J Hanna Engineering provides complete structural design and engineering support for custom homes, accessory dwelling units (ADUs), additions, remodels, mixed-use developments, commercial buildings, industrial facilities, and specialty structures. Capabilities include structural analysis and calculations; wood, steel, reinforced-concrete, and masonry design; foundation and retaining-wall systems; gravity and lateral-force-resisting systems; equipment and pipe supports; permit drawings; plan-check responses; multidisciplinary coordination; and construction-phase engineering support.