Accessory dwelling unit permit cost

Looking for accessory dwelling unit permit cost in Gilbert, AZ? Call AccessoryDwellingUnit Solutions for a contact a provider — no obligation. Licensed adu builders serve Gilbert 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 involves several moving parts that shape your total budget. The biggest factor is whether you choose a prefabricated unit or a custom build on-site. Site preparation is also significant; if your land requires extensive grading, utility trenching, or foundation work, costs will climb. Your choice of finishes—like kitchen cabinetry, flooring, and siding materials—also shifts the bottom line. We help you navigate these variables to find a setup that fits your property. Exact pricing confirmed free on the call.

About this service

Permitting is a necessary step that varies significantly depending on your local city or county regulations. These fees often cover zoning reviews, impact assessments, and building inspections. Because every jurisdiction has different fee structures, these costs fluctuate based on where your property is located. We help you navigate these requirements during the planning phase to ensure everything is handled correctly. Exact pricing confirmed free on the call.

Frequently asked in Gilbert

What are the disadvantages of ADUs in Gilbert?

Potential disadvantages can include impacts on existing yard space and privacy for both the main home and the ADU. You'll also need to consider the added utility costs. It's wise to discuss these with the pros who will assess your specific property. They can help you weigh these factors.

How much does an ADU cost in Arizona?

What are the rules for ADUs in Arizona?

Is an ADU allowed in Gilbert?

What is the accessory dwelling unit permit cost in Gilbert?

Permit costs in Gilbert are determined by the city's building department and depend on the project's valuation. These fees cover plan review and inspections. To get an estimate that includes permits, it's best to discuss your project details.

Can I add an ADU to my Gilbert property?

Whether you can add an ADU depends on your property's zoning, lot size, and adherence to local building codes. The pros can quickly assess your property's suitability. They'll let you know what's feasible for your specific situation.

Also serving nearby: Chandler · Mesa · Tempe · Phoenix · Scottsdale

All cities in Arizona →

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

Service area details

275,411residents

4,011per sq mile

7ZIP codes served

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, Windsor Creek, Isabella Estates, Circle G Ranches, Gilbert Commons — and every surrounding area.