Celebrating 21 Years of
Service Above the Standard

What Our Clients Say

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.

Cedar Park Assembly of God

LDC is a vital, integral advocate of our business. I depend upon LDC for their professional, contemporary, and extremely innovative project leadership.

Taylor Development, Inc.

Our experience with LDC has been they are responsive, knowledgeable, and their plans impeccable. It is always bonus to a project when LDC is the engineering consultant. LDC understands big picture management.

CC Edwards

The City has had the pleasure over the past several years to work with LDC, Inc. on several projects related to the implementation of the Lake Stevens Downtown plan. Their works been exceptional and attention to detail second to none. These projects include the renovation of North Cove Park, creation of a festival building named The Mill and the design of a festival street named Mill Spur. Each of these projects have been a critical piece of economic development in the downtown area and it’s because of our partnership with LDC, these projects have been an overwhelming success. LDC is highly recommended for your next project.

City of Lake Stevens

LDC has been providing us with on-call planning assistance during a difficult transition. They provide excellent service and have been able to help us navigate complex planning issues and manage busy permit workload.

Walla Walla County

LDC helped the City complete a unique code project by coordinating with city staff and a student intern. The work produced was high quality, was completed on time, and communication throughout the process was excellent.

City of Sultan

The LDC project team displayed a high level of professionalism, dedication, and commitment to produce a quality and timely design of the federally funded Central Way Preservation project. Darrell Smith has extensive experience in transportation and pavement projects. He is resourceful and responsive. It was a pleasure to work with him on this project.

City of Kirkland

Service Above the Standard

At LDC you will find professionals who exemplify "Service ABOVE the Standard," a business philosophy that constantly drives us to deliver quality work in an efficient and innovative manner that exceeds our clients’ expectations. From our offices in Woodinville (HQ), Olympia, Tacoma, Kent, and Tukwila, Washington, LDC provides a broad spectrum of services in the areas of civil engineering, land surveying, land use planning, architectural design, and telecom design services to a growing number of satisfied clients across the Pacific Northwest region and around the country. Established in 2003, LDC is licensed in Washington and many other western states. We invite you to learn more about our culture and our portfolio of projects.

Join
Our Team

As a growing engineering firm, we seek dedicated people to join our team. We value high-performance, integrity, responsibility, quality, creativity, and teamwork. We also value connection and support a workplace where our team members succeed and thrive.

From the LDC Blog

As an engineering industry leader, we have the reputation for completing your projects effectively and efficiently. As a firm focused on making a difference, we also engage and are involved with the communities where our projects are located. Learn more about our multidisciplinary expertise and how we give back. Subscribe to our newsletter below to receive updates from the blog, bringing relevant industry and LDC news to your inbox.