Dennis DiBlasio, PLS

Dennis has more than 40 years’ experience in providing professional services to government and private industry clients in all phases of surveying services. He has extensive background in subdivision preparation, outbound and topographic surveys, ALTA/ACSM Land Title Surveys, environmentally sensitive area mapping, and hazardous waste site surveying, as well as hydrographic and photogrammetric work.

He joined Marathon Engineering & Environmental Services in June of 2021. His responsibilities include coordinating the surveying efforts of multidisciplinary projects for the firm’s New Jersey offices in Swedesboro and Atlantic City.

Dennis has served as the Township Surveyor for Nutley, Riverside and Woodland townships as well as Berlin Borough (all in New Jersey). He oversaw and prepared most of the cartographic and mapping needs, including tax mapping, zoning, land use, 911 emergencies, and utility mapping, along with reviewing mapping and planning issues.

He has more than 10 years of experience in workshop presentations and seminars for the New Jersey Society of Professional Land Surveyors, New York Association of Professional Land Surveyors, and Pennsylvania Society of Professional Land Surveyors. He is a Past Director at Large for the New Jersey Society of Professional Land Surveyors and has held various leadership positions in the Surveyors Association of West Jersey, including Past President.


Dennis DiBlasio

Sr. Project Engineer

Contact Information:


Phone: 856 241-9705

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