Business Details
50+ Years
experience
Your Trusted Civil & Structural Engineering Partner in Appleton
Harris & Associates was founded in 1957 by Theodore J. Harris and has since maintained a reputation for excellence in civil and structural engineering and land surveying. Our team of licensed professionals combines decades of experience with modern technology to deliver tailored solutions for commercial, residential, and industrial projects. We prioritize direct client engagement, ensuring personalized attention throughout every project phase. With 80% of our work coming from repeat clients, our commitment to quality and reliability has solidified our standing in the industry. Our expertise spans structural design, site planning, stormwater management, and land surveying, serving diverse sectors including retail, manufacturing, and municipalities.We emphasize environmental responsibility, infrastructure restoration, and public safety in all our projects. Our principals remain actively involved in every assignment, maintaining oversight while fostering long-term client relationships. From small additions to large-scale developments, we adapt to evolving challenges while upholding rigorous engineering standards. Our professionals hold licenses across multiple states, reflecting our regional expertise and dedication to professional excellence. Through continuous innovation and client-focused service, we aim to exceed expectations in every project we undertake.
Services
Structural Engineering
Civil Engineering
Land Surveying
Architectural Services
Details
- Year established: 1957
Highlights and features
- We offer over 65 years of combined engineering and surveying expertise.
- Our principals maintain active oversight of all project phases.
- 80% of our work comes from repeat clients, reflecting consistent satisfaction.
- We specialize in adapting to complex site conditions and regulatory requirements.
- Our team holds licenses across multiple states for regional project flexibility.
Services
Structural Engineering
Our structural engineering services cover commercial, residential, and agricultural projects. We specialize in designing building foundations, equipment platforms, sign bases, and recreational bridges. Our team conducts inspections for fire damage, snow load issues, and rehabilitation studies while ensuring compliance with safety standards.
Civil Engineering
We provide civil engineering solutions for land development, including site plans, stormwater management, erosion control, and sewer/water main extensions. Our expertise ensures efficient permitting and adherence to environmental regulations for commercial and multi-family residential projects.
Land Surveying
Our land surveying services include ALTA/NSPS surveys, topographic mapping, floodplain analysis, and subdivision plats. We offer construction staking and legal descriptions to support accurate land development and boundary determination.
Architectural Services
We deliver architectural solutions for commercial, retail, and multi-family residential structures. Our services include floor plan layout, building code reviews, and construction progress inspections to ensure functional and code-compliant designs.
People
Robert D. Tollefson
President
With 35+ years in structural/civil engineering, Bob specializes in commercial/industrial building design and land development. Licensed in six states, he graduated from Michigan Tech in 1983 and leads our engineering team.
Robert J. Harris
Professional Land Surveyor
Rob has 40+ years of Wisconsin surveying experience. A former president of the Wisconsin Society of Land Surveyors, he graduated from UW-Fox Valley and Stevens Point, focusing on land planning and approvals.
Calvin L. Tollefson
Civil Engineer
Calvin brings 35 years of civil engineering expertise, specializing in stormwater management and municipal permitting. Licensed in Michigan and Wisconsin since 1990/1994, he graduated from Michigan Tech with a BS in Civil Engineering.
Keith Walenski
Land Surveyor
Keith has 31 years of surveying experience, including 29 at Harris & Associates. A Wisconsin-licensed surveyor since 1995, he focuses on construction staking and legal descriptions while serving local surveying associations.
Questions
What services does Harris & Associates offer?
We provide structural engineering, civil engineering, land surveying, and architectural services for commercial, residential, and industrial projects.
How long has Harris & Associates been in business?
Founded in 1957, we have over 65 years of experience serving clients in engineering and surveying.
What types of clients do you work with?
We serve commercial retailers, developers, municipalities, homeowners, and other engineering firms across diverse industries.
Are your engineers licensed in multiple states?
Yes, our professionals hold licenses in Wisconsin, Michigan, North Dakota, Indiana, North Carolina, and South Carolina.
Do you handle both small and large projects?
We work on projects ranging from single-room additions to 200,000-square-foot facilities with equal attention to detail.
How do you ensure client satisfaction?
By maintaining direct communication, adhering to budgets and timelines, and providing personalized solutions tailored to each client's needs.
Reviews (2)
Craig Konrad
May 21, 2020
Report
Rob was great to work with and they were able to survey our property the same day that we called. Crew that arrived on site was professional and friendly.
Aquire Restoration Inc
Dec 21, 2018
Report
Bob was amazing to work with, even on short notice, to produce an expedited engineering report on one of our projects!
