When were indoor bathrooms built in America?

Answer 1

Indoor bathrooms began to gain popularity in America in the late 19th century, particularly after the introduction of indoor Plumbing. The widespread adoption of indoor bathrooms occurred in the early 20th century, around the 1920s, as modern plumbing systems became more common in homes. By the mid-20th century, most American homes were equipped with indoor bathrooms, marking a significant shift in residential design and hygiene practices.