Environmental Construction offers complete landscape design/build for Seattle and surrounding communities Custom decks, outdoor kitchens, walkways and patios, water features, specialty lighting, rock walls and steps, fences, and specialty gardens where you can relax and unwind.We value our ecology and are committed to eco-friendly landscaping.Wehavebeeninbusiness,creatingbeautifulspacessince1990.We are here to assist with drainage and erosion control, yard maintenance and anything related to outdoor gardens.