Licensed Mechanical, Electrical & Plumbing Engineering in Arlington, WA
MDR Engineering provides professional MEP engineering design services for residential and commercial construction throughout the Greater Puget Sound region. Based in Arlington, WA and backed by 20+ years of experience, we deliver accurate, permit-ready drawings and practical engineering solutions — without the overhead of a large firm. Whether you're a homeowner, contractor, or architect, you get a licensed PE who knows the work and gets it done right.
Local Expertise. Licensed Engineering. No Runaround.
MDR Engineering is a solo PE practice based in Arlington, Washington, serving Snohomish County and the broader Western Washington area. With over two decades of hands-on experience in mechanical, electrical, and plumbing design, MDR Engineering brings big-firm knowledge to local projects — with the responsiveness and accountability that only a single-owner practice can offer. From ADUs in Marysville to commercial tenant improvements in Everett, every project gets the engineer's direct attention from start to finish.
MEP Engineering Design for Residential & Commercial Projects
MDR Engineering handles mechanical, electrical, and plumbing engineering design for a wide range of construction projects across Western Washington. Services include HVAC system design, electrical load calculations and panel schedules, plumbing system layouts, and permit-ready construction documents. Specialties include commercial tenant improvements, ADUs, remodels, and renovation projects. Whether you need one discipline or all three, MDR Engineering delivers coordinated, code-compliant designs that move your project forward.
Get Engineering Support for Your Next Project in Snohomish County or Beyond
Ready to get started? MDR Engineering works directly with homeowners, general contractors, and design professionals across the Greater Puget Sound area. Reach out to discuss your project scope, timeline, and what you need from an MEP engineer. Based in Arlington, WA — serving Western Washington.