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Sandbox Excavating is a full-service excavation company serving clients in southern New Hampshire. We offer a variety of services, including excavation, septic, landscape clearing and construction, foundation repairs, koi ponds, and waterfalls. Our team, led by Mark MacDonald, is committed to customer satisfaction and meeting clients' excavation needs with flexibility, creativity, and quality work. We provide residential construction, stone walls, pool fill-ins, drainage and sewer repairs, foundation replacement, septic excavation, repair, and replacement, and more. Our goal is to help homeowners accomplish their excavation projects with thoroughness and dependability.