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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 81-3404121

WHITESTONE UNIVERSITY

Tax-exempt · IRVINE, CA 92604

Address and contacts

Address (IRS master file)
4000 BARRANCA PKWY STE 250, IRVINE, CA 92604-1713
Mailing address (990-N for 2025)
4000 BARRANCA PARKWAY STE 250, IRVINE CA 92604
Principal officer (990-N for 2025)
HONGCHARN RHEE, 4000 BARRANCA PARKWAY STE 250, IRVINE CA 92604

California records

California keeps its own records of charities and corporations. Search them by EIN 81-3404121 or by the name WHITESTONE UNIVERSITY.

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 WHITESTONE UNIVERSITY

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

IRS record

EIN
81-3404121
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
2016
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Religion-related (X20)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: HONGCHARN RHEE
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: HONGCHARN RHEE
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: HONGCHARN RHEE
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: HONG
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: HONG CHARN RHEE
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 81-3404121).

Questions about WHITESTONE UNIVERSITY

What is the EIN of WHITESTONE UNIVERSITY?
The employer identification number (EIN) of WHITESTONE UNIVERSITY is 81-3404121.
Is WHITESTONE UNIVERSITY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2016.
Are donations to WHITESTONE UNIVERSITY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does WHITESTONE UNIVERSITY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of WHITESTONE UNIVERSITY 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 WHITESTONE UNIVERSITY 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 WHITESTONE UNIVERSITY?
The 990-N for 2025 names HONGCHARN RHEE.

Other nonprofits in IRVINE

All nonprofits in IRVINE · California · Religion-related