Welcome to Dennis' Seven Dees Landscaping, Inc., a professional, friendly and reliable Architectural & Engineering Services in Portland dedicated to providing high quality Architectural & Engineering Services for commercial and domestic clients throughout Oregon. The Dennis' Seven Dees Landscaping, Inc. offers professional workmanship, competitive prices and high quality service delivered on time and within budget. Dennis' Seven Dees Landscaping, Inc., which is located at Portland,Oregon, was set-up in 1977.