Around New England · Taxes For Subscribers Maine Governor Proposes Flat Tax By Matt McDonald January 8, 2017 · 7:03 AM EST · Updated June 16, 2025 1:21 PM Advertisement Governor Paul LePage's proposed budget would change Maine's current graduated income tax to a flat tax by 2020. Read More Governor Paul LePage's proposed budget would change Maine's current graduated income tax to a flat tax by 2020. Read More… Advertisement