Nonprofit · EIN 84-2791816
ENTROPY SOFTWARE FOUNDATION INC
Tax-exempt · WOODBURY, NY 11797
Address and contacts
- Address (IRS master file)
- 1000 WOODBURY RD, WOODBURY, NY 11797-2500
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. 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 | 990-PF on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 84-2791816
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private operating foundation
- Donations deductible (Pub 78)
- Private operating foundation, 50% limit
- Exempt since
- 2021
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Science and technology (U41)
- Assets (IRS master file)
- $32,887
- Income (IRS master file)
- $1,350,000
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2024 | – | – | – | IRS |
| 990-PF | December 2023 | $1,150,000 | $1,329,524 | $25,309 | IRS |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
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 ENTROPY SOFTWARE FOUNDATION INC
- What is the EIN of ENTROPY SOFTWARE FOUNDATION INC?
- The employer identification number (EIN) of ENTROPY SOFTWARE FOUNDATION INC is 84-2791816.
- Is ENTROPY SOFTWARE FOUNDATION INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2021.
- Are donations to ENTROPY SOFTWARE FOUNDATION INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private operating foundation, 50% limit).
- Which annual return does ENTROPY SOFTWARE FOUNDATION INC file?
- Form 990-PF. Private foundations file every year.
- When is the next return of ENTROPY SOFTWARE FOUNDATION 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 ENTROPY SOFTWARE FOUNDATION INC last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2024.
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