Currently 18 states and the District of Columbia collect an estate tax at the state level. Delaware was the most recent state to enact an estate tax, effective July 1, 2009. Ohio has the lowest exemption at $338,333, and both Delaware and North Carolina have an exemption equal to the federal exemption of $3,500,000. Here is the list of jurisdictions that currently impose a state estate tax:
- Connecticut
- Delaware
- District of Columbia
- Illinois
- *Kansas
- Maine
- Maryland
- Massachusetts
- Minnesota
- New Jersey
- New York
- North Carolina
- Ohio
- *Oklahoma
- Oregon
- Rhode Island
- Tennessee
- Vermont
- Washington

