About Us

CSM Construction is based in the St. Louis Metro Area in the Historical St. Charles, Missouri.  We are a “Go anywhere, anytime company” with experience dealing with a variety of local regulations, agencies and cultures.  We serve a diverse array of clients, large and small.


Our management has over 150 years of combined experience in emergency service, disaster restoration, mold remediation, consulting, engineering and general contracting.  We are a full service company.


We are often found at the scene of today’s headlines.  After the media and cameras have gone home, CSM is busy putting lives and communities back together.


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CSM CAT Response Unit

CSM CAT Response Unit