COMMERCIAL Office Space - 3 Year Lease. Business off Suite in Historic 63301 St. Charles, MO. Ground floor business suite with private entrance and parking out front. Office has a private office within the suite. could hold 3-4 employees comfortable. Owner is licensed real estate broker. Three year lease required and this is not a retail space. Check out our website for more information at https historic920offices com for photos and floorplans.