Ryan Joyce Structural Design is a Woman-Owned San Francisco Local Business Enterprise (LBE-WBE) and a certified small business, whose partners have over 45 years of combined experience providing consulting structural engineering services in the San Francisco Bay Area. RJSD specializes in structural design of new buildings and seismic retrofits of existing ones. We focus on doing great structural design work, producing clear and thorough documents, and providing exceptional service to our clients.