About CD&C

Clear engineering.
A practical path forward.

CD&C provides site engineering for property owners and developers across New York and Connecticut.

Clients choose us for clear, practical engineering that keeps their project moving.

Illustrative stock engineering drawing with a scale ruler

From the site plan
to the engineering details.

Our engineering team prepares site plans, water and well systems, septic, sewer, drainage, grading, and subdivision designs, along with drawings, calculations, and Health Department reports.

Signed and sealed plans are provided by a licensed Professional Engineer we work with.

Explore Our Services

Where We Work

Local knowledge.
A wider reach.

We serve Rockland, Orange, and Sullivan Counties, along with projects throughout New York State—including Albany—and Connecticut.

For engineering review, we prepare the plans, reports, and calculations agencies require and revise them to respond to engineering comments.

Our work includes documentation for County Health Departments, NYS DEC, and town engineers.

Let’s Work Together

Ready to discuss
your project?

Tell us about your property and the engineering you need. We’ll help you identify the next step.

Discuss a Project