Surveying & Mapping

Surveying since 1885

We focus our expertise on traditional surveying methods, as well as electronic measuring, photogrammetric mapping and other state-of-the-art methods.

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Civil Engineering

Extensive expertise

We service all aspects of civil engineering including stormwater management, erosion control plans, floodplain studies and highway occupancy permits.

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Land Planning

Turning your vision into reality

Whether it's subdivision plans, estate planning, sewage plans, or site feasibility analysis, we offer the guidance and experience that provides peace of mind.

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Diehm & Sons

View our Portfolio to see a sampling of our projects.

Our Process

Our process is simple: first and foremost we listen. We also stay abreast of the ever changing ordinances and regulations within the various municipalities we work in and conduct extensive preliminary research. You are our client; your desire for a successfully completed project is our utmost concern. At Diehm & Sons we look to understand your project objectives, identify the process that is needed to accomplish those objectives and communicate with you along the way. There is no standard process, because each project is unique, so each solution is tailored to your needs. We are your consultants and an extension of your team.