Serving the Greater Northwest since 1972

Welcome! CK3, LLC is a Professional Engineering, Surveying and Planning firm specializing in Civil, Structural and Electrical Engineering, Boundary, Construction and GPS Surveying, and Land Development Planning, serving the greater Northwest since 1972 with two offices located in Ontario and Hermiston, Oregon.
Our Ontario Office
Ontario Office

368 SW 5th Avenue
Ontario, OR 97914

Our Ontario office was established in 1972, where our very first office was located at 34 N. Oregon Street, which we occupied until 1985. We then moved to 768 Sunset Drive and in 1997, we relocated to 156 SE 1st Street in Ontario. In 2007, our current building was purchased, remodeled and located at 368 SW 5th Avenue. We can be reached at (541) 889-5411.
Our Hermiston Office

Hermiston Office

945 W. Orchard Avenue
Hermiston, OR 97838

Our Hermiston office was established in 1987 and was located at 82077 Hwy 395 N., in Umatilla, Oregon. In 2011 CK3, LLC purchased, remodeled and moved into our new location at: 945 W. Orchard Avenue in Hermiston Oregon. The building was locally known as the Orchard Pharmacy. We can be reached at (541) 567-2345.
Services Provided
CK3, LLC has been involved in numerous projects that have taken us all over the Eastern Oregon/Western Idaho region. We have also served clients in Alaska, Washington, California, Nevada, Arizona, as well as Nebraska, Iowa, Minnesota, Colorado, Wisconsin and Maine. We have also been involved with International projects providing structural engineering services for a airport hanger in Uganda, Africa. All Professional Engineering and Surveying Services offered by CK3 will be performed under the responsible charge of the licensee holding the proper license in the appropriate State.
Civil Engineering
  • Storm drainage system design
  • Detention pond design
  • Sedimentation pond design
  • Inlet/Outlet structures
  • Hydrology/Hydraulic modeling
  • Water surface profile modeling
  • Detention/retention for facilities
  • Hydraulic structures design
  • Storm water studies
  • Pump station design
  • Determining flows and frequency
  • Site Design
  • Construction Administration
  • Wetland Design
Electrical Engineering
  • Power distribution plans and specifications(single and three phase)
  • AC power factor and harmonics analysis
  • Audio system design
  • Process control and monitoring design
  • Lighting design and layout
  • Power failure and fault analysis
  • Data cabling design and layout
Structural Engineering
  • 2D/3D - Finite element analysis
  • Concrete/Masonry design
  • Foundation design and inspections
  • Historical Renovations
  • Steel design
  • Timber design
  • Structural analysis and design
  • Construction Administration
  • Topographic Surveys for Design
  • A.L.T.A. Surveys
  • Property Rights/Boundary Dispute Resolutions
  • Layout and Platting of Subdivisions
  • Construction Surveys
  • Property Surveys
  • Bathymetric Surveys
  • Cadastral Surveys
  • G.P.S. Surveys, Static and RTK
  • Power Line Surveys
  • Flood Plain Certificates
  • G.I.S. Data Collection