Home Addition
in Lake Forest.
Typical cost range · Lake Forest
Home Addition across the Lake Forest typically costs $40,000 to $150,000, with strong homeowner demand across the Chicago Metro.
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FreeWhat Home Addition Returns in Lake Forest
Mid-range cost and resale value from the 2025 Remodeling Cost vs. Value report. Lake Forest is benchmarked using the East North Central regional average.
| Project | Cost | Resale Value | 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% |
Source: Remodeling Magazine 2025 Cost vs. Value. Mid-range tier.
Lake Forest Market
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Nearby areas: Chicago