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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 95-4748323

SOUTH BAY MANAGEMENT SEMINAR INC

Tax-exempt · TORRANCE, CA 90501

Address and contacts

Address (IRS master file)
1820 WEST CARSON STREET PO BOX 339, TORRANCE, CA 90501-2858
Mailing address (990-N for 2025)
1820 West Carson Street PO BOX 339, Torrance CA 90501
Principal officer (990-N for 2025)
Yoshiharu Hamano, 1820 West Carson Street POB 339, Torrance CA 90501

California records

California keeps its own records of charities and corporations. Search them by EIN 95-4748323 or by the name SOUTH BAY MANAGEMENT SEMINAR INC.

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 SOUTH BAY MANAGEMENT SEMINAR INC

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

IRS record

EIN
95-4748323
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
2001
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Yoshiharu Hamano
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Mitsuko Ota
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: MItsuko Ota
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Yoshi Hamano
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Mitsuko Ota
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Yasuo Kumoda
December 31, 2018≤ $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 95-4748323).

Questions about SOUTH BAY MANAGEMENT SEMINAR INC

What is the EIN of SOUTH BAY MANAGEMENT SEMINAR INC?
The employer identification number (EIN) of SOUTH BAY MANAGEMENT SEMINAR INC is 95-4748323.
Is SOUTH BAY MANAGEMENT SEMINAR INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 2001.
Are donations to SOUTH BAY MANAGEMENT SEMINAR INC tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does SOUTH BAY MANAGEMENT SEMINAR INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SOUTH BAY MANAGEMENT SEMINAR INC 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 SOUTH BAY MANAGEMENT SEMINAR INC 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 SOUTH BAY MANAGEMENT SEMINAR INC?
The 990-N for 2025 names Yoshiharu Hamano.

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