Nonprofit · EIN 57-1047450
MST INSTITUTE INC
Tax-exempt (reinstated) · MCMURRAY, PA 15317
Address and contacts
- Address (IRS master file)
- 455 VALLEY BROOK RD STE 200, MCMURRAY, PA 15317-3367
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
- 57-1047450
- 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
- 2026
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Mental health and crisis intervention (F60)
- Assets (IRS master file)
- $706,235
- Income (IRS master file)
- $663,990
Revocation and reinstatement
- Exemption revoked
- May 15, 2025
- Posted by the IRS
- February 10, 2026
- Reinstated
- Effective May 15, 2025
From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
| 990 | December 2017 | – | – | – | 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 57-1047450).
Questions about MST INSTITUTE INC
- What is the EIN of MST INSTITUTE INC?
- The employer identification number (EIN) of MST INSTITUTE INC is 57-1047450.
- Is MST INSTITUTE INC tax-exempt?
- Yes. The IRS revoked its exemption on May 15, 2025 and reinstated it effective May 15, 2025.
- Are donations to MST INSTITUTE INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does MST INSTITUTE INC 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 MST INSTITUTE 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 MST INSTITUTE INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2021.
Other nonprofits in MCMURRAY
- CEA-HOW PENNSYLVANIA INTERGROUP EIN 26-2087608 · last filed 990-N for 2025
- VALLEY BROOK COUNTRY CLUB EIN 25-0917626 · last filed 990 for 2025
- VETERANS OF FOREIGN WARS OF THE UNITED STATES DEPT OF PENNSYLVANIA EIN 25-6063363 · last filed 990 for 2024
- SOUTHPOINTE AMATEUR HOCKEY ASSOCIATION INC EIN 25-1734500 · last filed 990 for 2025
- ALWAYS B SMILING INC EIN 85-3823890 · last filed 990 for 2025
- LIBRARY SPORTSMEN ASSOCIATION EIN 25-1358574 · last filed 990 for 2025
- SOUTHPOINTE PROPERTY OWNERS ASSOCIATION INC EIN 03-0490546 · last filed 990 for 2025
- PETERS TOWNSHIP VOLUNTEER FIRE COMPANY EIN 25-6040619 · last filed 990 for 2025
All nonprofits in MCMURRAY · Pennsylvania · Mental health and crisis intervention