General Info

Yaggy Colby Associates Inc. is a consulting engineering, surveying, planning and landscape architecture firm, providing services for over 40 years. Based in Delafield, Wis., it caters to meet the facility and infrastructure needs of municipal, building and site design, transportation and land development clients. The firm serves the public sector clients, including federal, state, county and municipal government agencies as well as the architecture/engineering firms, public utility companies, corporations, contractors and developers. Yaggy Colby Associates Inc. provides municipal services, such as city/town/village planning and engineering, water supply, distribution and treatment systems, surveying, etc. and the planning and site design services focus on structural and environmental engineering and landscape architecture. Offering land development services for residential and commercial projects as well as community planning, its transportation services include highway, roadway and street design, transportation planning, multimodal transportation systems and more.