAY MYCOLOGICAL SOCIETY 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 HUMBOLDT BAY MYCOLOGICAL SOCIETY?
The 990-N for 2025 names Sarah Conway.

Other nonprofits in ARCATA

All nonprofits in ARCATA · California