Corporate Income Tax
Maine imposes an income tax on all entities organized as corporations (except S corporations) and that have Maine-source income. The corporate income tax is graduated, with rates ranging from 3.5% (for income up to $25,000) to 8.93% (for income in excess of $250,000).
Current Year (2012) Forms
These are forms due in 2013 for income earned in 2012.
P.O. Box 1060
Augusta, ME 04332-1060