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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 84-6037700

OPTIMIST INTERNATIONAL

Also known as 25030 OC OF LITTLETON-BFT CO

Tax-exempt · LITTLETON, CO 80160

Address and contacts

Address (IRS master file)
PO BOX 621, LITTLETON, CO 80160-0621
In care of
% GARY OLMSTED
Mailing address (990-N for 2025)
PO BOX 621, LITTLETON CO 80160
Principal officer (990-N for 2025)
GARY OLMSTED, 7231 S ALBION ST, CONTENNIAL CO 80122

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 16, 2027990-N on file
2024September 30, 2025February 17, 2026Check at the IRS
2023September 30, 2024February 18, 2025Check at the IRS

File the 2026 990-N for OPTIMIST INTERNATIONAL

Due February 15, 2028 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
84-6037700
Tax-exempt status
501(c)(4): Social welfare organization
Donations deductible
No
Exempt since
1958
Accounting year ends
September
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: GARY OLMSTED
September 30, 2026≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Gary Olmsted
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Gary Olmsted
September 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Gary Olmsted
September 30, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Gary Olmsted
September 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Gary Olmsted
September 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Gary Olmsted
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 84-6037700).

Questions about OPTIMIST INTERNATIONAL

What is the EIN of OPTIMIST INTERNATIONAL?
The employer identification number (EIN) of OPTIMIST INTERNATIONAL is 84-6037700.
Is OPTIMIST INTERNATIONAL tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(4) since 1958.
Are donations to OPTIMIST INTERNATIONAL tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does OPTIMIST INTERNATIONAL file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of OPTIMIST INTERNATIONAL due?
The return for tax year 2026 (the year ending September 30, 2027) is due February 15, 2028. Form 8868 extends it by six months; the 990-N cannot be extended.
When did OPTIMIST INTERNATIONAL last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended September 30, 2026.
Who is the principal officer of OPTIMIST INTERNATIONAL?
The 990-N for 2025 names GARY OLMSTED.

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