Based in Mount Pleasant, COY Engineering Services LLC provides civil engineering in South Carolina and is proud to call it home. From coastal development along the Lowcountry to inland residential and commercial growth, we bring precision, integrity, and local knowledge to every South Carolina project we take on.
Our team understands the permitting landscape unique to South Carolina — from South Carolina Department of Environmental Services (SCDES) stormwater and drainage requirements to SCDOT encroachment permits and OCRM coastal zone considerations. Whether you're developing a commercial site in Charleston, planning a residential subdivision, or navigating land use approval, we guide the process from concept to completion.
Our South Carolina Services Include:
Civil Engineering Design & Stamped Drawings
Commercial & Residential Site Development
Permitting and Land Use Applications
Stormwater & Drainage Management
Project Management from Pre-Application to Approval
As a SAM-registered, USFCR Verified Vendor, COY Engineering Services also brings the credentials and compliance experience that public and government-adjacent South Carolina projects require.
Ready to move your South Carolina project forward?