The cost to clean a drain depends on the type of clog, and where it is located. The average plumber clogged drain cost is $99 to $249 to clear a blocked bathtub, kitchen sink, or bathroom shower drain. Sewer drain cleaning that requires a camera will cost $99 for inspection, and $149-$399 depending upon the location of the clog in the drain. Toilet clogs average $250 for Arlington drain cleaning.