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.

Privacy Policy

Diehm & Sons is committed to providing customers with the best services. We've asked for your personal identity information, so we want you to know how it will be used. By registering with or contacting us through our web site, you agree that any information or comments you provide may be shared between Diehm & Sons, and its partners, and used without restriction to process service requests and improve or market our services. We will not sell or rent your information to any third party, and will exercise reasonable efforts to keep the information secure. Diehm & Sons recognizes and respects your online privacy.