🏡 Home Addition Cost Guide
How much does a home addition cost? See typical prices by region, with a full breakdown of labor vs. materials.
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National Average Cost
$39,000 – $126,000
For a typical 300 sq ft home addition. Enter your details for a precise local estimate.
Cost by Region
| Region | Low | Mid | High |
|---|---|---|---|
| Northeast | $52,500 | $75,000 | $114,000 |
| Southeast | $39,000 | $60,000 | $93,000 |
| Midwest | $42,000 | $63,000 | $97,500 |
| Southwest | $42,000 | $63,000 | $97,500 |
| West | $57,000 | $84,000 | $126,000 |
Based on a 300 sq ft project.
What Affects the Cost?
- •Size: Larger projects cost more in total but often less per square foot due to economies of scale.
- •Location: Labor rates in coastal cities can be 30–50% higher than rural Midwest markets.
- •Materials: Economy vs. premium material choices can double the cost per square foot.
- •Contractor experience: Licensed, experienced contractors charge more but typically deliver better results.
- •Season: Spring and summer are peak demand, often pushing prices up 10–15%.
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Recommended Materials & Tools
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Home Addition Cost by State
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How big is your home addition?
A bedroom addition is typically 150–300 sq ft.
sq ft
100 sq ft1000 sq ft
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