Here at HDA we understand that purchasing and owning a house is one of the biggest investments that you will ever make. It is not just a house it is your home. We are here to help protect your investment. HDA is a full service consulting engineering firm that provides solutions for any sized project, so no project is too big or too small. We provide civil, structural, forensic and construction related solutions for your home from your foundation, basement, building envelope, framing, attic, roof, property and everything in between. Some of the services we provide are: