Engineering Excellence for 50 years

Sayre Associates is a civil engineering and land surveying firm located in Sioux Falls, South Dakota. We have spent the last 50 years building a reputation for high quality, innovative and cost effective solutions in South Dakota, Minnesota and Iowa. We are committed to engineering and surveying excellence. Let our experience, quality and dependability assist with your next project!

Need a survey? Use the “Request a Survey” link below. Have a new project in mind? Ask about our land development and planning services. Worried about potential drainage issues? We offer drainage studies and design, as well as erosion control plans. Have a construction project coming up? We offer construction surveying, observation and administration services to ensure a quality project is built.

We’re ready to engineer a solution for you! Call us today at (605) 332-7211 for more information.