Nonprofit · EIN 91-1734016
OPEN SPACE INSTITUTE
Tax-exempt · STEVENSVILLE, MT 59870
Address and contacts
- Address (IRS master file)
- PO BOX 66, STEVENSVILLE, MT 59870-0066
- In care of
- % SUZANNE DAIGLE
- Mailing address (990-N for 2025)
- PO Box 66, Stevensville MT 59870
- Principal officer (990-N for 2025)
- Harold Shinsato, PO Box 66, Stevensville MT 59870
- Website
- https://osius.org
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990-N on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-N on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-N on file |
IRS record
- EIN
- 91-1734016
- 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
- 1997
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Unknown (Z99)
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2025 Officer: Harold Shinsato | December 31, 2025 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2024 Officer: Harold Shinsato | December 31, 2024 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2023 Officer: Harold Shinsato | December 31, 2023 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2022 Officer: Harold Shinsato | December 31, 2022 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2020 Officer: Harold Shinsato | December 31, 2020 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2019 Officer: Harold Shinsato | December 31, 2019 | ≤ $50,000 receipts | – | – | e-Postcard |
990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.
Questions about OPEN SPACE INSTITUTE
- What is the EIN of OPEN SPACE INSTITUTE?
- The employer identification number (EIN) of OPEN SPACE INSTITUTE is 91-1734016.
- Is OPEN SPACE INSTITUTE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1997.
- Are donations to OPEN SPACE INSTITUTE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does OPEN SPACE INSTITUTE file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of OPEN SPACE INSTITUTE 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 OPEN SPACE INSTITUTE 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 OPEN SPACE INSTITUTE?
- The 990-N for 2025 names Harold Shinsato.
Other nonprofits in STEVENSVILLE
- THE MELSNESS FOUNDATION EIN 91-2154965 · last filed 990-PF for 2025
- JANE S HEMAN FOUNDATION INC EIN 81-0526846 · last filed 990-PF for 2025
- GENESIS HOUSE INC EIN 81-0371259 · last filed 990 for 2026
- FORT OWEN RANCH FOUNDATION EIN 83-2776593 · last filed 990 for 2024
- WHITETAIL GOLF COURSE INC EIN 81-0466761 · last filed 990 for 2025
- SAPPHIRE EARLY LEARNING CENTER EIN 85-1223587 · last filed 990 for 2025
- WINGS PROGRAMS INC EIN 46-3496992 · last filed 990 for 2025
- STEVENSVILLE PANTRY PARTNERS FOOD BANK EIN 81-0462276 · last filed 990 for 2025