Erdman Engineering, P.C. serves Northeast Iowa counties of Winneshiek, Allamakee, Clayton, Fayette, Chickasaw, Howard, Bremer, and Floyd with civil engineering and land surveying services since 1955.

Our Civil Engineering design services includes the areas of land development, street and lighting, well and water systems, sanitary and storm sewer projects, recreational trail development, airport, and housing and commercial site developments.

Our Land Surveying services include Lot, Boundary and Property Survey, Site Topography, ALTA/ASCM and Construction Site Staking utilizing GPS and Robotic data collection.

Additional Services include GIS mapping and large format scanning, reproduction and printing.