P4 Construction, LLC is a trusted contractor serving Monroe, WA, specializing in demolition, sump pump installation, concrete saw cutting and removal, and complete basement drainage systems. We handle downspout pipe installation and repair, crawlspace drainage, driveway channel drains, and yard drainage solutions. Our team also provides expert waterproofing of foundational walls and downspout drain pipe cleaning. Whether you're dealing with water issues or need concrete removed, P4 Construction, LLC delivers reliable, professional service. for drainage and waterproofing solutions in Monroe and surrounding areas.