Home Addition in Merrillville sees strong homeowner demand across the Chicago Metro.
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FreeTypical Range
$40,000 to $150,000
Typical Home Addition projects in Merrillville run $40,000 to $150,000.
Mid-range cost and resale value from the 2025 Remodeling Cost vs. Value report. Merrillville is benchmarked using the East North Central regional average.
| Project | Cost | Resale Value | 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% |
Source: Remodeling Magazine 2025 Cost vs. Value. Mid-range tier.
Merrillville Market
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Nearby areas: Chicago
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.
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.
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