APC Engineers mission is to provide consistent and innovative engineering services to our Public and Private Sector clients with integrity, technical excellence, and dedication from our team to the success of every project.


  • Preliminary Site Evaluations
  • Feasibility and Economic Studies
  • Building Construction and Infrastructure Planning
  • Preparation of Environmental Checklists and Impact Statements
  • Site Layout
  • Design Studies
  • Alternatives Analysis
  • Permitting and Schedule Management
  • Complete Project Management, Including Construction Inspection


  • Preparation of Residential, Commercial, and Industrial Site Layouts
  • Design of Storm Sewer, Sanitary Sewer, and Water Systems
  • Design of Local and Arterial Street Systems and Multi-Modal Transportation
  • Preparation of Drainage Studies and Stormwater Management Designs
  • Group A and Group B Water System Design, Analysis, and Long-Term Planning
  • Mining and Reclamation Plans
  • Topographic Studies and Grading Plans
  • Fire Pumps and Fire Main Extensions
  • Stream and Culvert Restoration
  • Water System Plans
  • Pavement Testing and Life-cycle Analysis
  • Construction Monitoring and Inspection

Our goal is to maintain the highest quality standards for technical excellence, innovation, and creative design solutions to bring the best value to our clients.  Working primarily in Whatcom, Skagit, and Island County and surrounding communities in Northwest Washington, APC Engineers continues to serve our public and private sector clients with over 50 years of combined experience.