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, our first office was located on N. Oregon Street, which we occupied until 1985. We had several office locations in Ontario Oregon, one on Sunset Drive, another on SE 1st Street, in 2007 we relocated to our current building, located at 368 SW 5th Avenue. Ontario is our billings office and 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 1975, originally located in the Reclamation Building and later in Umatilla, Oregon until 2011 when CK3, LLC moved into our current 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.
Our Mission
CK3, LLC is a Professional Engineering & Surveying Firm providing Civil, Structural, Electrical Engineering and Surveying Services. We have provided services to clients across the Northwest since 1972. We strive for client satisfaction and by continuing our education we stay up to date on the most current standards, which allows us to provide the highest quality of work to our clients.
Services Provided
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