Big Island Rock Walls & Masonry is a trusted masonry contractor in Hilo, Hawaii, specializing in custom lava rock walls and masonry construction. We manage every step of the process, from selecting quality rock and preparing the site to construction and the final mortar cap. Our handmade lava rock walls are designed for durability, beauty, and a unique look that fits your property, budget, and specifications. We build retaining walls, property-line walls, lava rock driveway entrances, and gate columns. Our services also include CMU block construction, foundations, stone veneers, outdoor kitchens, masonry repairs, and concrete driveways, patios, lanais, walkways, and sidewalks.