Dormer Addition in Phoenix, AZ — Costs $15,596 to $77,979
What does dormer addition cost in Phoenix? Average $36,390, ranging $15,596–$77,979. Labor runs $31.43/hr locally — 4% above the national average. Free breakdown with material + labor split.
Phoenix, AZ Market
+4% vs nationalLabor Rate
$31.43/hr
Material Index
103
Avg Permit Cost
$1,721
Median Home Price
$391,265
As one of the largest metros in Arizona, Phoenix has a competitive contractor market with hundreds of licensed professionals. This typically gives homeowners more leverage on pricing, though high demand for renovations can offset that advantage. Costs in Phoenix run slightly above the national average, though the gap is modest enough that smart material choices and timing can close it. The median home in Phoenix is valued at $391,265, putting this project at about 9.3% of home value — a moderate investment with a projected 65% ROI.
Low Estimate
$15,596
National: $15,000
Mid-Range
$36,390
National: $35,000
High End
$77,979
National: $75,000
Per Sq Ft
$0
National: $0
Dormer Addition Cost Calculator for Phoenix
Adjusted for Phoenix's labor rate ($31.43/hr) and material costs (index 103).
Mid-grade materials, good quality fixtures, standard options.
Estimated Total in Phoenix
$34,934
Based on 200 sq ft at mid quality, adjusted for Phoenix market rates.
Local Cost Breakdown
At Phoenix's average rate of $31.43/hr (5% above national avg)
Material cost index 103 (3% above national baseline of 100)
Dormer Addition vs. Home Value in Phoenix
| Metric | Phoenix | National Avg |
|---|---|---|
| Dormer Addition (Mid-Range) | $36,390 | $35,000 |
| Median Home Price | $391,265 | $350,000 |
| Project as % of Home Value | 9.3% | 10.0% |
| Estimated ROI | 65% | 65% |
| Median Household Income | $81,769 | $75,000 |
What Affects the Price in Phoenix
- 1Local labor rates ($31.43/hr in Phoenix)
- 2Material cost index (103 vs national 100)
- 3Dormer type
- 4Size
- 5Structural changes
- 6Roofing
Popular Upgrades
- Shed dormer
- Gable dormer
- Bathroom in dormer
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Accessory Dwelling Unit (ADU) Construction
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Home Addition
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Dormer Addition in Other Arizona Cities
Planning a Dormer Addition in Phoenix
Building permits are typically required for a dormer addition in Phoenix. The average permit fee in this area is $1,721, though costs vary based on project scope. Permit fees in this market are above average — factor them into your total budget. Plan for 4-8 weeks from start to finish.
A dormer addition is a complex project best left to licensed professionals. In Phoenix, skilled contractors charge an average of $31.43/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.
With a median household income of $81,769, many Phoenix residents can budget for this project through savings. The mid-range cost of $36,390 represents 45% of the typical household's annual income.
Dormer Addition — National Guide
See the full national cost guide with DIY tips, cost factors, and ROI analysis.
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