Holding CSLB license #631583 since 1991, Delphi Construction specializes in deck building, repair, and waterproofing from 1106 Second Street in Encinitas's Old Encinitas district, with over three decades of documented San Diego project history. Waterproofing applications use polyurethane coatings, vinyl membranes, and cementitious systems matched to the substrate — plywood or concrete — protecting the living space below from moisture intrusion that can compromise roof structures serviced by firms like Rancho Roofing. New deck construction includes custom glass-railing systems, LED under-deck lighting, and composite or hardwood decking installed to manufacturer span and fastener specifications. Disabled-accessibility modifications, tile work, and general remodeling round out the service menu, a full-scope capability that pairs with the post-construction detail cleaning provided by Silver Olas. Highest-demand projects include second-story balcony tear-offs and rebuilds requiring structural ledger-board replacement, flashing integration into the building envelope, and waterproof membrane installation rated for 20-year moisture-barrier performance.