how much does it cost to build house
1 It's possible to custom-build an 800-square-foot dome house for $1 million or a 12,000-square-foot rural ranch house for $400,000. 2  However, the $400,000 custom-built house is the exception rather than the rule. However, building a modest custom home in a low-cost area might drop costs as low as $100 a square foot, or $350,000 for 3,500 square feet.
The average cost to build a log home in the U.S. is approximately *$150.00-$200.00+ per square foot turnkey. The square footage you need to be concerned with is the actual living area on the main and second floor if applicable.xample: 2,000 square foot home- (1,500 main floor) & (500 loft floor) with a full basement and two car garage. Lower end. 1  2,000 square feet times $150.00 per sq.ft. = 2  $300,0000.