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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 81-3770182

MARSHALL CITIZEN SCIENCE INSTITUTE

Also known as MCSI

Tax-exempt · OLYMPIA, WA 98508

Address and contacts

Address (IRS master file)
PO BOX 13442, OLYMPIA, WA 98508-3442
In care of
% ANGELA PRZYBYLOWICZ
Mailing address (990-N for 2024)
PO Box 13442, Olympia WA 98508
Principal officer (990-N for 2024)
Devin Johnson, PO Box 13442, Olympia WA 98508

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

Tax yearYear endedDueIRS public records
2025October 31, 2026March 15, 2027Not due yet
2024October 31, 2025March 16, 2026990-N on file
2023October 31, 2024March 17, 2025990-N on file

File the 2025 990-N for MARSHALL CITIZEN SCIENCE INSTITUTE

Due March 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
81-3770182
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
2019
Accounting year ends
October
Files
Form 990-N (e-Postcard)
Category (NTEE)
Education (B12)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Devin Johnson
October 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Vicki Jovanovic
October 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Vicki Jovanovic
October 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: ANGELA PRZYBYLOWICZ
October 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: ANGELA PRZYBYLOWICZ
October 31, 2020≤ $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 81-3770182).

Questions about MARSHALL CITIZEN SCIENCE INSTITUTE

What is the EIN of MARSHALL CITIZEN SCIENCE INSTITUTE?
The employer identification number (EIN) of MARSHALL CITIZEN SCIENCE INSTITUTE is 81-3770182.
Is MARSHALL CITIZEN SCIENCE INSTITUTE tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2019.
Are donations to MARSHALL CITIZEN SCIENCE INSTITUTE tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MARSHALL CITIZEN SCIENCE INSTITUTE file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MARSHALL CITIZEN SCIENCE INSTITUTE due?
The return for tax year 2025 (the year ending October 31, 2026) is due March 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MARSHALL CITIZEN SCIENCE INSTITUTE last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended October 31, 2025.
Who is the principal officer of MARSHALL CITIZEN SCIENCE INSTITUTE?
The 990-N for 2024 names Devin Johnson.

Other nonprofits in OLYMPIA

All nonprofits in OLYMPIA · Washington · Education