Nonprofit · EIN 81-1322402
GAMMA SIGMA BUILDING CORPORATION
Also known as PIKA-GAMMA SIGMA BUILDING
Tax-exempt · PITTSBURGH, PA 15236
Address and contacts
- Address (IRS master file)
- 5660 CROSS ST, PITTSBURGH, PA 15236-3343
- In care of
- % THOMAS VATER
- Mailing address (990-N for 2025)
- 5660 CROSS ST, PITTSBURGH PA 15236
- Principal officer (990-N for 2025)
- THOMAS VATER, 5660 Cross, PITTSBURGH PA 15236
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
- 81-1322402
- 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
- 2017
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Education (B82)
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2025 Officer: THOMAS VATER | 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 GAMMA SIGMA BUILDING CORPORATION
- What is the EIN of GAMMA SIGMA BUILDING CORPORATION?
- The employer identification number (EIN) of GAMMA SIGMA BUILDING CORPORATION is 81-1322402.
- Is GAMMA SIGMA BUILDING CORPORATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2017.
- Are donations to GAMMA SIGMA BUILDING CORPORATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does GAMMA SIGMA BUILDING CORPORATION file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of GAMMA SIGMA BUILDING CORPORATION 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 GAMMA SIGMA BUILDING CORPORATION 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 GAMMA SIGMA BUILDING CORPORATION?
- The 990-N for 2025 names THOMAS VATER.
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