Darien's 21,879 residents, with median incomes of $100,000 to $124,999, are among the most active home improvement markets in the Midwest.
We match you with pros covering all 5 ZIP codes in the Chicago Metro, and each listing shows the registry result we have, with the date we checked.
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FreeLocal signals that shape home addition demand and contractor availability in this market.
Nearby areas: Chicago
Typical Home Addition projects in Darien run $40,000 to $150,000.
2025 Cost vs. Value · East North Central market. Darien benchmarked against regional average.
| Project | Cost | Resale | ROI |
|---|---|---|---|
| Accessory Dwelling Unit | $157,758 | $64,636 | 41% |
| Primary Suite Addition | Midrange | $160,572 | $54,514 | 34% |
| Primary Suite Addition | Upscale | $329,084 | $65,028 | 20% |
This is what we have checked in Darien so far. Every contractor we found is shown here, not ranked.
How to Read These Badges
Here’s what we’ve checked on Maya Construction Group so far.
Here’s what we’ve checked on Chicago Home ReVision so far.
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AboveBoardPros is a matching service. These checks apply to the pros we list. We connect you with independent contractors and do not perform the work ourselves.
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Home additions cost $150–$310 per square foot for finished living space, with second-story additions running 25–40% more. Use our estimator to get a realistic budget range before you meet with a general contractor.
Midwest home additions cost $150–$300 per square foot and return 50–65% at resale. Here's which additions pencil out, which don't, and how to decide for your home.
Most homeowners sign contractor contracts they don't fully understand. Here are the 8 clauses that create risk — and the 5 things every legitimate contract must include.
Converting an attached garage to living space costs $15,000–$50,000 depending on scope. ROI is 65–80% — better than most additions. But there are real tradeoffs in cold climates and HOA neighborhoods.
Kitchen remodels take 8–14 weeks. Bathroom remodels take 3–6 weeks. Roof replacements take 1–3 days. Here are the honest timelines for every major home improvement project — and what causes delays.
Bump-outs cost $5,000–$30,000 and expand a room 2–15 feet without new foundation work. Full additions cost $30,000–$100,000+ and require foundation, framing, and roof extension. Here's how to know which your project actually needs.
