About Us

Since our founding in 1968, Chesterfield Associates, Inc. has provided marine construction, engineering and related services along the eastern seaboard—from Virginia to Maine for Federal, State and Local government agencies, private companies and individuals.

At Chesterfield, we are primarily a marine contractor providing a large array of services in excavation, drainage and crane services. Our work includes tasks within the following NAICS codes:

Some of Chesterfield Associates most prominent clients include the U.S. Coast Guard, the National Park Service, New York State, Nassau & Suffolk Counties and a large base of private clients. At our headquarters in Westhampton Beach, New York, and the New England Division facility in Westport Island, Maine, we maintain a fleet of heavy construction equipment, marine vessels and construction vehicles. These facilities cover a combined 55 acres of industrial space.

Since 1985, Chesterfield has completed over 575 projects that range in size from $20,000 to $15 million. Plus, our number of completed projects is constantly rising. Chesterfield is one of the largest non-union contractors on Long Island, employing approximately forty-five people.

The Company has received many awards for quality of workmanship and takes great pride in delivering projects on time and within budget. Chesterfield is staffed with professionals in many disciplines and has the requisite resources, skills and experience to handle a wide variety of projects.

The Chesterfield Associates team is proud of our ability to undertake technically difficult projects normally outside of the capacity of other construction companies. Our company has the experience and creativity to find effective and cost-efficient solutions for the most complex marine-related projects. We work with Design Engineers to find the best and most affordable ways to achieve superior results for our clients.

New Construction Projects and Historical Preservations

Chesterfield Associates Inc. has experience with new construction, as well as historical renovation projects, such as bridges and lighthouses. With our historical preservations, our goal is to satisfy requirements to bring these structures up to modern safety and operational standards, while retaining the historical look and character of these important landmarks.