Brownfields present complicated liability concerns for developers, as below-ground environmental and soils engineering unknowns can cause delays and add costs to a project. When multidisciplinary professionals from a single specialty geotechnical/environmental engineering firm work together on complex soil and groundwater conditions, brownfield development projects are completed more quickly, more cost-effectively, and with more effectively managed risk. This approach to brownfield redevelopment has served clients of GZA GeoEnvironmental, Inc. (GZA) and Melick-Tully & Associates, A Division of GZA, well. The firm offers five core services: geotechnical engineering, environmental services, ecological/permitting services, water/flood hazard services, and construction management. We approach brownfields projects with several key environmental and geotechnical engineering considerations in mind from the outset, among them.