The race for the U.S. House seat in District 3 — a longtime Democratic stronghold — has been relatively quiet, but the Republican challenger said he hopes his conservative values are right for residents.

Thomas E. “Pinkston” Harris, 56, of Baltimore City, won the Republican primary in February with about 39 percent of the vote and faces incumbent U.S. Rep. John Sarbanes, 47, who’s been in office since 2007.