From site work and framing to exterior and interior finishes, here is a line-by-line breakdown of how much it costs to construct a new house.

How much does it cost to build a house in the U.S.? The average cost to build a brand-new single-family home in 2025 is $323,026, according to data from HomeAdvisor.

But for homeowners in those areas motivated to build such a house, what exactly does one look like…and what are the differences in cost? LEFT: Greenville Microhouses House 1, Greenville, California.

From lumber to lighting: How Trump's tariffs drive up home construction costs NBC News modeled out a 3-bedroom home and found tariffs added more than $4,000 to total costs.