Tontz Construction at 118 B Avenue in Coronado, 92118, provides home remodeling, renovations, room additions, and custom construction for residential properties. Licensed craftsmanship with attention to coastal building standards and Coronado's architectural character, which ranges from early 1900s Craftsman bungalows documented by the Coronado Historical Association to modern custom builds. Free estimates available. For design-build projects that need architectural vision and construction execution under one contract, Nicolls Design Build at 1001 B Avenue handles the full scope.