Pole Barn Kit Pricing. The average cost of a pole barn building can range anywhere from $4,000-$50,000. Larger, residential pole barn prices can go up to $100,000. When determining the exact price of a pole barn, the most important factor is size.Click to see full answer. Also question is, how much does it cost to build a 40×60 pole barn?The cost to build a 40×60 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.Also, is it cheaper to buy a pole barn kit? That being said, pole barn kits generally cost less than steel kits on smaller structures. The building package itself only constitutes a part of the true cost. Remember, you normally get what you pay for on any purchase. A cheap building is not usually a smart buy. Also asked, how much is a 30×40 pole barn kit? Pole Barn Prices by Size Size Cost Range Typical Use 24×36 $5,000-$15,000 3 car garage, 4 horse barn 30×30 $6,000-$15,000 medium farm workshop, 5 horse barn 30×40 $8,000-$20,000 4 car garage, 8 horse barn 30×50 $10,000-$24,000 farm equipment storage, 10 horse barn How much does it cost to wire a pole barn?They provide wire and panel. Your cost (here) about $1500 – $2000. Same as above only they do the trench and conduit. Your cost $3000 – 3500.