Capitol Development Design Inc.

Engineers - Planners - Surveyors


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About Capitol Development Design, Inc.

Capitol Development Design, Inc. (CDDI) is headquartered in Beltsville, MD, and was founded in 1994 by President/CEO Victor Chen, P.E. He was later joined by three partners: Gary R. Butson, A.L.S.A., Stephen O. Coleman, L.S., and Massoud Towhidi, P.E. CDDI provides a wide variety of services including Civil Engineering, Land Planning, Landscape Architecture, Surveying, Construction Management, Field Inspection, and Reprographics.

Our mission at CDDI is to provide the highest quality and most cost effective engineering, surveying, land planning, and testing services to our clients, while assuring promptness and efficiency on all projects.

CDDI prides itself in client satisfaction. Our project management structure is organized to insure that a project manager is assigned to the project from its inception through completion. CDDI utilizes strict quality control on every project to expedite approvals. Clients benefit from dealing with one individual who is responsible for overseeing the project in all phases and can keep them informed. Our satisfied clients bring us consistent repeat business and are helping our new client base to grow by their referrals.

For more than a decade, CDDI has provided its clients with cost saving technical solutions regardless of terrain, soil type, drainage, or other challenges. CDDI clients receive sustainable, effective and efficient engineering solutions to meet governmental requirements for revitalization of our communities. CDDI provides complete Land Development Design services, from feasibility analysis through final inspections. We provide quality Civil Engineering Design, Land Planning, Storm water Management, Landscape Design, Water, Sewer, Utility Design and Permitting services.

Furthermore, CDDI surveyors are trained in the latest equipment including; 3D laser scanners (Terrestrial Lidar), Robotic Total Stations with Electronic Data Collection, Global Positioning Systems and Digital Leveling. These are supported by state-of-the-art surveying software. Our surveyors attend regular classes and seminars to stay current.

CDDI is a certified Minority Business Enterprise (MBE) with the Federal Small Business Administration 8 (a) program, the Maryland Department of Transportation and the Virginia Department of Transportation.

CDDI currently offers services falling under NAISC Codes:

541330 - Engineering Services
541370 - Surveying and Mapping
541320 - Landscape Architectural Services
561439 - Reprographic services
323110 - Printing
541340 - Drafting Services
541350 - Building Inspection Services
541380 - Geotechnical testing laboratories
541380 - Soil testing laboratories
541620 - Environmental Consulting Services