Home Addition in St. Peters sees strong homeowner demand across the St. Louis Metro.
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Typical Range
$40,000 to $150,000
Typical Home Addition projects in St. Peters run $40,000 to $150,000.
Mid-range cost and resale value from the 2025 Remodeling Cost vs. Value report. St. Peters is benchmarked using the West North Central regional average.
| Project | Cost | Resale Value | ROI |
|---|---|---|---|
| Accessory Dwelling Unit | $164,402 | $72,078 | 44% |
| Primary Suite Addition | Midrange | $172,589 | $67,530 | 39% |
| Primary Suite Addition | Upscale | $356,978 | $73,447 | 21% |
Source: Remodeling Magazine 2025 Cost vs. Value. Mid-range tier.
St. Peters Market
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Nearby areas: St. Louis
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