About MJ Plumbing With over 20+ years of plumbing experience serving the Greater Houston area, MJ Plumbing is your solution for all your plumbing needs. We provide drain cleaning services, water heater installation (gas, electric, tankless), water line repipe (CPVC, PEX, Copper), water, sewage, and gas line repairs and reroutes, gas tests, mobile home plumbing hookup, and other plumbing services, repairs, and installations. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Satisfaction guaranteed!