Nonprofit · EIN 36-6083729
OPTIMIST INTERNATIONAL
Also known as 12084 OC OF DES PLAINES IL
Tax-exempt · DES PLAINES, IL 60017
Address and contacts
- Address (IRS master file)
- PO BOX 1551, DES PLAINES, IL 60017-1551
- In care of
- % LEEANN ARNOLD
- Mailing address (990-N for 2024)
- PO BOX 1551, DES PLAINES IL 60017
- Principal officer (990-N for 2024)
- TOBY GILBERT, 300 W GOLF ROAD, MT PROSPECT IL 60056
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | September 30, 2026 | February 15, 2027 | Not due yet |
| 2024 | September 30, 2025 | February 16, 2026 | 990-N on file |
| 2023 | September 30, 2024 | February 17, 2025 | 990-N on file |
IRS record
- EIN
- 36-6083729
- Tax-exempt status
- 501(c)(4): Social welfare organization
- Donations deductible
- No
- Exempt since
- 1967
- Accounting year ends
- September
- Files
- Form 990-N (e-Postcard)
- Group exemption
- 1334: OPTIMIST INTERNATIONAL
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2024 Officer: TOBY GILBERT | September 30, 2025 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2023 Officer: TOBY GILBERT | September 30, 2024 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2022 Officer: TOBY GILBERT | September 30, 2023 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2021 Officer: TOBY GILBERT | September 30, 2022 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2019 Officer: TOBY GILBERT | September 30, 2020 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2018 Officer: TOBY GILBERT | 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 36-6083729).
Questions about OPTIMIST INTERNATIONAL
- What is the EIN of OPTIMIST INTERNATIONAL?
- The employer identification number (EIN) of OPTIMIST INTERNATIONAL is 36-6083729.
- Is OPTIMIST INTERNATIONAL tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(4) since 1967.
- 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 2025 (the year ending September 30, 2026) is due February 15, 2027. 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 2024 for the year ended September 30, 2025.
- Who is the principal officer of OPTIMIST INTERNATIONAL?
- The 990-N for 2024 names TOBY GILBERT.
Other nonprofits in DES PLAINES
- LUTHERAN SOCIAL SERVICES OF ILLINOIS EIN 36-2584799 · last filed 990 for 2025
- INSTITUTE OF GAS TECHNOLOGY EIN 36-2170137 · last filed 990 for 2024
- MARYVILLE ACADEMY EIN 36-2170873 · last filed 990 for 2025
- ISLAMIC FOOD AND NUTRITON COUNCIL OF AMERICA EIN 36-3193649 · last filed 990 for 2024
- RIMLAND SERVICES NFP EIN 36-2718291 · last filed 990 for 2025
- UNITED FOOD AND COMMERCIAL WORKERS INTERNATIONAL UNION EIN 36-2125555 · last filed 990 for 2025
- OPERATIONS TECHNOLOGY DEVELOPMENT NFP EIN 33-1061445 · last filed 990 for 2024
- SCIENCE AND ARTS ACADEMY EIN 36-3838771 · last filed 990 for 2025