Public engineering firm profile
Greenville, SC
Civil Engineering for Connected Communities.
RiverRock Engineering is a site-civil land development engineering practice based in Greenville, South Carolina, serving clients across the state and the broader Southeastern United States. It provides civil engineering design, land planning, permitting, and project management services for commercial, industrial, residential, and institutional projects.
Site development design services that transform conceptual layouts into detailed, construction-ready documentation. This includes grading, drainage, and utility infrastructure modeling tailored to local site conditions.
Comprehensive early-stage feasibility analysis and master planning to assess development potential, regulatory constraints, and infrastructure requirements before formal design begins.
Agency coordination and submission management to secure all necessary municipal, county, and state approvals before construction.
Coordination of specialty subconsultants to ensure all structural, environmental, and surveying inputs are integrated into the master site plan.
2026 | Anderson, SC | Absolute Climate Storage, LLC | Commercial
Site-civil design and permitting for an 88,200 SF self-storage facility, including grading, drainage, utility layouts, and a custom stormwater design. Secured a Stormwater Quantity Detention Waiver due to proximity to Lake Hartwell, eliminating the need for a costly on-site detention pond and maximizing buildable area.
View project source2025 | Greenville, SC | PepsiCo | Industrial
Site-civil design services for a 2,800 SF office addition to PepsiCo's existing facility. Design services included grading, drainage layouts, and stormwater management, alongside coordinating the land disturbance permitting process with Greenville County.
View project source2026 | Oconee County, SC | Residential
Site-civil design for a custom 5,800 SF lake home on a 1.87-acre parcel along Lake Keowee. The scope included grading, driveway layout, drainage, utility coordination, and an engineered septic system designed to satisfy SCDES standards while permitting a closer-to-water building footprint than a conventional system.
View project sourceMoore, SC | Takeuchi | Industrial
Site design services for a loading dock expansion in Moore, SC, partnered with G1.6 Architects, to increase truck dock capacity and support operational growth.
Westminster, SC | Sports & Recreation
Planning and civil design services for an RV park development in Westminster, SC, creating a well-equipped, efficient layout for visitors.
Owner / Principal Engineer
P.E.
Mitchell Gunter, P.E., is the owner of RiverRock Engineering, LLC. He graduated from Clemson University in 2017 with a Bachelor of Science in Civil Engineering and provides site-civil land development services across multiple states. Mitchell is a licensed Professional Engineer in South Carolina, Texas, North Carolina, Georgia, and Florida. Outside of work, Mitchell serves as a Captain in the United States Army Reserve.
Engineer in Training
E.I.T.
Jonathan Davis, Engineer in Training, graduated from The Citadel in 2020 with a Bachelor of Science in Civil Engineering and has since worked to provide professional site-civil land development services. Jonathan specializes in site design, grading and drainage, utilities, erosion control, stormwater management, construction plans, landscape planning, and permitting. Outside of work, Jonathan serves as a First Lieutenant in the United States Army Reserve.