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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 20-1449820

YONSEI UNIV NO CAL ALUMNI ASSN

Tax-exempt · SUNNYVALE, CA 94087

Address and contacts

Address (IRS master file)
1206 MORNINGSIDE DR, SUNNYVALE, CA 94087-1552
In care of
% HOWARD Y LEE
Mailing address (990-N for 2025)
1206 MORNINGSIDE DR, sunnyvale CA 94087
Principal officer (990-N for 2025)
KOOHYUN UM, 1206 Morningside Dr, Sunnyvale CA 94087

California records

California keeps its own records of charities and corporations. Search them by EIN 20-1449820 or by the name YONSEI UNIV NO CAL ALUMNI ASSN.

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 YONSEI UNIV NO CAL ALUMNI ASSN

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

IRS record

EIN
20-1449820
Tax-exempt status
501(c)(7): Social or recreational club
Donations deductible
No
Exempt since
2007
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: KOOHYUN UM
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Koohyun Um
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: KOOHYUN UM
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: KOOHYUN UM
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: KOOHYUN UM
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: KOOHYUN UM
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 20-1449820).

Questions about YONSEI UNIV NO CAL ALUMNI ASSN

What is the EIN of YONSEI UNIV NO CAL ALUMNI ASSN?
The employer identification number (EIN) of YONSEI UNIV NO CAL ALUMNI ASSN is 20-1449820.
Is YONSEI UNIV NO CAL ALUMNI ASSN tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(7) since 2007.
Are donations to YONSEI UNIV NO CAL ALUMNI ASSN tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does YONSEI UNIV NO CAL ALUMNI ASSN file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of YONSEI UNIV NO CAL ALUMNI ASSN 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 YONSEI UNIV NO CAL ALUMNI ASSN 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 YONSEI UNIV NO CAL ALUMNI ASSN?
The 990-N for 2025 names KOOHYUN UM.

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