JolietHome Addition Contractors
Joliet's 150,000 residents, with median incomes of $75,000 to $99,999, are among the most active home improvement markets in the Midwest.
We match you with pros covering all 16 ZIP codes in the Chicago Metro, and each listing shows the registry result we have, with the date we checked.
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FreeThe Joliet Home Improvement Market
Local signals that shape home addition demand and contractor availability in this market.
Nearby areas: Chicago
How Much Does Home Addition Cost in Joliet, IL?
Typical Home Addition projects in Joliet run $40,000 to $150,000.
Home Addition Cost & ROI · Joliet
2025 Cost vs. Value · East North Central market. Joliet benchmarked against regional average.
| Project | Cost | Resale | ROI |
|---|---|---|---|
| Deck Addition | Wood | $18,263 | $17,323 | 95% |
| Deck Addition | Composite | $25,096 | $22,199 | 89% |
| Bathroom Addition | Midrange | $60,645 | $32,347 | 53% |
| Bathroom Addition | Upscale | $111,255 | $40,526 | 36% |
| Primary Suite Addition | Midrange | $170,517 | $55,097 | 32% |
| Primary Suite Addition | Upscale | $351,613 | $63,136 | 18% |
Deck Addition ROI Trend
Regional ROI by year
| Year | ROI |
|---|---|
| 2020 | 72.1% |
| 2021 | 65.8% |
| 2022 | 64.8% |
| 2023 | 50.2% |
| 2024 | 82.9% |
| 2025 | 94.9% |
Source: Remodeling Cost vs Value data, 2020 to 2025.
Screened Home Addition Pros in Joliet, IL
This is what we have checked in Joliet so far. Every contractor we found is shown here, not ranked.
No contractors found in this area yet. We are expanding coverage market by market.
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Related Reads for Joliet Homeowners
Home Addition Cost Estimator: Get Your Budget in 2 Minutes
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Which Home Improvement Has the Best ROI? Use Our 2026 Calculator
Before you commit to a kitchen overhaul or deck addition, see exactly what each project returns at resale. Our ROI calculator uses 2025 Cost vs. Value data to show you the numbers in seconds.
Contractor Insurance 101: What Homeowners Actually Need to Verify
General liability, workers' comp, and bonding explained — and why a Certificate of Insurance is not the same as actual coverage. What to check before anyone sets foot on your property.
10 Contractor Quote Red Flags: Use Our Checker Before You Sign
Got a contractor quote in hand but something feels off? Run it through our red flag checker — 10 warning signs sourced from FTC and state contractor board fraud reports — and get an instant verdict.
Bump-Out Addition vs. Full Addition: Which Makes Sense for Your Project?
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.
Garage Conversion to Living Space: Cost, ROI, and What to Know Before You Start
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.