Plumber, Plumbing, Plumbing Supplies, Tankless Water Heater, Water Heater Greenwall Plumbing was established in the 1950's to serve San Clemente and the surrounding south Orange county communities. Today, Greenwall not only specializes in plumbing, but also heating and air conditioning. Greenwall is dedicated to providing quality service at competitive rates. Besides being bonded, licensed and insured, all of our technicians are highly trained and committed to delivering efficient and personalized customer service. Hours: 24 HOUR SERVICE Payment: Cash, Personal Check read full review »