2025 Hawaii Income Tax Filing Deadlines for 2024 Returns

Hawaii State Income Taxes for the 2024 tax year can be prepared and e-filed, along with your IRS or Federal Income Tax Return. You can also find out how to prepare and e-file just an Arizona state return. Check the deadlines for IRS or Federal Tax Returns.

Tax Deadlines and the Hawaii Tax Day

The majority of deadlines listed here are for the 2024 tax year and are due in 2025; some apply to upcoming years and some are IRS or federal deadlines. After Oct. 15 you can no longer e-file tax returns or current year tax amendments. They will have to be filed via paper tax forms.

Deadline

Type

Description

Prepare, eFile, Download
HI + IRS Tax Return

Detailed eFile.com Service Overview

Start Federal and Hawaii Tax Returns

April 15, 2025

Income Tax Return

Prepare and e-file a Federal (Due Date April 15) and Hawaii State Individual Tax Return (Due Date April 15) by April 15 - eFileIT.

April 15, 2025

Income Tax Extension

See Hawaii Income Tax Extension Details.

October 15, 2025

Income Tax Return after the April 15 Hawaii Tax Extension

Last day to e-File a 2024 Hawaii State Income Tax Return for Tax Extension Filers and late eFilers. You can only eFile (to file by paper see below) Hawaii Income Tax Return together with an IRS Tax Return - eFileIT.

October 15, 2025 via mail-in Forms.
Forms and mailing addresses

Income Tax Return after the April 15 Hawaii Tax Extension

Deadline for taxpayers who got a HI Tax Extension to file their Hawaii Income Tax Return by mail-in Forms - the Forms incl. mailing addresses are listed here - is Oct. 15. (Optionally, the eFileIT deadline is Oct. 15). Instructions on how to only prepare - without the IRS return - prepare and file an Hawaii State Income Tax Return on eFile.com.

Complete and Mail In Now

Tax Amendment for all Tax Years
File as soon as possible.

See detailed Instructions on how to prepare and mail in a Hawaii State Income Tax Return Amendment.

IRS Due Dates

IRS Tax Return, Extension, Amendment Deadlines

Detailed current and future Federal or IRS Income Tax Deadlines

April 15, 2026

2022 Hawaii Income Tax Return Refund

The last day to file and claim your 2022 Hawaii Income Tax Return. This deadline does not apply if you owe Income Taxes. After that date your 2022 tax refund will expire. See details on expires refunds.

April 15, 2027

2023 Hawaii Income Tax Return Refund

The last day to file and claim your 2023 Hawaii Income Tax Return. This deadline does not apply if you owe Income Taxes. After that date your 2023 tax refund will expire. See details on expires refunds.

April 15, 2028

2024 Hawaii Income Tax Return Refund

The last day to file and claim your 2024 Hawaii Income Tax Return. This deadline does not apply if you owe Income Taxes. After that date your 2024 tax refund will expire. See details on expires refunds.

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