Accessory Dwelling Unit (ADU) Construction in Glendale, AZ — Costs $56,160 to $327,600
What does accessory dwelling unit (adu) construction cost in Glendale? Average $140,400, ranging $56,160–$327,600. Labor runs $27.66/hr locally — 6% below the national average. Free breakdown with material + labor split.
Glendale, AZ Market
-6% vs nationalLabor Rate
$27.66/hr
Material Index
95
Avg Permit Cost
$1,349
Median Home Price
$346,896
Glendale 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. Glendale offers slightly below-average renovation costs, giving homeowners a small cost advantage compared to most US markets. The median home in Glendale is valued at $346,896, putting this project at about 40.5% of home value — a moderate investment with a projected 80% ROI.
Low Estimate
$56,160
National: $60,000
Mid-Range
$140,400
National: $150,000
High End
$327,600
National: $350,000
Per Sq Ft
$234
National: $250
Accessory Dwelling Unit (ADU) Construction Cost Calculator for Glendale
Adjusted for Glendale's labor rate ($27.66/hr) and material costs (index 95).
Mid-grade materials, good quality fixtures, standard options.
Estimated Total in Glendale
$140,400
Based on 200 sq ft at mid quality, adjusted for Glendale market rates.
Local Cost Breakdown
At Glendale's average rate of $27.66/hr (8% below national avg)
Material cost index 95 (5% below national baseline of 100)
Accessory Dwelling Unit (ADU) Construction vs. Home Value in Glendale
| Metric | Glendale | National Avg |
|---|---|---|
| Accessory Dwelling Unit (ADU) Construction (Mid-Range) | $140,400 | $150,000 |
| Median Home Price | $346,896 | $350,000 |
| Project as % of Home Value | 40.5% | 42.9% |
| Estimated ROI | 80% | 80% |
| Median Household Income | $74,667 | $75,000 |
What Affects the Price in Glendale
- 1Local labor rates ($27.66/hr in Glendale)
- 2Material cost index (95 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 Glendale, AZ
Second Story Addition
$187,200
Room Addition
$84,240
Swimming Pool Installation
$61,022
Garage Addition
$51,480
Home Addition
$74,992
Inground Swimming Pool
$61,113
Attic Conversion
$51,403
Swimming Pool Construction
$46,730
Accessory Dwelling Unit (ADU) Construction in Other Arizona Cities
Planning a Accessory Dwelling Unit (ADU) Construction in Glendale
Building permits are typically required for a accessory dwelling unit (adu) construction in Glendale. The average permit fee in this area is $1,349, 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 Glendale, skilled contractors charge an average of $27.66/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.
For the median Glendale household earning $74,667/year, this project at $140,400 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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