Nonprofit · EIN 45-0274828
SANFORD
Also known as SANFORD RESEARCH NORTH
Tax-exempt · SIOUX FALLS, SD 57117
Address and contacts
- Address (IRS master file)
- PO BOX 5039, SIOUX FALLS, SD 57117-5039
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. 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 | Not on file |
| 2024 | December 31, 2024 | May 15, 2025 | Not on file |
| 2023 | December 31, 2023 | May 15, 2024 | Not on file |
At risk of automatic revocation
None of the last three returns is in the IRS public files. The IRS revokes tax-exempt status after three consecutive years without a return. Recent filings can take a few weeks to appear.
IRS record
- EIN
- 45-0274828
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Hospital or medical research organization
- Exempt since
- 2011
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Medical research (H96Z)
- Group exemption
- 5851: SANFORD
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2018 | – | – | – | IRS |
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 45-0274828).
Questions about SANFORD
- What is the EIN of SANFORD?
- The employer identification number (EIN) of SANFORD is 45-0274828.
- Is SANFORD tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2011.
- Which annual return does SANFORD file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of SANFORD due?
- The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did SANFORD last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2018.
Other nonprofits in SIOUX FALLS
- HARVEY W PETERS RESEARCH FOUNDATION EIN 46-0459671 · last filed 990-PF for 2025
- FEISTY FIGHTERS INC EIN 27-1601342 · last filed 990 for 2024
- WONDER CAPES INC EIN 81-3925744 · last filed 990-EZ for 2025
- A CURE FOR CORA EIN 99-3307934 · last filed 990-N for 2025
- SOUTH DAKOTA DERMATOLOGY SOCIETY INC EIN 27-0543741 · last filed 990-N for 2025
- SOUTH DAKOTA MEDICAL GROUP MANAGEMENT ASSOCIATION EIN 46-0397186 · last filed 990-N for 2025
- UNITED OSTOMY ASSOCIATION OF AMERICA INC EIN 45-4755690 · last filed 990-N for 2024
- SANFORD EIN 45-3791176 · last filed 990 for 2024
All nonprofits in SIOUX FALLS · South Dakota · Medical research