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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 94-6129284

CALIFORNIA OPTOMETRIC ASSOCIATION

Also known as SAN MATEO COUNTY OPTOMETRIC SOCIETY

Tax-exempt · SAN MATEO, CA 94403

Address and contacts

Address (IRS master file)
405 SYLVAN AVE, SAN MATEO, CA 94403-3333
In care of
% ELIZABETH CHENG OD
Mailing address (990-N for 2025)
405 Sylvan Ave, San Mateo CA 94403
Principal officer (990-N for 2025)
Alfred Vong, 26088 Peterman Ave, Hayward CA 94545
Website
smcos.org

California records

California keeps its own records of charities and corporations. Search them by EIN 94-6129284 or by the name CALIFORNIA OPTOMETRIC ASSOCIATION.

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, 2025Check at the IRS
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for CALIFORNIA OPTOMETRIC ASSOCIATION

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

IRS record

EIN
94-6129284
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
1966
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Alfred Vong
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Alfred Vong
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Alfred Vong
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Elizabeth Cheng
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Elizabeth Cheng
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 94-6129284).

Questions about CALIFORNIA OPTOMETRIC ASSOCIATION

What is the EIN of CALIFORNIA OPTOMETRIC ASSOCIATION?
The employer identification number (EIN) of CALIFORNIA OPTOMETRIC ASSOCIATION is 94-6129284.
Is CALIFORNIA OPTOMETRIC ASSOCIATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1966.
Are donations to CALIFORNIA OPTOMETRIC ASSOCIATION tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does CALIFORNIA OPTOMETRIC ASSOCIATION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of CALIFORNIA OPTOMETRIC ASSOCIATION 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 CALIFORNIA OPTOMETRIC ASSOCIATION 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 CALIFORNIA OPTOMETRIC ASSOCIATION?
The 990-N for 2025 names Alfred Vong.

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