P4 Construction LLC gives you the top-quality drainage services that you deserve. For more information about our services and pricing please feel free to call us. We serve in Monroe, WA, Woods Creek WA; Martha Lake WA; Bothell East WA; Snohomish WA; Duvall WA; and the surrounding areas. Drainage Service, Drainage Contractor, Yard Swale Drainage, Basement Wall Waterproofing, Foundation Wall Waterproofing Professional Drainage, Reliable Drainage, Affordable Drainage, Quality Drainage, Trusted Drainage