Welcome to Olsen and Associates Architects!

O + A Front Logo

Olsen + Associates architects


1008 Foothill Drive

Champaign, Illinois 61821



Olsen + Associates Architects was founded on the premise that good architecture is the result of sensitive design, human understanding, and awareness and respect for our environment.

Established in January 1977 by Gary Olsen, the firm prides itself in offering a comprehensive approach to architecture involving planning, design, construction documents, and project administration and construction management.  Our portfolio includes commercial architecture such as office, hotel, restaurant, religious, library, and medical facilities, as well as residential planning and design.  In addition, Olsen + Associates is noted for work in historic preservation and renovation of existing buildings. Members of the firm are actively involved in historic preservation, environmental awareness and community improvement programs and share the belief that design excellence promotes and enhances the quality of our lives. Our education programs create architectural awareness in the communities we serve.


Trade Center 2

Trade Center South (Champaign, IL)

Pavilion 1

Pavilion School (Champaign, IL)

Busey 1

Busey Bank (Champaign, IL)


Library 1

Douglas Branch Library (Champaign, IL)



Korean Mission Church (Urbana, IL)

Click for More


Home2 Ausura 2

 Click for More

Renovation and Historic Preservation

Lincoln Green 1 Lincoln Green 3

Renovation (Lincoln Green University Center, University of Illinois at Urbana-Champaign)


Kappa Alpha Theta Sorority, University of Illinois at Urbana-Champaign


Burnham Athenaeum, Meyer Capel Law Office (Champaign, IL)

List of Past Clients

Olsen + Associates Architects is at the cutting edge of research and implementation of the eco-friendly modular architecture movement.  Modular construction built to custom architectural design takes advantage of the opportunity to use green cost effective construction methods, while still maintaining a commitment to creativity and responsive design.  (click here for more)

Slide26 Climate Controlled Slide27 Quick Delivery and AssemblySlide29 606 Complete

The Modular Building Process: Start to Finish (606 E Stoughton, Champaign, IL)