Allan Trant's Exterior Finish Work is the NH Seacoast's leading contractor for custom outdoor spaces and major home expansions. We specialize in superior quality, low-maintenance composite decks, railings, and porches, alongside full outdoor living structures including kitchens and pergolas. We also handle high-ticket home additions (ADUs, Basement Finishing/FROG) to grow your property value. Founded on integrity and decades of experience, we guarantee meticulous craftsmanship and secure all building permits for a worry-free process.