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Nonprofit · EIN 83-0584155

CLEAN WASHINGTON WATERS

Tax-exempt · SEATTLE, WA 98103

Address and contacts

Address (IRS master file)
2501 N NORTHLAKE WAY, SEATTLE, WA 98103-9125
In care of
% MARK GREY
Mailing address (990-N for 2024)
2501 N NORTHLAKE WAY, SEATTLE WA 981039189
Principal officer (990-N for 2024)
MARK GREY, 2501 N NORTHLAKE WAY, SEATTLE WA 981039189

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. 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, 2026Check at the IRS
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

IRS record

EIN
83-0584155
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
2019
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C32)
Assets (IRS master file)
$203,295
Income (IRS master file)
$182,069

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: MARK GREY
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: MARK GREY
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Mark Grey
December 31, 2022≤ $50,000 receipts––e-Postcard
990-EZDecember 2021–––IRS
990December 2020–––IRS
990-N for 2018
Officer: MARK GREY
December 31, 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 83-0584155).

Questions about CLEAN WASHINGTON WATERS

What is the EIN of CLEAN WASHINGTON WATERS?
The employer identification number (EIN) of CLEAN WASHINGTON WATERS is 83-0584155.
Is CLEAN WASHINGTON WATERS tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2019.
Are donations to CLEAN WASHINGTON WATERS tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does CLEAN WASHINGTON WATERS file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of CLEAN WASHINGTON WATERS 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 CLEAN WASHINGTON WATERS last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended December 31, 2024.
Who is the principal officer of CLEAN WASHINGTON WATERS?
The 990-N for 2024 names MARK GREY.

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