Commercial buildings are buildings where commercial activities take place. Commercial buildings include office buildingsA commercial property is defined as a building, structures and improvements located on a parcel of commercial real estateCommercial buildings are an important part of doing business, both for those who own them and for those who rent them. A commercial building could contain one or more of many types of businesses, including retailers, restaurants, offices or manufacturing. If you are planning to open a business with a physical location or you want to own and manage commercial properties, it's important to understand what this involves.