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.

People We've Served

Diehm & Sons plan review.Diehm & Sons serves an extensive variety of client needs. Below are the types of clients we service with a sampling of project work examples. To determine if your land project would fit Diehm & Sons’ breadth of services, please click here to submit an inquiry.

Small Business Owner
  • Business expansion
  • New or expanded parking lots

The Plain Community

  • Business expansion
  • Subdivision for family and /or to sell for profit
  • Stormwater management for new agricultural structures
  • ALTA surveys
  • Expansion plans
  • New development
  • Site feasibility & due diligence
The Farmer
  • Subdivision for family and/or to sell for profit
  • Stormwater management for new agricultural structures
  • Business expansion

Agricultural Preservation Organization
  • Boundary and topographic surveys
Home Owners
  • Stormwater management plans for new accessory structures (garages, pools, etc.)
  • Boundary surveys and mark-my-lot
  • Subdivisions
School Districts, Colleges, & Universities
  • ALTA surveys
Land Developers – Residential & Commercial
  • Land development plans
  • Subdivision plans
  • Site feasibility studies
  • Stormwater management plans
  • Subdivision and/or lot add-on to create additional land area
  • Land development plans and/or stormwater management plans for additional building space including sanctuary, Sunday School, or office space
Subdivision for Estate Planning

Floodplain Determination & Development
  • Floodplain elevation certification/insurance
  • New structures in the floodplain