DuPage County Home Building Costs
2026 construction cost estimates for DuPage County, Illinois. Population: 930,000.
County $/sq ft
$232
Illinois avg: $211
vs State Average
+10%
Local market premium
2,000 sq ft home
$464,000
Mid-range estimate
Local Market Factors
- ›Chicago suburb
- ›Affluent area with quality expectations
Cost by Home Size in DuPage County
| Home Size | Basic | Mid-Range | Premium |
|---|---|---|---|
| 500 sq ft | $85,766 | $116,000 | $157,957 |
| 1,000 sq ft | $171,532 | $232,000 | $315,915 |
| 1,500 sq ft | $257,298 | $348,000 | $473,872 |
| 2,000 sq ft | $343,064 | $464,000 | $631,830 |
| 2,500 sq ft | $428,830 | $580,000 | $789,787 |
| 3,000 sq ft | $514,596 | $696,000 | $947,745 |
| 4,000 sq ft | $686,128 | $928,000 | $1,263,660 |
| 5,000 sq ft | $857,660 | $1,160,000 | $1,579,574 |
Costs are estimates only and represent construction costs, excluding land, architect fees, permits, and landscaping. Add 30–40% to these figures for total project cost.
County multiplier of 1.10× applied to Illinois state average (which itself is 1.12× the national average of $188/sq ft).