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Business Details
50+ Years
experience
Your Trusted Partner for Engineering and Surveying Solutions
Sayre Associates was founded in 1969 with a commitment to delivering engineering excellence through collaboration and client-focused service. Our team of civil engineers and surveyors has served public and private clients across South Dakota, Minnesota, and Iowa for over 50 years. We prioritize listening to client needs, leveraging advanced technology, and maintaining ethical standards to provide tailored infrastructure solutions.

Our expertise spans municipal projects, transportation systems, land development, and environmental compliance. We take pride in fostering long-term relationships and contributing to community growth through innovative design and precise execution. With decades of regional experience, we remain dedicated to quality, transparency, and sustainable practices in every project phase.
Services
Civil Engineering Land Surveying Site Design Construction Management Vibration Monitoring Wetland Delineation Transportation Planning Drainage Solutions Boundary Surveys Erosion Control
Details
  • Year established: 1969
Highlights and features
  • We have over 50 years of regional experience in civil engineering and land surveying.
  • Our team prioritizes client collaboration and personalized project execution.
  • We specialize in municipal infrastructure and environmental compliance solutions.
  • We utilize advanced 3D scanning and surveying technology for precision work.
  • Our legacy of quality spans generations of community development projects.
Services
Civil Engineering
Our civil engineering services focus on municipal and transportation projects including street design, utility systems, and drainage solutions. We deliver comprehensive planning and construction oversight for public infrastructure improvements. Our team specializes in creating sustainable, code-compliant designs that enhance community functionality and safety.
Land Surveying
We provide precise land surveying using advanced 3D scanning technology for ALTA/NSPS standards, topographic mapping, and boundary determination. Our services support property transactions, construction projects, and legal documentation. We ensure accurate spatial data collection for development and environmental compliance purposes.
Site Design
Our site design services encompass commercial, institutional, and residential development projects. We create detailed plans for parking lots, building expansions, and recreational facilities while addressing drainage and accessibility requirements. Our designs balance functionality with regulatory compliance for efficient project implementation.
Vibration Monitoring
We offer vibration monitoring for construction projects near sensitive structures, including pre/post-blast assessments and crack monitoring. Our services ensure compliance with safety standards while protecting adjacent properties during excavation or demolition activities.
Wetland Delineation
Our wetland services include precise delineation surveys, mitigation planning, and regulatory permitting assistance. We help clients navigate environmental requirements while developing land responsibly. Our team provides detailed reports and sustainable solutions for wetland impact management.
Questions
What services does Sayre Associates offer?
We provide civil engineering, land surveying, site design, vibration monitoring, and wetland delineation services for public and private sector clients.
Which areas do you serve?
We primarily serve Sioux Falls, SD and the surrounding tri-state region including South Dakota, Minnesota, and Iowa.
How long has your company been in business?
Sayre Associates has provided engineering services since 1969, with over 50 years of regional experience.
What makes your firm different?
Our client-focused approach combines technical expertise with regional knowledge and advanced surveying technology for precise, reliable results.