But in 2026, several changes to existing laws could end up costing people in the state more money. Here are 5 law changes in Maine that may cost you a little more money next year. Tobacco Tax in Maine Set to IncreaseFor the first time in about two decades, Maine will have an increase on its tobacco tax. Adult-Use Cannabis Tax IncreaseStarting on January 1, 2026, there will be a marginal increase on adult-use cannabis products in Maine. Whether you’veor are only, these are the things you’ll learn fast when settling into life in Maine Gallery Credit: Jordan Verge