Williams Lake Site, Cheney, WA

From challenging conditions to interesting places, Duncanson Company works on a broad spectrum of projects.

We provide land use planning, surveying and engineering services for a variety of projects. Duncanson Company’s involvement includes preliminary site investigation & feasibility assessment through project construction and close out. Our clients include builders/developers, homeowners, commercial land owners, architects and government agencies. With our depth of experience, we can assist you with all of your project needs.

Site Development

  • Complete Subdivision, Survey, Planning and Design
  • Commercial Site Engineering
  • Municipal Road, Sidewalk & Drainage
  • Grading, Paving and Drainage Design
  • Erosion Control Design (Storm Water Pollution Prevention Plan)
  • Drainage & Hydraulic Analysis and Reports
  • Detention, Biofiltration & Wetpond Design
  • Low Impact Development
  • Water Supply and Distribution Design
  • Sewage Collection and Pumping Design
  • CESCL Services

  • Boundary Surveys
  • ALTA Surveys
  • Topographic Surveys
  • GIS Data Acquisition
  • Boundary Line Adjustments
  • Control Networks
  • Construction Staking
  • Base Mapping for Architectural Design
  • Tree and Wetland Location Mapping

Feasibility Assessments

  • Water and Sewer Availability
  • Zoning Constraints
  • Environmental (sensitive areas) Constraints
Land Planning

  • Short Plats
  • Subdivisions
  • Comprehensive Planning
  • Planned Unit Developments
  • Rezones and Conditional Use Permits


The “12th” Surveyor, CenturyLink Field, WA


Paul Nelson, Party Chief