Revit BIM rendering of a two-story commercial building with mechanical equipment on the roof.

Licensed MEP Engineering for Commercial Construction

MDR Engineering, PLCC is a licensed mechanical, electrical, and plumbing (MEP) engineering firm based in Arlington, WA, serving the Greater Puget Sound region and beyond. With over 30 years of experience in commercial building design, we provide full-service MEP design and consulting with the direct accountability of a small practice. We work in both AutoCAD and Revit to fit seamlessly into your existing project workflow as well as to offer cutting edge Building Information Modeling (BIM) support. Licensed in Washington, California, and Arizona, with a strong preference for local Pacific Northwest projects.

Tall evergreen trees in a mountainous forest with cloudy sky and distant mountain peaks

MEP Design for Commercial Buildings

Full mechanical, electrical, and plumbing design for commercial construction, tenant improvements, and renovation projects. Permit-ready construction documents delivered in AutoCAD or Revit.

Expert Investigation of MEP Systems

Independent technical assessment of existing mechanical, electrical, and plumbing systems. Useful for due diligence, troubleshooting, disputes, or pre-renovation evaluation.

Arc Flash Labels

NFPA 70E-compliant arc flash hazard analysis and labeling for commercial electrical equipment, helping facilities meet safety code requirements and protect personnel.

Work With a Licensed PE on Your Next Commercial Project

MDR Engineering, PLLC works directly with architects, contractors, and building owners throughout Western Washington and the Greater Puget Sound area. Based in Arlington, WA and licensed in Washington, California, and Arizona. Reach out to discuss your project scope and what you need from an experienced MEP engineer.