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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 81-3755643

LYNDEN TROMP CHESS FOUNDATION

Tax-exempt · LYNDEN, WA 98264

Address and contacts

Address (IRS master file)
300 4TH ST, LYNDEN, WA 98264-1905
In care of
% SCOTT KORTHUIS - MAYOR
Mailing address (990-N for 2025)
300 4th Street, Lynden WA 98264
Principal officer (990-N for 2025)
Scott Korthuis, 300 4th Street, Lynden WA 98264

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 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, 2026990-N on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for LYNDEN TROMP CHESS FOUNDATION

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
81-3755643
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
2017
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Scott Korthuis
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Scott Korthuis
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Scott Korthuis
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Scott Korthuis
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Scott Korthuis
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Scott Korthuis
December 31, 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 81-3755643).

Questions about LYNDEN TROMP CHESS FOUNDATION

What is the EIN of LYNDEN TROMP CHESS FOUNDATION?
The employer identification number (EIN) of LYNDEN TROMP CHESS FOUNDATION is 81-3755643.
Is LYNDEN TROMP CHESS FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2017.
Are donations to LYNDEN TROMP CHESS FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does LYNDEN TROMP CHESS FOUNDATION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of LYNDEN TROMP CHESS FOUNDATION 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 LYNDEN TROMP CHESS FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of LYNDEN TROMP CHESS FOUNDATION?
The 990-N for 2025 names Scott Korthuis.

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