Cornerstone Decks and Additions

We are custom design-build contractors with over thirty-five years of hands-on experience, building in the Raleigh/Durham, NC Area since 1993. We're a One-Stop-Shop for Custom Additions! We specialize in creating one-of-a-kind Decks, Screen Rooms, 3-Season Rooms, Porches, Pergolas, and Arbors. From Plan to Permit to Finished Product, we are with you every step of the way. We help you put together a comprehensive plan, process, and strategy to achieve your goal. We will guiding you through the whole process of making your vision a reality. You'll be able to use your new Deck, Screen room, Porch, and Three-Season Room addition throughout the year!