After briefly working for a prominent law firm in Hartford, Connecticut, House served as a local prosecutor and deputy judge in Manchester."Judge House Is Named To State's Highest Court", Hartford Courant (May 2, 1965), p. 30A. He was elected to represent Manchester the Connecticut House of Representatives in 1941, and to two terms in the Connecticut State Senate, beginning in 1947, serving as Republican minority leader from 1949 to 1951. He chaired the town's Board of Education from 1942 to 1953, and from 1951 to 1953 he served as a legal adviser to Governor John Davis Lodge.
