ABOVE The Standard.
Welcome to LDC, Inc., a Commercial – Infrastructure – Residential civil engineering, structural engineering, land surveying, and land use planning consulting company.
LDC considers clients’ needs its top priority. At LDC, quality is our passion. We operate with a high level of efficiency while continually developing innovative solutions in the civil engineering consulting field. LDC not only meets, but exceeds our clients’ expectations for every project, large or small. Regarding design concepts and planning support, LDC continues to exemplify Engineering ABOVE the Standard. It is this business philosophy that enables LDC to build and maintain client relationships across the Northwest.
We are an established, high volume firm located in Woodinville, WA. Licensed in four states (WA, OR, ID, and NV) we invite you to explore our work and get to know our team of experienced civil engineering and land surveying professionals.