Contact us today.

As a minority owned business, LDC, Inc. upholds a solid reputation for integrity, quality, and excellence in service to a long roster of satisfied clients. We welcome new introductions and aim to build relationships in the Seattle and surrounding areas.



LDC, Inc. is growing! We are pleased to announce that we moved to our new office location Monday, November 7, 2016.

Our New Contact Information is:
20210 142nd Avenue NE
Woodinville, WA 98072

ABOVE The Standard.

Welcome to Land Development Consultants, Inc. (LDC, Inc.), a Commercial – Infrastructure – Residential civil engineering, structural engineering, land surveying, and land use planning consulting company.

LDC, Inc. considers clients' needs its top priority. At LDC, Inc., quality is our passion. We operate with a high level of efficiency while continually developing innovative solutions in the civil engineering consulting field. LDC, Inc. not only meets, but exceeds our clients' expectations for every project, large or small. Regarding design concepts and planning support, LDC, Inc. continues to exemplify Engineering ABOVE the Standard. It is this business philosophy that enables LDC, Inc. 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.

The Focus of LDC, Inc. ™

  • Civil Engineering
  • Structural Engineering
  • Land Surveying
  • Geomatic Services (GIS Mapping, Aerial, Data Analysis)
  • Land Use Planning
  • Entitlement and Land Development Feasibility
  • Small Site Drainage (Reporting, Engineering, Permitting)
  • Telecom Design Services
  • Project Management Services

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


Kevin O'Brien
Taylor Development, Inc.