Nonprofit · EIN 46-5112972
THE HYDROUS
Tax-exempt · SAN FRANCISCO, CA 94111
Address and contacts
- Address (IRS master file)
- 1160 BATTERY ST STE 100 PMB 10, SAN FRANCISCO, CA 94111-1233
- In care of
- % ERIKA WOOLSEY
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-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 46-5112972
- 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
- 2025
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Community improvement and capacity building (S99)
- Assets (IRS master file)
- $62,412
- Income (IRS master file)
- $46,526
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | – | – | – | IRS |
| 990 | December 2024 | – | – | – | IRS |
| 990-PF | December 2023 | $132,973 | $363,242 | $111,186 | IRS |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | December 2018 | – | – | – | 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 THE HYDROUS
- What is the EIN of THE HYDROUS?
- The employer identification number (EIN) of THE HYDROUS is 46-5112972.
- Is THE HYDROUS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2025.
- Are donations to THE HYDROUS tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does THE HYDROUS file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of THE HYDROUS 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 THE HYDROUS last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
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- INTERNATIONAL FINANCIAL REPORTING STANDARDS FOUNDATION EIN 13-4164140 · last filed 990 for 2025
- BURNING MAN PROJECT EIN 45-2638273 · last filed 990 for 2024
- SAN FRANCISCO TOURISM IMPROVEMENT DISTRICT MANAGEMENT CORPORATION EIN 26-4814856 · last filed 990 for 2025
- MID-MARKET FOUNDATION EIN 85-0892059 · last filed 990 for 2024
- COMMUNITY VISION CAPITAL & CONSULTING EIN 94-3032394 · last filed 990 for 2025
- HORIZONS FOUNDATION EIN 94-2686530 · last filed 990 for 2025
- ASPIRATION EIN 91-2106274 · last filed 990 for 2025
All nonprofits in SAN FRANCISCO · California · Community improvement and capacity building