Mr Fix It Plumbing 4320 Atlantic Ave #230, Long Beach, CA 90807 (562) 988-2454 http://www.mrfixitplumbing.com/ Sewer backups create when one thing clogs the lines that drain water from your house. This could cause overflowing toilets or make h2o again up into your bathtub, dishwasher, or sink. Backed up sewer https://www.google.com/maps?cid=4067949459714107514