Samaniego Landscape Design LLC br Mantua Township, NJ, 08051 br (856) 381-7715 br br We are a Mantua, NJ based landscape design company and we can give you exactly what you have always dreamed to do to your property. Whether it's custom landscaping, creating spaces for entertaining, or just relaxing, we can do what is right for you and your budget. Samaniego Landscape Design, LLC has a keen eye for design with architectural and landscape design experience and education from Drexel University.