Looking for accessory dwelling unit near me in Phoenix, AZ? Call AccessoryDwellingUnit Experts for a contact a provider — no obligation. Licensed adu builders serve Phoenix 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 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.

About this service

Searching for an ADU near you is the first step toward finding a local team that understands your neighborhood’s specific requirements. Whether you are looking for a detached cottage or an attached unit, working with local experts ensures your project follows regional ordinances and climate considerations. This approach is best when you are starting the planning phase and want to see examples of nearby work or need a team that can easily visit your property for a consultation.

Frequently asked in Phoenix

What are the disadvantages of ADUs in Phoenix?

How much does an ADU cost in Phoenix?

What are the rules for ADUs in Phoenix?

Is an ADU allowed in Phoenix?

Yes, accessory dwelling units are permitted in Phoenix, with the city actively encouraging their development to increase housing options. However, it's essential to work with local experts to confirm your property's eligibility and compliance. They can verify all site-specific zoning and building codes.

While there might not be a direct federal grant of that amount, there could be other financing options. A knowledgeable pro can help you research potential funding sources. They can guide you on available financial avenues for your project.

What are the rules for ADUs in California?

California has state laws that streamline ADU development, often setting minimum standards for local jurisdictions. These laws typically address size, setbacks, and permitting processes. These regulations differ from those in Phoenix. A Phoenix-based expert will know the precise local requirements for your area.

Also serving nearby: Glendale · Scottsdale · Tempe · Peoria · Surprise

All cities in Arizona →

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

Service area details

1,650,070residents

3,183per sq mile

8ZIP codes served

Serving all of Phoenix — population 1,650,070; about 3,183 residents per square mile across 518.3 sq mi. ZIP codes covered include 85001, 85002, 85003, 85004, 85005, 85006, 85007, 85008.

Neighborhoods served in Phoenix: Arcadia, Biltmore, Camelback East, Ahwatukee, North Mountain — and every surrounding area.