Compare home addition estimates in Madison, WI
Free home addition quotes in Madison, Wisconsin. Typical range $46,800 – $145,600.
Low
$46,800
Average
$88,400
High
$145,600
Madison crews quote about $155 – $470 per square foot.
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What drives home addition prices in Madison
Local labor, permitting and climate move Madison prices away from the national average.
Labor market
Licensed trade labor in Madison runs about 104% of the national average, and the best crews book out fastest in spring and early summer.
Permits
Most Madison, WI projects that change structure, electrical, plumbing or mechanical systems need a permit from the local building department; cosmetic work usually does not.
Climate
Wisconsin weather drives material choices here, so ask contractors what they install most often in Madison and why.
How to compare Madison quotes
- Collect three written quotes. Anything under $35,100 usually has scope missing.
- Compare line items — materials, labor, permits, disposal — not just the total.
- Confirm license, insurance and workmanship warranty length before you sign.
- Ask what triggers a change order and how it gets priced.
Madison questions
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