Nonprofit · EIN 81-4386164
WONDER MOUNTAIN INC
Tax-exempt · NORTHAMPTON, MA 01060
Address and contacts
- Address (IRS master file)
- C/O LESSER 39 MAIN ST, NORTHAMPTON, MA 01060-0000
- In care of
- % LESSER
- Mailing address (990-N for 2025)
- c/o Lesser 39 Main St, Northampton MA 01060
- Principal officer (990-N for 2025)
- Adam H Bauer, 106 Jackson Hill Rd, Leverett MA 01054
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 | 990-N on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-N on file |
IRS record
- EIN
- 81-4386164
- 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
- 2018
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Arts, culture and humanities (A25)
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2025 Officer: Adam H Bauer | December 31, 2025 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2024 Officer: Adam H Bauer | December 31, 2024 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2023 Officer: Adam H Bauer | December 31, 2023 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2020 | – | – | – | IRS |
| 990-N for 2016 Officer: ADAM H BAUER | December 31, 2016 | ≤ $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 81-4386164).
Questions about WONDER MOUNTAIN INC
- What is the EIN of WONDER MOUNTAIN INC?
- The employer identification number (EIN) of WONDER MOUNTAIN INC is 81-4386164.
- Is WONDER MOUNTAIN INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2018.
- Are donations to WONDER MOUNTAIN INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does WONDER MOUNTAIN INC file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of WONDER MOUNTAIN INC 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 WONDER MOUNTAIN INC 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 WONDER MOUNTAIN INC?
- The 990-N for 2025 names Adam H Bauer.
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