Nonprofit · EIN 99-0258720
JEAN & WILLIAM K H MAU FOUNDATION
Tax-exempt · HONOLULU, HI 96815
Address and contacts
- Address (IRS master file)
- 2270 KALAKAUA AVE STE 1800, HONOLULU, HI 96815-2557
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in February, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | February 28, 2026 | July 15, 2026 | Not on file |
| 2024 | February 28, 2025 | July 15, 2025 | Not on file |
| 2023 | February 29, 2024 | July 15, 2024 | Not on file |
At risk of automatic revocation
None of the last three returns is in the IRS public files. The IRS revokes tax-exempt status after three consecutive years without a return. Recent filings can take a few weeks to appear.
IRS record
- EIN
- 99-0258720
- Accounting year ends
- February
- Files
- Form 990-PF
- Assets (IRS master file)
- $1,927,535
- Income (IRS master file)
- $565,306
Filing history
No e-filed return or e-Postcard in the IRS public files.
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 99-0258720).
Questions about JEAN & WILLIAM K H MAU FOUNDATION
- What is the EIN of JEAN & WILLIAM K H MAU FOUNDATION?
- The employer identification number (EIN) of JEAN & WILLIAM K H MAU FOUNDATION is 99-0258720.
- Is JEAN & WILLIAM K H MAU FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt.
- Which annual return does JEAN & WILLIAM K H MAU FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of JEAN & WILLIAM K H MAU FOUNDATION due?
- The return for tax year 2025 (the year ending February 28, 2026) is due July 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did JEAN & WILLIAM K H MAU FOUNDATION last file with the IRS?
- There is no e-filed return or e-Postcard for it in the IRS public files.
Other nonprofits in HONOLULU
- HAWAII PACIFIC HEALTH GROUP RETURN EIN 38-3835105 · last filed 990 for 2025
- THE QUEENS MEDICAL CENTER EIN 99-0073524 · last filed 990 for 2025
- TRUSTEES OF THE ESTATE OF BERNICE PAUAHI BISHOP EIN 99-0073480 · last filed 990 for 2025
- ALOHACARE EIN 99-0309519 · last filed 990 for 2024
- QUEEN EMMA LAND COMPANY EIN 99-0183769 · last filed 990 for 2025
- KAPIOLANI MEDICAL SPECIALISTS EIN 99-0322406 · last filed 990 for 2025
- HAWAII DENTAL SERVICE EIN 99-0107971 · last filed 990 for 2024
- THE QUEENS HEALTH SYSTEMS EIN 99-0238120 · last filed 990 for 2025