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Nonprofit · EIN 36-4898367

WASHINGTON STATE UNIVERSITY

Also known as MAE VALLEY RANCHERS & RIDERS

Tax-exempt · MOSES LAKE, WA 98837

Address and contacts

Address (IRS master file)
1525 E WHEELER RD, MOSES LAKE, WA 98837-9753
In care of
% LORI TWAMLEY
Mailing address (990-N for 2024)
1525 East Wheeler Road, Moses Lake WA 98837
Principal officer (990-N for 2024)
Carolyn Russo, 1525 East Wheeler Road, Moses Lake WA 98837

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

Tax yearYear endedDueIRS public records
2025September 30, 2026February 15, 2027Not due yet
2024September 30, 2025February 16, 2026990-N on file
2023September 30, 2024February 17, 2025990-N on file

IRS record

EIN
36-4898367
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Exempt since
2014
Accounting year ends
September
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Carolyn Russo
September 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Carolyn Russo
September 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022September 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Carolyn Russo
September 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Carolyn Russo
September 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Jeannie Kiehn
September 30, 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 36-4898367).

Questions about WASHINGTON STATE UNIVERSITY

What is the EIN of WASHINGTON STATE UNIVERSITY?
The employer identification number (EIN) of WASHINGTON STATE UNIVERSITY is 36-4898367.
Is WASHINGTON STATE UNIVERSITY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2014.
Which annual return does WASHINGTON STATE UNIVERSITY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of WASHINGTON STATE UNIVERSITY due?
The return for tax year 2025 (the year ending September 30, 2026) is due February 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did WASHINGTON STATE UNIVERSITY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended September 30, 2025.
Who is the principal officer of WASHINGTON STATE UNIVERSITY?
The 990-N for 2024 names Carolyn Russo.

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