The leadership of LDC has always exemplified integrity. Their team’s contribution to our projects have exceeded expectation. We consider them as critical members of our consulting team for Cedar Park’s future growth.

Dr. Joseph Fuiten
Cedar Park Assembly of God

LDC is a civil engineering, structural engineering, land surveying, and telecommunications A/E firm located in Woodinville, Washington.  As a turn-key engineering firm we provide creative and inclusive solutions to engineering and surveying needs for public and private clients throughout the Pacific Northwest.


  • Civil Engineering
  • Structural Engineering
  • Land Surveying
  • Telecommunications

Satisfied Clients:

  • City of Seattle Public Utilities
  • AT&T
  • Verizon
  • Clearwire
  • Bank of America
  • Safeway
  • DR Horton
  • Pope Resources

Service Area

We currently employ professionals licensed in Washington, Oregon, Idaho, California, Nevada, Alaska, and North Dakota.