Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 99-6012667

HAWAIIAN BOTANICAL SOCIETY

Tax-exempt · HONOLULU, HI 96822

Address and contacts

Address (IRS master file)
3190 MAILE WAY, HONOLULU, HI 96822-2232
In care of
% C/O DEPT OF BOTANY UH MANOA
Mailing address (990-N for 2024)
3190 Maile Way, Honolulu HI 96822
Principal officer (990-N for 2024)
HiBotSoc Treasurer, 3190 Maile Way, Honolulu HI 96822

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 November, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2024November 30, 2025April 15, 2026990-N on file
2023November 30, 2024April 15, 2025990-N on file
2022November 30, 2023April 15, 2024990-N on file

File the 2025 990-N for HAWAIIAN BOTANICAL SOCIETY

Due April 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
99-6012667
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
1968
Accounting year ends
November
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: HiBotSoc Treasurer
November 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: HIBOTSOC Treasurer
November 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: HIBOTSOC Treasurer
November 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: HIBOTSOC Treasurer
November 30, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: HIBOTSOC Treasurer
November 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: HIBOTSOC Treasurer
November 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: HIBOTSOC Treasurer
November 30, 2019≤ $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 99-6012667).

Questions about HAWAIIAN BOTANICAL SOCIETY

What is the EIN of HAWAIIAN BOTANICAL SOCIETY?
The employer identification number (EIN) of HAWAIIAN BOTANICAL SOCIETY is 99-6012667.
Is HAWAIIAN BOTANICAL SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1968.
Are donations to HAWAIIAN BOTANICAL SOCIETY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does HAWAIIAN BOTANICAL SOCIETY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of HAWAIIAN BOTANICAL SOCIETY due?
The return for tax year 2025 (the year ending November 30, 2026) is due April 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did HAWAIIAN BOTANICAL SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended November 30, 2025.
Who is the principal officer of HAWAIIAN BOTANICAL SOCIETY?
The 990-N for 2024 names HiBotSoc Treasurer.

Other nonprofits in HONOLULU

All nonprofits in HONOLULU · Hawaii