Nonprofit · EIN 33-4444028
EXPLORER POST 345
Tax-exempt · HAYWARD, CA 94544
Address and contacts
- Address (IRS master file)
- 2434 WHIPPLE RD, HAYWARD, CA 94544-7808
- Mailing address (990-N for 2025)
- 2434 Whipple Road, Hayward CA 94544
- Principal officer (990-N for 2025)
- Christopher Oliveri, 2434 Whipple Road, Hayward CA 94544
California records
California keeps its own records of charities and corporations. Search them by EIN 33-4444028 or by the name EXPLORER POST 345.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
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 | Check at the IRS |
| 2023 | December 31, 2023 | May 15, 2024 | Check at the IRS |
IRS record
- EIN
- 33-4444028
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2025
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Public and societal benefit (W12)
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2025 Officer: Christopher Oliveri | December 31, 2025 | ≤ $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 33-4444028).
Questions about EXPLORER POST 345
- What is the EIN of EXPLORER POST 345?
- The employer identification number (EIN) of EXPLORER POST 345 is 33-4444028.
- Is EXPLORER POST 345 tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2025.
- Are donations to EXPLORER POST 345 tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does EXPLORER POST 345 file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of EXPLORER POST 345 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 EXPLORER POST 345 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 EXPLORER POST 345?
- The 990-N for 2025 names Christopher Oliveri.
Other nonprofits in HAYWARD
- ENGINEERS AND SCIENTISTS ACTING LOCALLY EIN 83-2077343 · last filed 990 for 2025
- MULTIPLE SCLEROSIS BAY AREA COMMUNITY ACTION EIN 84-2864884 · last filed 990-N for 2024
- AMERICAN LEGION EIN 94-6085102 · last filed 990-N for 2025
- HAYWARD SISTERS HOSPITAL EIN 94-1668344 · last filed 990 for 2025
- EDEN HOUSING INC EIN 23-1716750 · last filed 990 for 2024
- COMMUNITY CHILD CARE COORDINATING COUNCIL OF ALAMEDA COUNTY EIN 23-7218859 · last filed 990 for 2025
- TIBURCIO VASQUEZ HEALTH CENTER INC EIN 23-7118361 · last filed 990 for 2025
- EDEN INVESTMENTS INC EIN 94-2995223 · last filed 990 for 2024
All nonprofits in HAYWARD · California · Public and societal benefit