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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 82-2778685

WILSON MUSEUM OF ORIENTAL ART SAN FRANCISCO

Tax-exempt · WALNUT, CA 91789

Address and contacts

Address (IRS master file)
398 LEMON CREEK DRIVE, WALNUT, CA 91789-2647
Mailing address (990-N for 2025)
398 LEMON CREEK DRIVE, WALNUT CA 91789
Principal officer (990-N for 2025)
GUOMING WU, 398 LEMON CREEK DRIVE, WALNUT CA 91789

California records

California keeps its own records of charities and corporations. Search them by EIN 82-2778685 or by the name WILSON MUSEUM OF ORIENTAL ART SAN FRANCISCO.

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

Tax yearYear endedDueIRS public records
2025August 31, 2026January 15, 2027990-N on file
2024August 31, 2025January 15, 2026990-N on file
2023August 31, 2024January 15, 2025990-N on file

File the 2026 990-N for WILSON MUSEUM OF ORIENTAL ART SAN FRANCISCO

Due January 18, 2028 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
82-2778685
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
August
Files
Form 990-N (e-Postcard)
Category (NTEE)
Education (B05)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: GUOMING WU
August 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: GUOMING WU
August 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: GUOMING WU
August 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: GUOMING WU
August 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: GUOMING WU
August 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: GUOMING WU
August 31, 2020≤ $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 82-2778685).

Questions about WILSON MUSEUM OF ORIENTAL ART SAN FRANCISCO

What is the EIN of WILSON MUSEUM OF ORIENTAL ART SAN FRANCISCO?
The employer identification number (EIN) of WILSON MUSEUM OF ORIENTAL ART SAN FRANCISCO is 82-2778685.
Is WILSON MUSEUM OF ORIENTAL ART SAN FRANCISCO tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2018.
Are donations to WILSON MUSEUM OF ORIENTAL ART SAN FRANCISCO tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does WILSON MUSEUM OF ORIENTAL ART SAN FRANCISCO file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of WILSON MUSEUM OF ORIENTAL ART SAN FRANCISCO due?
The return for tax year 2026 (the year ending August 31, 2027) is due January 18, 2028. Form 8868 extends it by six months; the 990-N cannot be extended.
When did WILSON MUSEUM OF ORIENTAL ART SAN FRANCISCO last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended August 31, 2026.
Who is the principal officer of WILSON MUSEUM OF ORIENTAL ART SAN FRANCISCO?
The 990-N for 2025 names GUOMING WU.

Other nonprofits in WALNUT

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