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Accessory dwelling unit companies — Glendale, AZ

Looking for accessory dwelling unit companies in Glendale, AZ? Call AccessoryDwellingUnit Pros for a contact a provider — no obligation. Licensed adu builders serve Glendale and the surrounding area, and you'll get straight answers on timing and what affects the price.

Last updated: September 24, 2026

What affects the price

Building an ADU is a custom project, so costs vary based on your specific choices. Site conditions are the biggest factor; if your land requires significant grading, utility extensions, or foundation work, those expenses add up quickly. Choosing high-end finishes, custom cabinetry, or complex roof lines will also push the budget higher compared to a standard design. Prefabricated units often offer predictable costs, while custom site-built structures allow for more flexibility but can be harder to estimate upfront. Exact pricing confirmed free on the call.

About this service

Frequently asked in Glendale

What are the rules for ADUs in Arizona?

Arizona has state laws that support the development of ADUs, but Glendale has its own specific zoning ordinances that must be followed. These typically cover aspects like the maximum size of the ADU, its placement on your lot, and parking requirements. Pros familiar with Glendale know these details.

How much does an ADU cost in Arizona?

The cost of an ADU in Arizona can vary significantly. Factors include the size and complexity of the design, the quality of materials chosen, and any site preparation needed in Glendale. A detailed quote tailored to your specific project is the best way to determine the exact cost.

What are the disadvantages of ADUs in Glendale?

Potential disadvantages of adding an ADU in Glendale include the initial construction investment and possible increases in property taxes or utility bills. You'll also want to consider the impact on your yard space. However, the benefits of added rental income or living space often outweigh these concerns.

Is an ADU allowed in Glendale?
What is the permit process for an ADU in Glendale?

The ADU permit process in Glendale involves submitting detailed construction plans to the city's building department for review and approval. This includes architectural drawings and site plans. Once permits are issued, construction can begin. The pros will handle this application process for you in Glendale.

What are the benefits of adding an ADU in Glendale?

Adding an ADU in Glendale offers multiple benefits, such as generating rental income, providing space for family members, or increasing your property's overall resale value. It's an efficient way to add usable square footage and functionality to your property in the Phoenix metropolitan area.

Also serving nearby: Phoenix · Surprise · Avondale · Tempe · Peoria

All cities in Arizona →

More on this: HUD ADU resources — ADU policy and financing research.

Service area details

253,855residents
3,781per sq mile
8ZIP codes served

Serving all of Glendale — population 253,855; about 3,781 residents per square mile across 67.1 sq mi. ZIP codes covered include 85301, 85302, 85303, 85304, 85305, 85306, 85307, 85308.

Neighborhoods served in Glendale: Arrowhead Ranch, The Highlands, Paloma Gardens, Cimarron, Rancho del Coronado — and every surrounding area.

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