Nonprofit · EIN 45-4596535
TEWAARATON FOUNDATION
Tax-exempt (reinstated) · WASHINGTON, DC 20036
Address and contacts
- Address (IRS master file)
- 1135 16TH ST NW, WASHINGTON, DC 20036-4801
- In care of
- % UNIVERSITY CLUB OF WASHINGTON DC
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 September, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | September 30, 2026 | February 16, 2027 | Not due yet |
| 2024 | September 30, 2025 | February 17, 2026 | Not on file |
| 2023 | September 30, 2024 | February 18, 2025 | Not on file |
IRS record
- EIN
- 45-4596535
- 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
- September
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B82)
- Assets (IRS master file)
- $165,038
- Income (IRS master file)
- $109,769
Revocation and reinstatement
- Exemption revoked
- February 15, 2025
- Posted by the IRS
- November 14, 2025
- Reinstated
- Effective February 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-EZ | September 2021 | – | – | – | IRS |
| 990 | September 2020 | – | – | – | IRS |
| 990 | September 2019 | – | – | – | 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 45-4596535).
Questions about TEWAARATON FOUNDATION
- What is the EIN of TEWAARATON FOUNDATION?
- The employer identification number (EIN) of TEWAARATON FOUNDATION is 45-4596535.
- Is TEWAARATON FOUNDATION tax-exempt?
- Yes. The IRS revoked its exemption on February 15, 2025 and reinstated it effective February 15, 2025.
- Are donations to TEWAARATON FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does TEWAARATON FOUNDATION 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 TEWAARATON FOUNDATION due?
- The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did TEWAARATON FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended September 2021.
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All nonprofits in WASHINGTON · District of Columbia · Education