MacDonald-Miller Facility Solutions

MacDonald-Miller Facility Solutions operates as a Seattle-based mechanical contractor holding a 5.0 average rating from 4 client reviews. The firm maintains standard weekday operations across the Puget Sound region, with offices serving the greater Seattle metropolitan area including Bellevue and Redmond. Specializing in commercial and mixed-use construction, the company delivers integrated building systems across healthcare, government, education, life sciences, industrial, and data center markets.

What distinguishes MacDonald-Miller from regional mechanical contractors is their fully in-house capability spanning design, preconstruction, fabrication, and ongoing service. Their 24-hour emergency line at 1-800-962-5979 ensures clients receive support beyond standard business hours. The firm employs BIM (Building Information Modeling) for design-assist delivery Method, enabling coordination before physical construction begins. Projects portfolio highlights include the T-Mobile Headquarters in Bellevue, Providence Swedish North Tower in Seattle, and Whatcom Village in Redmond, demonstrating depth across specialized commercial sectors.