Frederick, Seibert & Associates

Frederick, Seibert and Associates Inc. is a multidisciplinary engineering firm headquartered in Hagerstown, MD with a branch offices in Greencastle and Carlisle, PA. We provide professional services in Land Surveying, Civil Engineering, Land Planning, Landscape Architecture and Environmental Design to clients in MD, PA, WV, and VA. FSA was founded in 1941 by J. Harold Seibert RLS, PE. Mr. Seibert was the appointed County Surveyor for Washington County, Maryland from 1941 through 1972. The firm was incorporated as Frederick, Seibert and Associates, Inc. (FSA) in 1986 and prides itself on engineering excellence, hard work, and a commitment to service for our clients. Design services provided to our public and private sector clients have ranged from the initial concept stages through complete design, agency approval process, construction stakeout and project supervision. Our services have covered engineering feasibility studies, field surveys, concept plans, site planning and engineering, land planning and subdi