What it costs
Houseplans.com says site work commonly runs $20,000–$50,000. HomeGuide puts a 4-inch slab at $6–$8 per sq ft and a 6-inch slab at $8–$10 installed.
Run your own numbers in the barndominium cost estimator.
Worth knowing
- Rural lots may need a well and septic, which are separate trades
- Power runs from the road can be a large, overlooked cost
- Grading and drainage protect the slab long-term
- Soil and frost depth affect footing design
What to send builders
- Lot location and size
- Distance from the road to the build site
- Existing utilities on the lot
Questions
Why is site work so variable?
It depends on the land: trees to clear, slope to grade, how far utilities are, and soil. Two lots in the same county can differ by tens of thousands of dollars.
