Accessory dwelling unit construction — 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.
Frequently asked in Gilbert
What is an accessory dwelling unit rental?
An accessory dwelling unit rental refers to an ADU that is leased out to tenants. These units provide a secondary source of income for homeowners while offering affordable housing options. It's important to understand local regulations regarding rental properties in Gilbert. We can help you explore the potential for a rental ADU on your property.
What is the best accessory dwelling unit?
The 'best' ADU is subjective and depends on your specific needs and property. Factors like size, design, budget, and intended use (rental, family) are key. For Gilbert, energy efficiency and suitability for our climate are also important. We can help you explore options that best fit your lifestyle and property. Let's design the perfect ADU for you.
What are the options for accessory dwelling unit financing?
Financing an ADU in Gilbert can be approached in several ways. Many homeowners explore home equity loans or lines of credit, especially if they have built up equity. Some lenders also offer specific construction loans for ADUs. We can discuss how the potential value of your ADU might factor into financing options. It’s always best to speak with a financial advisor too.
What is involved in ADU construction?
What is the cost of an ADU?
The cost of an ADU can vary significantly based on its size, design complexity, and the materials chosen. Site conditions, such as the terrain and existing utility access, also impact the overall price. We recommend getting a custom quote to understand the investment for your specific needs. Let's discuss your project details.
What are affordable ADU options?
Affordable ADU options often involve maximizing efficient design and choosing cost-effective materials. Smaller footprints and simpler layouts can reduce overall expenses. Prefabricated or modular ADUs might also offer savings. We can explore budget-friendly strategies during your consultation. Let's find the best value for your project.
What are accessory dwelling units (ADUs)?
Accessory dwelling units (ADUs) are secondary housing units on a single-family property. They are self-contained living spaces with their own kitchens and bathrooms. ADUs can be attached to the main house or be a separate structure, like a backyard cottage. They offer flexibility for homeowners needing extra space.
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: Downtown Gilbert, Agritopia, Power Ranch, Gilbert Heights, Windsor Park — and every surrounding area.
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