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.
Your build
Base
Who's building it
Finish level
Estimated total build cost
$15,500 – $21,000
Based on current lumber, insulation, and fixture pricing. Your number moves with material choices and local labor rates.
- Shell & envelope
- ~$9,500
- Base / foundation
- ~$2,500
- Electrical & plumbing
- ~$2,500
- Insulation & interior finish
- ~$3,400
⭐ Free to use. Pair this range with the materials lists and permit checklists in the premium guide library — every line above has a guide that explains it.
Where the money actually goes
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.