Quadrant Design architects & planners

waterloo: 618.939.0606
sparta: 618.443.4012
fax: 618.939.0607

Welcome to Quadrant Design

Quadrant Design is a full service architectural and planning firm with offices in Waterloo and Sparta, Illinois. We serve private businesses, non-profit groups, public entities, property developers, and design-build contractors with a strong focus on St. Louis, Southern Illinois, and Eastern Missouri communities. 

We provide personal service backed by diverse experience and the total commitment needed to help accomplish your goals.

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Quadrant Design details, presentation drawings, sketches