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.
learn moreCivil Engineering
Extensive expertise
We service all aspects of civil engineering including stormwater management, erosion control plans, floodplain studies and highway occupancy permits.
learn moreLand 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.
learn moreView our Portfolio to see a sampling of our projects.
People We've Served
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.
- 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
- Subdivision for family and/or to sell for profit
- Stormwater management for new agricultural structures
- Business expansion
Agricultural Preservation Organization
- Boundary and topographic surveys
- Stormwater management plans for new accessory structures (garages, pools, etc.)
- Boundary surveys and mark-my-lot
- Subdivisions
- ALTA surveys
- 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
Floodplain Determination & Development
- Floodplain elevation certification/insurance
- New structures in the floodplain

