Compare home addition estimates in Chicago, IL
Free home addition quotes in Chicago, Illinois. Typical range $51,300 – $159,600.
Low
$51,300
Average
$96,900
High
$159,600
Chicago crews quote about $170 – $515 per square foot.
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What drives home addition prices in Chicago
Local labor, permitting and climate move Chicago prices away from the national average.
Labor market
Chicago is a union-heavy market, so licensed trade labor prices well above average.
Permits
City permits, licensed-contractor registration and inspections are strictly enforced.
Climate
Freeze-thaw, ice dams and lake-effect snow drive roofing and masonry spend.
How to compare Chicago quotes
- Collect three written quotes. Anything under $38,475 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.
Chicago questions
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