HI risk area
Tax exposure in Hawaii
State estate or inheritance tax rules and how they interact with federal thresholds.
Hawaii imposes an estate tax with a $5,490,000 exclusion amount and generally conforms to the federal estate tax structure.
Does the state impose an estate or inheritance tax?Who is exempt or receives preferential treatment?How does federal tax interact with state rules?
At a glance
Key takeaways
- Hawaii estate tax applies to estates of residents and Hawaii-situs property of nonresidents.
- The Hawaii exclusion amount is $5,490,000 (statutory exception to full IRC conformity).
- The state return is required when a federal estate tax return is required and state tax is due.
- State estate tax thresholds are separate from the federal exemption and can be lower; confirm current exclusion and filing requirements.
Questions to consider
Questions this risk area helps you evaluate in Hawaii
- Does the state impose an estate or inheritance tax?
- Who is exempt or receives preferential treatment?
- How does federal tax interact with state rules?
State overview
Hawaii imposes an estate tax with a $5,490,000 exclusion amount and generally conforms to the federal estate tax structure.
- Hawaii estate tax applies to estates of residents and Hawaii-situs property of nonresidents.
- The Hawaii exclusion amount is $5,490,000 (statutory exception to full IRC conformity).
- The state return is required when a federal estate tax return is required and state tax is due.
- State estate tax thresholds are separate from the federal exemption and can be lower; confirm current exclusion and filing requirements.
Sources
- https://files.hawaii.gov/tax/forms/current/m6a_i.pdf
- https://taxfoundation.org/data/all/state/estate-inheritance-taxes/
Risk sources
- IRS inflation adjustments for tax year 2026
Use for the current federal estate tax basic exclusion amount.
- IRS Instructions for Form 706 (United States Estate Tax Return)
Defines filing requirements and federal estate tax framework.
- Tax Foundation - State estate and inheritance taxes
Current list of states with estate or inheritance taxes.
National sources provide baseline context; state statutes and court rules control in Hawaii.