A home addition in Phoenix typically costs between $24,500 and $147,000, with most homeowners paying around $58,800. Local construction costs in Phoenix run close to the national average, so prices here differ from the U.S. typical of $60,000.
Here's roughly how a typical $58,800 home addition in Phoenix breaks down by component:
| Component | Typical range |
|---|---|
| Foundation & framing | $12,900 – $16,500 |
| Roofing & exterior | $8,800 – $11,800 |
| Interior finish | $11,800 – $15,300 |
| MEP & permits | $8,800 – $12,900 |
The biggest factors are project size and scope, the materials and finishes you choose, structural or permit work, and your contractor's rates. Because labor and materials in Phoenix, AZ are close to the national average, the same project can cost noticeably more or less than in other metros.
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⚡ Check my quote freeMost home addition projects in Phoenix, AZ run between $24,500 and $147,000, with a typical project around $58,800. Your final price depends on size, materials and the contractor.
Construction labor and materials in Phoenix are close to the U.S. average, which is why local prices sit lower than the national typical of $60,000.
Compare each line item to the breakdown above, and get at least three itemized bids. You can also upload your quote to Bylder's free AI checker to instantly flag overpriced items.