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Nonprofit · EIN 36-3479088

SIGMA THETA TAU INC

Also known as IOTA ETA CHAPTER

Tax-exempt · LONG BEACH, CA 90840

Address and contacts

Address (IRS master file)
1250 N BELLFLOWER BLVD, LONG BEACH, CA 90840-0004
In care of
% LAURA SPETH
Mailing address (990-N for 2024)
1250 N Bellflower Blvd, Long Beach CA 92840
Principal officer (990-N for 2024)
Lucy VanOtterloo, 1250 N Bellflower Blvd, Long Beach CA 92840

California records

California keeps its own records of charities and corporations. Search them by EIN 36-3479088 or by the name SIGMA THETA TAU INC.

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

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990-N on file
2023June 30, 2024November 15, 2024990-N on file

File the 2025 990-N for SIGMA THETA TAU INC

Due November 16, 2026 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
36-3479088
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Exempt since
1954
Accounting year ends
June
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Lucy VanOtterloo
June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Lucy VanOtterloo
June 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Lucy VanOtterloo
June 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Lucy VanOtterloo
June 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Hayley Schum
June 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2017
Officer: Hayley Schum
June 30, 2018≤ $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 36-3479088).

Questions about SIGMA THETA TAU INC

What is the EIN of SIGMA THETA TAU INC?
The employer identification number (EIN) of SIGMA THETA TAU INC is 36-3479088.
Is SIGMA THETA TAU INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1954.
Which annual return does SIGMA THETA TAU INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SIGMA THETA TAU INC due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SIGMA THETA TAU INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended June 30, 2025.
Who is the principal officer of SIGMA THETA TAU INC?
The 990-N for 2024 names Lucy VanOtterloo.

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