Detached Garage Cost in Illinois
Detached Garage in Illinois costs $32–$80 per sq ft in 2026. A typical 576 sq ft project averages $28,800. Illinois is in the Midwest region, where labor and materials run on the average end of national pricing.
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How much does a detached garage cost in Illinois? A detached garage in Illinois costs $18,432–$46,080 in 2026, with most homeowners paying around $28,800 for a typical 576 sq ft project.
- Per sq ft
- $32–$80
- Typical range
- $18,432–$46,080
- Average
- $28,800
- Labor share
- 48%
Illinois Average Cost (2026)
Cost Breakdown
Based on a 576 sq ft project in the Midwest region. Actual costs vary by contractor, site conditions, and material choices.
Detached Garage Cost by Size in Illinois
Illinois pricing for common detached garage project sizes (2026).
| Project size | Low | Mid | High |
|---|---|---|---|
| 288 sq ft | $9,216 | $14,400 | $23,040 |
| 576 sq ft | $18,432 | $28,800 | $46,080 |
| 1,152 sq ft | $36,864 | $57,600 | $92,160 |
Based on $32–$80 per sq ft in the Midwest region.
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Return on Investment
How much value does a detached garage add to your home at resale?
How Detached Garage compares to other projects
ROI figures based on Remodeling Magazine Cost vs. Value Report 2024, national averages. Actual resale value depends on your market, home price tier, and project quality.
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Materials & Supplies
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Frequently Asked Questions
How much does a detached garage cost in Illinois?
In Illinois, a typical 576 sq ft detached garage project costs between $18,432 and $46,080, with a mid-range average of $28,800. Illinois is in the Midwest region.
How much is labor for a detached garage in Illinois?
Labor accounts for approximately $13,824 of the total cost for a 576 sq ft detached garage project in Illinois. The Midwest offers near-average labor costs with competitive contractor markets in most metro areas.
How do I find a contractor for a detached garage in Illinois?
Get at least 3 quotes from licensed local contractors, verify their license with Illinois's contractor licensing board, and check reviews on Google or the BBB. Use our free estimate tool to understand fair pricing before you negotiate.
Does a detached garage add value to your home in Illinois?
On average, a detached garage recoups about 65% of its cost at resale nationwide. For a $28,800 project in Illinois, that's approximately $18,720 in added home value. Actual ROI varies by neighborhood and market conditions.
Detached Garage Cost by Illinois City
Local pricing, permit notes, and climate factors for major Illinois metros.
Detached Garage Material Calculators
Estimate exact material quantities and costs for your detached garage project.
Other Home Improvement Costs in Illinois
Detached Garage Cost in Nearby States
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How big is your Detached Garage?
A 1-car garage is ~240 sq ft. A 2-car garage is ~576 sq ft.
Pro Tips
- Get at least 3 contractor quotes
- Ask about permit requirements
- Budget 10–20% contingency
- Check contractor licenses
Find a Detached Garage Pro Near You
Get free quotes from top-rated local pros. No obligation.
Sponsored — BuildCost may earn a referral fee at no extra cost to you. This site connects you with independent service professionals through a third-party matching platform.
Ready to Hire a Detached Garage Contractor?
Use your estimate to get competitive bids from licensed local contractors. Getting multiple quotes is the best way to avoid overpaying.
Local contractor matching coming soon.