Sierra Headquarters
        
          Project Description
          Sierra Constructions new headquarters in Woodinville, WA was completed in the summer of 2019. The site’s steep grade allowed the building to be built into the hillside, utilizing a daylight-basement style 28 stall parking garage topped with a 13,250 square foot single story office space. The building features board-formed concrete walls, exposed wood joist and hybrid truss roof structure, exposed structural steel and aluminum storefront. Site landscaping includes gabion retaining walls and green screens around the parking structure. A 30’ high soil nail wall was also built to retain the hillside above the additional 21 stall surface parking lot.
        
        
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Project Description
Sierra Constructions new headquarters in Woodinville, WA was completed in the summer of 2019. The site’s steep grade allowed the building to be built into the hillside, utilizing a daylight-basement style 28 stall parking garage topped with a 13,250 square foot single story office space. The building features board-formed concrete walls, exposed wood joist and hybrid truss roof structure, exposed structural steel and aluminum storefront. Site landscaping includes gabion retaining walls and green screens around the parking structure. A 30’ high soil nail wall was also built to retain the hillside above the additional 21 stall surface parking lot.
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Project Details
Location
Woodinville, WA
  Owner
Sierra Construction
  Architect
SynThesis
  Size
13,250
  Completed
2019