substance Architecture
03/26/2026
We are pleased to have the Carpenter Building recognized as one of the Historic Preservation Projects of the Year – Commercial by the Des Moines Heritage Trust.
A former industrial warehouse reimagined for today, the project focuses on retaining the building’s original structure and character while introducing flexible, modern workspace. The result is a durable, adaptable environment that extends the life of a key piece of Des Moines’ built history.
Read more via the .
Client: Rypma Properties.
Substance Architecture led the core & shell renovation, with tenant improvements by , , and .
Design team: , CEC , .engineers
General Contractor:
03/09/2026
Iowa State University East Gateway Bridge
Iowa State University Iowa State Athletics Iowa State Football
MEPT Engineer
MODUS
Structural Engineer
Raker Rhodes Engineering LLC
Civil Engineer
Snyder & Associates, Inc.
Lighting Design
Trivalent Lighting Studio
Steel Fabrication
Johnson Machine Works, Inc.
Precast Concrete Supplier
Wells
General Contractor
Henkel Construction
Photography: Corey Gaffer Photography
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Contact the business
Address
1300 Walnut Street, Ste 201
Des Moines, IA
50309
Opening Hours
| Monday | 9am - 5pm |
| Tuesday | 8am - 5pm |
| Wednesday | 8am - 5pm |
| Thursday | 8am - 5pm |
| Friday | 8am - 5pm |