Dixmont, Etna, Newport, Plymouth, and Corinna
Rep. Costain graduated from Old Town High School before joining the Maine Air National Guard. He graduated from the Maine Criminal Justice Academy and worked as a police officer for more than 30 years.
He serves as the Chairman of Sebasticook Valley Federal Credit Union and is a member of the Free and Accepted Masons, Director Of Anah Shrine, and serves on the Board of Directors of the New England Belted Galloway Group.
He and his wife Lanci have been married for 23 years and own several small businesses in Newport. They have two children and four granddaughters.
In his spare time, he works with the kids of the Penobscot 4-H Livestock Group.
Congratulatory letters, Legislative Sentiments, flags flown over the Capitol, assistance with state departments, general comments or questions about legislative matters.
Mail: 2 State House Station, Augusta, ME 04330
Legislative Office: (207) 287-1440