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The Colonnade Senior Living is Completed

The Colonnade Senior Living Opens for Business.
The $11 Million Expansion/Renovation of Once-Shuttered Assisted Living and Memory Care Center is located in O’Fallon, Il and now has a 92 unit facility.

Shuttered since 2008, the Assisted Living and Memory Care Center at 700 Weber Road in O’Fallon, Il. linked a pair of existing structures built in the 1960s with a 35,500 square foot three-story addition, which forms the 76,000 square foot complex.  The assisted living center houses a total of 92 units– 60 assisted living units and 32 memory care units. 

According to Tim McLaughlin, Pinnacle project manager, the construction team initially demolished a portion of one existing building to accommodate the new wood-frame addition.  The exterior façade of the building is clad in a combination of brick, cement siding and EIFS which is designed to blend with the architecture of the existing structures.  “Diligent pre-planning and close job-site coordination has been required to seamlessly and cohesively mesh the new space with the architectural and structural features of the existing structures,” he said.

The Colonnade provides a continuum of services for the elderly, including independent living, assisted living and memory care.  One-bedroom apartments at the community have a full kitchen while studio units have a kitchenette.  The facility contains a full service commercial kitchen, activity space, a salon and game room.

Pinnacle also significantly enhanced outdoor amenities for residents with two new patio courtyards, a fountain, new campus-wide landscaping and re-configured parking that is more convenient for visitors and guests. 

St. Louis Post-Dispatch 

Belleville News-Democrat 

St. Louis CNR

Senior Housing News



As a one-time, first-time developer, the prospect of rehabbing a 25,000 square foot historic building was intimidating, but the staff and ownership of Pinnacle were so great to work with that I would easily do it again. They are professional, honest, and they always respond to phone calls and emails in a timely manner. Pinnacle finished the job on time and within budget. I cannot recommend them highly enough.

Cynthia Musterman, President, Stevens Institute of Business & Arts

Excellence From the Ground Up

Recent Awards

Pinnacle is proud to be associated with the U.S. Green Builders Council as well as the Associated General Contractors of Missouri.

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About Pinnacle

Thomas McLaughlin and Nelson Grumney founded Pinnacle Contracting, Inc. in 1998 with the goal of providing personalized service for every client, no matter the size or scope of the project.

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7733 Forsyth Boulevard
Suite 1550
St. Louis, MO 63105

(314) 783-8000
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Pinnacle Contracting, Inc.