01.Maine has a state estate tax — exemption ~$6.8M, well below federal.
Maine is one of 12 states (plus DC) with a state estate tax. The Maine estate-tax exemption for 2025 is approximately $6.8M, roughly half the federal level. Estates above this threshold face Maine rates from 8% to 12%. The combined federal-plus-state planning conversation matters more here than in most states.