###User: Combien coûte la construction d'un bâtiment commercial ?  ###Assistant: Commercial buildings vary in scope, budget, building type, labor and finishes, and location. the [office building construction cost per square foot](https://proest.com/office-building-construction-costs-per-square-foot/) average cost ranges from $16 to $20 per square foot. however, depending on the factors stated above, they can shoot up to $30 to $40 per square foot.