Nonprofit · EIN 74-3132428
MOUNT SHASTA RESEARCH FOUNDATION
Tax-exempt · SACRAMENTO, CA 95811
Address and contacts
- Address (IRS master file)
- 1401 21ST STREET R 8203, SACRAMENTO, CA 95811-5226
- In care of
- % JACQUELINE IFFT-MATISEK
- Mailing address (990-N for 2025)
- 1401 21ST Street R 8203, Sacramento CA 95811
- Principal officer (990-N for 2025)
- Jacqueline A Ifft-Matisek, 13395 VOYAGER PKWY, Colorado Springs CO 80921
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 | No data |
| 2023 | December 31, 2023 | May 15, 2024 | No data |
IRS record
- EIN
- 74-3132428
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2006
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Environment (C30)
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2025 Officer: Jacqueline A Ifft-Matisek | December 31, 2025 | ≤ $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 MOUNT SHASTA RESEARCH FOUNDATION
- What is the EIN of MOUNT SHASTA RESEARCH FOUNDATION?
- The employer identification number (EIN) of MOUNT SHASTA RESEARCH FOUNDATION is 74-3132428.
- Is MOUNT SHASTA RESEARCH FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2006.
- Are donations to MOUNT SHASTA RESEARCH FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does MOUNT SHASTA RESEARCH FOUNDATION file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of MOUNT SHASTA RESEARCH FOUNDATION 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 MOUNT SHASTA RESEARCH FOUNDATION 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 MOUNT SHASTA RESEARCH FOUNDATION?
- The 990-N for 2025 names Jacqueline A Ifft-Matisek.
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