Accessory Dwelling Unit (ADU) Construction in Scottsdale, AZ — Costs $65,760 to $383,600
What does accessory dwelling unit (adu) construction cost in Scottsdale? Average $164,400, ranging $65,760–$383,600. Labor runs $33.66/hr locally — 10% above the national average. Free breakdown with material + labor split.
Scottsdale, AZ Market
+10% vs nationalLabor Rate
$33.66/hr
Material Index
107
Avg Permit Cost
$2,190
Median Home Price
$386,928
Scottsdale is a mid-sized city in Arizona with a healthy pool of local contractors. Homeowners generally have several options to compare for a accessory dwelling unit (adu) construction, which helps keep pricing competitive. Costs in Scottsdale 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 Scottsdale is valued at $386,928, putting this project at about 42.5% of home value — a moderate investment with a projected 80% ROI.
Low Estimate
$65,760
National: $60,000
Mid-Range
$164,400
National: $150,000
High End
$383,600
National: $350,000
Per Sq Ft
$274
National: $250
Accessory Dwelling Unit (ADU) Construction Cost Calculator for Scottsdale
Adjusted for Scottsdale's labor rate ($33.66/hr) and material costs (index 107).
Mid-grade materials, good quality fixtures, standard options.
Estimated Total in Scottsdale
$164,400
Based on 200 sq ft at mid quality, adjusted for Scottsdale market rates.
Local Cost Breakdown
At Scottsdale's average rate of $33.66/hr (12% above national avg)
Material cost index 107 (7% above national baseline of 100)
Accessory Dwelling Unit (ADU) Construction vs. Home Value in Scottsdale
| Metric | Scottsdale | National Avg |
|---|---|---|
| Accessory Dwelling Unit (ADU) Construction (Mid-Range) | $164,400 | $150,000 |
| Median Home Price | $386,928 | $350,000 |
| Project as % of Home Value | 42.5% | 42.9% |
| Estimated ROI | 80% | 80% |
| Median Household Income | $78,214 | $75,000 |
What Affects the Price in Scottsdale
- 1Local labor rates ($33.66/hr in Scottsdale)
- 2Material cost index (107 vs national 100)
- 3Attached vs detached
- 4Size and bedroom count
- 5Kitchen and bath quality
- 6Local ADU regulations
Popular Upgrades
- Full kitchen
- Separate entrance
- Solar panels for energy independence
Other Projects in Scottsdale, AZ
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$219,200
Room Addition
$98,640
Swimming Pool Installation
$70,902
Garage Addition
$60,280
Home Addition
$87,472
Inground Swimming Pool
$70,733
Attic Conversion
$60,423
Swimming Pool Construction
$54,930
Accessory Dwelling Unit (ADU) Construction in Other Arizona Cities
Planning a Accessory Dwelling Unit (ADU) Construction in Scottsdale
Building permits are typically required for a accessory dwelling unit (adu) construction in Scottsdale. The average permit fee in this area is $2,190, though costs vary based on project scope. Permit fees in this market are above average — factor them into your total budget. Plan for 6-18 months from start to finish.
A accessory dwelling unit (adu) construction is a complex project best left to licensed professionals. In Scottsdale, skilled contractors charge an average of $33.66/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.
For the median Scottsdale household earning $78,214/year, this project at $164,400 represents a significant investment. Consider financing options or phasing the work to spread costs over time.
Accessory Dwelling Unit (ADU) Construction — National Guide
See the full national cost guide with DIY tips, cost factors, and ROI analysis.
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