Robert’s Complete Care has a proven track record of providing creative, high-quality gardening services , patio cover can enhance your outdoor living experience and increase the amount of time you spend outside. For any major outdoor structure, you’ll want to work with a professional, like an architect or landscape architect, to make sure your building complies with city codes and is engineered correctly. Other considerations before planning, designing, and building a patio cover include: in the Whittier, CA area.