Build Cost Estimator
Know the real costbefore you cut the first board.
Set the sliders to match your build and get a live budget range — broken into the same categories a contractor would quote, minus the guesswork.
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Where the money actually goes
Shell
Framing & envelope
Trailer or foundation, framing, sheathing, roofing, windows. Usually the single largest line item — and the one most first-time builders underbid.
Read the guides →SystemsElectrical, plumbing, insulation
A small footprint doesn't mean small cost here — code minimums apply whether you're building 200 sq ft or 2,000.
Read the guides →FinishInterior & fixtures
Where budgets swing the most. This is the range you control most directly once the shell is closed in.
Read the guides →Estimates are directional, not a quote. Always confirm pricing with local suppliers and your building department.