He served as a member of the Legislative Assembly of Alberta from 1952 to 1971 sitting with the Social Credit caucus in government.
During the 1960s, his sister, Olive Stickney (Fimrite), was the first and for eight years the only, woman to be elected as councillor of a rural municipality.
[2] Fimrite ran for a seat for the first time in the 1952 Alberta general election as a Social Credit candidate.
He won the electoral district of Spirit River in a hotly contested race on vote transfers to hold it for the Social Credit party.
[4] Fimrite increased his majority running for his third term in office in the 1959 Alberta general election.