Nonprofit · EIN 15-0564076
JEFFERSON COUNTY HISTORICAL SOCIETY
Tax-exempt (reinstated) · WATERTOWN, NY 13601
Address and contacts
- Address (IRS master file)
- 228 WASHINGTON ST, WATERTOWN, NY 13601-3301
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 | Check at the IRS |
| 2024 | December 31, 2024 | May 15, 2025 | Check at the IRS |
| 2023 | December 31, 2023 | May 15, 2024 | Check at the IRS |
IRS record
- EIN
- 15-0564076
- 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)
- Arts, culture and humanities (A50)
- Assets (IRS master file)
- $1,744,772
- Income (IRS master file)
- $96,525
Revocation and reinstatement
- Exemption revoked
- May 15, 2025
- Posted by the IRS
- August 12, 2025
- 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-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 15-0564076).
Questions about JEFFERSON COUNTY HISTORICAL SOCIETY
- What is the EIN of JEFFERSON COUNTY HISTORICAL SOCIETY?
- The employer identification number (EIN) of JEFFERSON COUNTY HISTORICAL SOCIETY is 15-0564076.
- Is JEFFERSON COUNTY HISTORICAL SOCIETY tax-exempt?
- Yes. The IRS revoked its exemption on May 15, 2025 and reinstated it effective May 15, 2025.
- Are donations to JEFFERSON COUNTY HISTORICAL SOCIETY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does JEFFERSON COUNTY HISTORICAL SOCIETY 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 JEFFERSON COUNTY HISTORICAL SOCIETY 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 JEFFERSON COUNTY HISTORICAL SOCIETY last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2021.
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All nonprofits in WATERTOWN · New York · Arts, culture and humanities