Cook County Home Building Costs
2026 construction cost estimates for Cook County, Illinois. Population: 5,200,000.
County $/sq ft
$248
Illinois avg: $211
vs State Average
+18%
Local market premium
2,000 sq ft home
$496,000
Mid-range estimate
Local Market Factors
- ›Chicago metro
- ›Strong union labor
- ›Complex permit process
Cost by Home Size in Cook County
| Home Size | Basic | Mid-Range | Premium |
|---|---|---|---|
| 500 sq ft | $91,681 | $124,000 | $168,851 |
| 1,000 sq ft | $183,362 | $248,000 | $337,702 |
| 1,500 sq ft | $275,043 | $372,000 | $506,553 |
| 2,000 sq ft | $366,723 | $496,000 | $675,404 |
| 2,500 sq ft | $458,404 | $620,000 | $844,255 |
| 3,000 sq ft | $550,085 | $744,000 | $1,013,106 |
| 4,000 sq ft | $733,447 | $992,000 | $1,350,809 |
| 5,000 sq ft | $916,809 | $1,240,000 | $1,688,511 |
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 1.18× applied to Illinois state average (which itself is 1.12× the national average of $188/sq ft).