BTL  Engineering, P.S. is a consulting structural engineering firm founded in 2001 . Our energetic staff is led by partners Brian Lampe and Eric Dann. Together they bring over 40 years of experience of structural engineering design. BTL Engineering provides structural analysis, design and construction services for residential, commercial, industrial, educational and recreational buildings. We are proficient in all combinations of wood, steel, masonry and concrete.  We are proud to offer the design expertise that come with years of experience with the personal attention of a small firm. Our office is located in downtown Woodinville, Washington, home of over 130 wineries and tasting rooms and Molbak’s Garden Nursery.