Nonprofit · EIN 52-1544231
SCIENTIFIC SLEUTHING INC
Tax-exempt · WASHINGTON, DC 20052
Address and contacts
- Address (IRS master file)
- 720 20TH ST NW, WASHINGTON, DC 20052-0006
- In care of
- % JAMES E STARRS
- Mailing address (990-N for 2012)
- 720 20th Street NW, Washington DC 20052
- Principal officer (990-N for 2012)
- James E Starrs, 8602 Clydesdale Road, Springfield VA 22151
What it must file and when
IRS records say it files Not required. 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
- 52-1544231
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- School
- Donations deductible
- No
- Exempt since
- 1989
- Accounting year ends
- December
- Files
- Not required
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2012 Officer: James E Starrs | December 31, 2012 | ≤ $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 52-1544231).
Questions about SCIENTIFIC SLEUTHING INC
- What is the EIN of SCIENTIFIC SLEUTHING INC?
- The employer identification number (EIN) of SCIENTIFIC SLEUTHING INC is 52-1544231.
- Is SCIENTIFIC SLEUTHING INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1989.
- Are donations to SCIENTIFIC SLEUTHING INC tax-deductible?
- No. The IRS master file says contributions to it are not deductible.
- Which annual return does SCIENTIFIC SLEUTHING INC file?
- Form Not required.
- When is the next return of SCIENTIFIC SLEUTHING INC 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 SCIENTIFIC SLEUTHING INC last file with the IRS?
- The latest return in the IRS public files is the 990-N for 2012 for the year ended December 31, 2012.
- Who is the principal officer of SCIENTIFIC SLEUTHING INC?
- The 990-N for 2012 names James E Starrs.
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