Last updated: September 24, 2026
What affects the price
Building an ADU is a major project, and the final bill depends on a few key things. Site prep is a big factor; if your land is sloped or needs extensive utility connections, costs go up. The materials you choose—from siding to kitchen finishes—also change the math significantly. Whether you’re building a detached unit or converting an existing garage shifts the permit requirements and structural work needed. We provide exact pricing confirmed free on the call.
Frequently asked in Gilbert
What are the disadvantages of ADUs in Gilbert?
Disadvantages can include the initial cost and potential for neighborhood concerns about density. In Gilbert, you'll also want to consider water usage and how an ADU impacts your property's overall utility bills. It's important to weigh these factors against the benefits before you start.
How much does an ADU cost in Arizona?
What are the rules for ADUs in Arizona?
Arizona has state laws that streamline ADU development, but local city ordinances in Gilbert still apply. These often cover things like minimum lot size, parking requirements, and design standards. Understanding both the state and local rules is crucial for a successful build.
Can I build an ADU on my property in Gilbert?
Generally, yes, but it depends on your specific lot size and zoning. Gilbert has rules about setbacks, maximum lot coverage, and the type of ADU you can build. The pros can quickly assess your property's eligibility and guide you through the application process.
What permits are needed for an ADU in Gilbert?
You'll need building permits from the City of Gilbert, which typically involves submitting detailed plans for review. This ensures your ADU meets all safety and building code requirements. The professionals you'll speak with are familiar with these permit processes.
How long does it take to build an ADU in Gilbert?
The timeline can vary, but expect several months from design to completion. This includes design time, permit approval, and the actual construction phase. Factors like weather and contractor availability in Gilbert can also influence the schedule.
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, Windom Ranch, Val Vista Lakes, Gilbert Commons, The Willows — and every surrounding area.
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