Capstone Structures unites old school construction values with cutting edge technology & methods, focused on building integrity, safety and professionalism into all aspects of our business construction industry relationships. Capstone Structures core values include impeccable customer service, safety focused operations, quality craftsmanship, professionalism and absolute honesty.

We offer construction services covering all of Washington State. Our services include:

Underground utilities:
  • Pressurized domestic systems
  • Gravity drain systems
Site preparation and excavation:
  • Retrofit construction
  • As-built construction
  • New development
Concrete coring and cutting:
  • Concrete scanning
  • Concrete and asphalt demolition and removal
  • Flat sawing
  • Wall Sawing
  • Hand Sawing
  • Highway curb, gutter, and sidewalk
  • Structural foundations and walls

Strong Union Affiliation

Quality, Professional, Skilled Service

Safety Is Our Highest Priority

Extensive Experience with High Tech Clients

On-Site Project Management

Thank you for visiting Capstone Structures

Vacuum Excavation Truck Available For 24 Hour Services!