Lush demolished a collapsing retaining wall that was dangerous and rebuilt a stronger long lasting one. Our clients were very happy with the new structure and loved the attention to detail our contractors provided. At Lush we are Expert Retaining Wall Contractors. For a permanent wall structure, the general lifespan is generally between 50 and 100 years. Retaining walls are structures are designed to restrain soil to a slope that it would not naturally keep to. They will add curb appeal to your home as well as added privacy. Call us today to get a free quote 1-310-773-4967.