We tell you what it really costs to build your house.
Not a national average. Not a per-square-foot guess. A detailed, line-item construction cost estimate tied to your actual house plan and your local zip code — so you can budget with confidence before you break ground.
/ Our story
CostToBuildAHouse.com has helped homeowners, builders, and appraisers answer one deceptively hard question for nearly 20 years: what will this specific home actually cost to build?
Most people researching a new build run into the same wall — every source gives a different “average cost per square foot,” and none of them reflect their plan, their lot, or their finish choices. Those averages can be off by six figures on a real project.
We built our service to close that gap. Instead of a single multiplier, we produce a line-item report that prices each phase of construction — from site work and foundation through framing, systems, and interior finishes — to your build location and the materials you choose. Since the mid-2000s, that approach has helped buyers set realistic budgets, compare plans against each other, and walk into builder and lender conversations informed rather than guessing.
/ What we believe
Specific beats average
A number tied to your plan and zip is worth more than any statewide average. Specificity is the whole point.
Current, not stale
We refresh our cost data 10–12 times a year so estimates track real labor and material markets.
Honest about limits
Our report is a planning estimate, not a contractor's bid. We tell you exactly what it does and doesn't cover.
Accessible to everyone
Detailed estimating used to be expensive and pro-only. We make it affordable for the person actually building.
/ Powered by StartBuild
StartBuild
Our construction cost calculator is powered by StartBuild, whose blended costing database combines published national, regional, state, and zip-code cost data with actual builder costs for finished homes. StartBuild has been producing cost-to-build reports for new homes for nearly two decades. For the full picture of how an estimate is produced, see our estimating methodology.
/ Learn more
/ Get in touch
Have a plan that isn't from a supported website, or questions before you order? Call us at (760) 230-6633 or contact us, and someone from our team will help you get started.
Ready for a real number?
Get a 60+ line-item estimate priced to your exact plan and zip code — $32.95.
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