Mechanical Construction, Engineering & Service


Office buildings – from the landmark high-rise to the corporate campus – have long been a hallmark of Hermanson Company’s portfolio. We emphasize office mechanical systems that meet unique building requirements with cost effective design and construction methodologies. Our goal is to find the best fit for each client.

4th & Madison Office Tower

Seattle, Washington

Hermanson Company was responsible for full mechanical construction for this 40-story, 850,000 s.f. high rise in downtown Seattle. The project site was extremely tight, necessitating extensive planning and coordination of... Read More »

112th @ 12th

Bellevue, Washington

Hermanson provided full mechanical, shell & core construction services for this new office complex. Developed by Hines, the three building complex includes four levels of parking under the entire site... Read More »

500 Yale

Seattle, Washington

As an early participant in the design and development process for this new office building with ground floor retail and below-grade parking for 140 vehicles, Hermanson worked closely with the... Read More »

Republican Building

Seattle Washington

Hermanson completed Design-Build mechanical construction services for this new, 90,000 s.f. office structure in the South Lake Union area.  The building includes five floors of high-tech office space and three... Read More »

Tower 333

Bellevue, Washington

Hermanson Company recently completed HVAC / Mechanical(Sheet Metal & Piping) construction for this new, 20-story office building with below grade parking, a total of 410,000 s.f. high rise in downtown... Read More »