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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 23-2229063

INSTITUTE FOR ORGONOMIC SCIENCE

Tax-exempt · GLENDALE, CA 91202

Address and contacts

Address (IRS master file)
1141 N BRAND BLVD STE 306, GLENDALE, CA 91202-3659
In care of
% STEPHAN SIMONIAN
Mailing address (990-N for 2025)
10801 SE 23rd Cir, VANCOUVER WA 98664
Principal officer (990-N for 2025)
Jongwon Seo, 10801 SE 23rd Cir, VANCOUVER WA 98664

California records

California keeps its own records of charities and corporations. Search them by EIN 23-2229063 or by the name INSTITUTE FOR ORGONOMIC SCIENCE.

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 INSTITUTE FOR ORGONOMIC SCIENCE

Due January 17, 2028 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
23-2229063
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1983
Accounting year ends
August
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Jongwon Seo
August 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Stephen Simonian
August 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Stephan Simonian
August 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Stephan Simonian
August 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: STEPHAN SIMONIAN
August 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018August 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 23-2229063).

Questions about INSTITUTE FOR ORGONOMIC SCIENCE

What is the EIN of INSTITUTE FOR ORGONOMIC SCIENCE?
The employer identification number (EIN) of INSTITUTE FOR ORGONOMIC SCIENCE is 23-2229063.
Is INSTITUTE FOR ORGONOMIC SCIENCE tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1983.
Are donations to INSTITUTE FOR ORGONOMIC SCIENCE tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does INSTITUTE FOR ORGONOMIC SCIENCE file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of INSTITUTE FOR ORGONOMIC SCIENCE due?
The return for tax year 2026 (the year ending August 31, 2027) is due January 17, 2028. Form 8868 extends it by six months; the 990-N cannot be extended.
When did INSTITUTE FOR ORGONOMIC SCIENCE 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 INSTITUTE FOR ORGONOMIC SCIENCE?
The 990-N for 2025 names Jongwon Seo.

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