Question: how much does it cost to build a metal barn house?
Answer: Cost to Build a Pole Barn House. The cost to build a 40x60 pole barn house is $35,000 to $70,000 or $15 to $30 per square foot. The larger and more complex pole barn designs cost $45 per square foot, or $100,000 plus when fully finished out. A concrete slab costs an additional $6 per square foot to pour.