Founded in Monroe, WA, P4 Construction, LLC has built a reputation for delivering high-quality drainage, waterproofing, and concrete services that stand the test of time. Our team brings a combination of technical expertise, hands-on experience, and personalized service to every project, ensuring that we meet our clients’ unique needs.

Whether it’s resolving yard drainage issues, protecting basements from water intrusion, or removing and replacing concrete, we approach each job with a focus on durability, efficiency, and customer satisfaction.