Best accessory dwelling unit — Gilbert, AZ
Last updated: September 24, 2026
What affects the price
Building an ADU involves several moving parts that shape your total investment. The final figure depends heavily on whether you choose a prefab unit or a custom build from the ground up. Site conditions are another major factor; if your property requires extensive grading, utility trenching, or foundation work, costs will climb. You also have to consider your choice of finishes, like high-end appliances or custom cabinetry. Navigating local permit fees and impact assessments also adds to the total.
About this service
Frequently asked in Gilbert
What are accessory dwelling unit homes like in Gilbert?
What permit is needed for an ADU in Gilbert?
Can I get an ADU quote for my Gilbert property?
What are prefab ADUs, and are they an option in Gilbert?
What is an ADU unit, and what does it include?
What are accessory dwelling unit builders near me in Gilbert?
Are there accessory dwelling unit grants available in Gilbert?
Also serving nearby: Chandler · Mesa · Tempe · Phoenix · Scottsdale
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Gilbert — population 275,411; about 4,011 residents per square mile across 68.7 sq mi. ZIP codes covered include 85233, 85234, 85295, 85296, 85297, 85298, 85299.
Neighborhoods served in Gilbert: Power Ranch, Agritopia, Gilbert Heights, Windsor Park, The Islands, Val Vista Lakes — and every surrounding area.
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