Ensuring quality workmanship from a deck builder involves several proactive steps. Start by thoroughly vetting potential builders through references, reviews, and credential checks. During the planning stage, insist on a detailed contract that outlines all aspects of the project, including materials, timelines, and payment schedules. Clear communication throughout the project is essential; maintain regular contact with the builder to address any concerns or changes promptly. Additionally, consider requesting progress reports and photographs to monitor the work’s progress. A reputable builder should also offer a warranty or guarantee on their work, providing peace of mind that any issues will be addressed after completion.