ADU Locator

1 Best ADU Builders in Glendale, Arizona

Verified ADU contractors and builders in Glendale, AZ

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Boyjin Development LLC

Boyjin Development, LLC is a distinguished general contracting firm based in Glendale, Arizona, with a strong focus on environmentally friendly construction practices. Established in 1962, the company boasts over six decades of experience in building custom homes, remodeling, and providing energy-efficient solutions, including cooling and heating systems.

+1 602-463-1900
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Frequently Asked Questions — ADU Builders in Glendale

How much does it cost to hire an ADU builder in Glendale?

ADU construction costs in Glendale, Arizona vary widely depending on size, type, and site conditions. Detached ADUs typically range from $150,000–$400,000+, while garage conversions and attached ADUs can be more affordable. Contact multiple builders in Glendale to get accurate quotes for your specific project.

How long does it take to build an ADU in Glendale?

In Glendale, the ADU construction timeline typically ranges from 6 to 18 months from permit application to move-in. Permitting alone can take 2–6 months depending on Arizona local regulations. Prefab and modular ADUs often have faster timelines than site-built units.

Do I need a permit to build an ADU in Glendale?

Yes, a building permit is required for ADU construction in Glendale, Arizona. Your ADU builder will typically handle the permit application as part of their service. Arizona has adopted streamlined ADU permitting laws in recent years, which may reduce wait times.

What types of ADUs can be built in Glendale?

Common ADU types in Glendale include detached ADUs (backyard cottages), attached ADUs, garage conversions, basement conversions, and prefab/modular ADUs. The best type for your property depends on lot size, zoning, and budget. A local Glendale ADU builder can advise on what's allowed on your specific parcel.