About Us Products Contact Welcome Coastal Pipeline Products Corp. is a concrete pipe and precast concrete manufacturer located on the east end of Long Island in Calverton, New York. Founded in 1988, Coastal has grown to be the regions premier concrete products supplier while specializing in underground drainage and utility products. Our professional staff, skilled employees, and advanced manufacturing equipment and techniques, enable us to efficiently produce a wide range of precast products. The caliber of our material as well as our unsurpassed service, attest to our continued dedication to meeting the needs of the Long Island and New York metropolitan area. News Manufacturers of Quality Precast Concrete Products Since 1988 Concrete Proof of Excellence Gallery Latest News! Coastal becomes the exclusive producer of the precast concrete Hydroaction AN500-C Wastewater Treatment Unit. The Hydroaction unit was the first to be approved by the SCDOH and is also HS-20 load-rated. Please contact Wastewater Works, Inc. for more information at (631) 831-2580. Home