Where are waste pipes located in a house?

Waste pipes in a house are typically located in areas where Plumbing fixtures are installed, such as kitchens, bathrooms, and laundry rooms. They run vertically and horizontally within walls, floors, and ceilings to transport wastewater from sinks, toilets, and appliances to the sewer system or septic tank. Additionally, waste pipes are often found in basements or crawl spaces, where they connect to the main sewer line. Proper placement ensures efficient drainage and minimizes the risk of clogs or leaks.