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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 82-4179844

OPTICAL SOCIETY OF SOUTHERN CALIFORNIA INC

Tax-exempt · TUSTIN, CA 92782

Address and contacts

Address (IRS master file)
2312 PARK AVE BOX 228, TUSTIN, CA 92782-2702
Mailing address (990-N for 2024)
2312 Park Ave Box 228, Tustin CA 92782
Principal officer (990-N for 2024)
Donn Silberman, 119 Garcilla Drive, Rancho Mission Viejo CA 92694

California records

California keeps its own records of charities and corporations. Search them by EIN 82-4179844 or by the name OPTICAL SOCIETY OF SOUTHERN CALIFORNIA 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 June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990-N on file
2023June 30, 2024November 15, 2024990-N on file

File the 2025 990-N for OPTICAL SOCIETY OF SOUTHERN CALIFORNIA INC

Due November 16, 2026 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
82-4179844
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2018
Accounting year ends
June
Files
Form 990-N (e-Postcard)
Category (NTEE)
Education (B03)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Donn Silberman
June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Martin Hagenbuechle
June 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Martin Hagenbuechle
June 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Martin Hagenbuechle
June 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Martin Hagenbuechle
June 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Bo Wang
June 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 82-4179844).

Questions about OPTICAL SOCIETY OF SOUTHERN CALIFORNIA INC

What is the EIN of OPTICAL SOCIETY OF SOUTHERN CALIFORNIA INC?
The employer identification number (EIN) of OPTICAL SOCIETY OF SOUTHERN CALIFORNIA INC is 82-4179844.
Is OPTICAL SOCIETY OF SOUTHERN CALIFORNIA INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2018.
Are donations to OPTICAL SOCIETY OF SOUTHERN CALIFORNIA INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does OPTICAL SOCIETY OF SOUTHERN CALIFORNIA INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of OPTICAL SOCIETY OF SOUTHERN CALIFORNIA INC due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did OPTICAL SOCIETY OF SOUTHERN CALIFORNIA INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended June 30, 2025.
Who is the principal officer of OPTICAL SOCIETY OF SOUTHERN CALIFORNIA INC?
The 990-N for 2024 names Donn Silberman.

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