One Way Plumbing LLC

One Way Plumbing Services

Delivering Quality Design-Build Plumbing Systems

One Way Plumbing based in Kirkland Washington is a specialized design build plumbing contractor. Most of our work has been for multi-family residential apartment and mixed-use commercial building projects. Our plumbing design and management team have been working together for over 30 years and know how to get the job done right.

We are active members of IAPMO (International Association of Plumbing and Mechanical Officers). IAPMO protects the public’s health and safety by working in concert with government and industry to implement comprehensive plumbing and mechanical systems. We are also current members of the Master Builders Association of King and Snohomish Counties.