Cost to Build a House: A Ground-Up Investor’s Breakdown
For a ground-up project, profit is the gap between what the finished home sells for and everything it took to build. Getting that right means budgeting five distinct cost buckets, not just construction.
Try the Cost-to-build calculatorThe five cost buckets
Land is the lot price. Hard costs are the construction itself, usually quoted per square foot. Soft costs — design, permits, engineering, fees — commonly run around 15% of hard costs. Holding costs are the interest and carry while you build. Selling costs are the commissions and closing on the back end.
Add those five together and compare the total to your expected resale. If the spread does not clear your target margin, the deal does not work no matter how good the lot looks.
What moves build cost per square foot
Hard-cost-per-square-foot swings with finish level, home size, site conditions, and local labor and material prices. A simple, larger home costs less per square foot than a small, highly customized one.
Ground-up carries different risk than a flip: longer timelines, more financing exposure, and more that can change between breaking ground and closing. Build in margin for it.
Frequently asked questions
How much does it cost to build a house?+
It depends heavily on size, finish level, and local prices, so the honest answer is a range. The reliable approach is to estimate your specific build per square foot, add land, soft, holding, and selling costs, and compare the total to resale.
Is building cheaper than buying?+
Sometimes. Building can pencil when finished homes sell for meaningfully more than land plus construction in that market, but it carries longer timelines and more risk than buying existing.