Double-D Engineering

Double-D Engineering is a San Francisco–based structural engineering firm that provides services across a wide range of project types including residential additions, new residential construction, mixed-use and mid-size commercial buildings, seismic upgrades, indoor climbing structures, restaurants, garages, and art projects. Double-D Engineering focuses on building long-term client relationships through clear communication and coordination, practical and cost-effective design solutions, competitive fees, and reliable project delivery that aims to complete work on time and under budget.