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Nonprofit · EIN 91-1635034

THORNTON CREEK ALLIANCE

Tax-exempt · SEATTLE, WA 98125

Address and contacts

Address (IRS master file)
1529 NE ELSHIN PL, SEATTLE, WA 98125-6523
In care of
% TREASURER
Mailing address (990-N for 2025)
1529 NE Elshin Pl, Seattle WA 98125
Principal officer (990-N for 2025)
Gary Olson, 1529 NE Elshin Pl, Seattle WA 98125

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

Tax yearYear endedDueIRS public records
2025February 28, 2026July 15, 2026990-N on file
2024February 28, 2025July 15, 2025990-N on file
2023February 29, 2024July 15, 2024990-N on file

IRS record

EIN
91-1635034
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
1996
Accounting year ends
February
Files
Form 990-N (e-Postcard)
Category (NTEE)
Environment (C30Z)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Gary Olson
February 28, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Gary Olson
February 28, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Gary Olson
February 29, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Gary Olson
February 28, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Gary Olson
February 28, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Gary Olson
February 29, 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 91-1635034).

Questions about THORNTON CREEK ALLIANCE

What is the EIN of THORNTON CREEK ALLIANCE?
The employer identification number (EIN) of THORNTON CREEK ALLIANCE is 91-1635034.
Is THORNTON CREEK ALLIANCE tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1996.
Are donations to THORNTON CREEK ALLIANCE tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does THORNTON CREEK ALLIANCE file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of THORNTON CREEK ALLIANCE due?
The return for tax year 2026 (the year ending February 28, 2027) is due July 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did THORNTON CREEK ALLIANCE last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended February 28, 2026.
Who is the principal officer of THORNTON CREEK ALLIANCE?
The 990-N for 2025 names Gary Olson.

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