Diamond Structures is a full scope structural concrete contractor operating in the Seattle and surrounding Puget Sound areas. We have decades of experience and knowledge in our field, and have worked on a wide scale of projects from mixed-use apartments to the more complicated mid-rise buildings, hotels and large scale retail warehouses. Diamond Structures does our job with extreme integrity, quality workmanship and productivity. We believe that there is strength in numbers, from our Project managers, Superintendents, Foreman, Carpenters, Estimators or office staff, the depth of support for our teams ensures the highest standard of customer service.  

We are a company that prides ourselves with a passion to perform combined with a foundation of ethical integrity. Diamond Structures builds outstanding concrete structures and solid relationships. A firm’s list of repeat clients is the best indicator of customer satisfaction. Concrete is built to last, at Diamond Structures, we feel the same way about our clients. These core values make Diamond Structures the best choice for your next project!



Bellevue Park Apartments IIBellevue Park Apartments II