Adu Services in Phoenix, AZ | AccessoryDwellingUnit Direct

Looking for adu services in Phoenix, AZ? Call AccessoryDwellingUnit Direct 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 involves variables that shift your total investment. The footprint size and complexity of the architectural design are primary factors. Are you planning a detached unit that requires new utility trenching, or is this a garage conversion that uses existing plumbing? Site accessibility, soil conditions, and your choice of finishes—like luxury flooring versus standard options—also play significant roles. Permitting fees vary widely depending on your local municipality and current zoning requirements. Exact pricing confirmed free on the call.

About this service

ADU services simplify the process of adding extra living space to your lot. Whether you are looking to create a rental unit for extra income or a private space for family members, these services handle the architectural drawings, engineering, and city approvals required by your local jurisdiction. You should reach out for these services when you have a clear goal for your backyard space but need expert help turning that vision into a permitted, livable structure.

Frequently asked in Phoenix

What are the disadvantages of ADUs?

Potential downsides can include increased utility bills and a higher demand on your property's existing infrastructure. You might also consider impacts on yard space and neighborhood parking. The pros can discuss these factors with you.

How much does an ADU cost in Phoenix?

What are the rules for ADUs in Phoenix?

Phoenix has specific zoning ordinances and building codes that govern ADU construction, including regulations on lot coverage and setbacks. It's essential to understand these rules for your property. The specialists will help you navigate these local requirements.

Is ADU allowed in Phoenix?

Yes, ADUs are permitted in many areas of Phoenix, but specific zoning regulations apply. It's important to verify the rules for your address to ensure compliance. A quick call can help confirm your property's eligibility and guide you on the next steps.

What are the rules for ADU in California?

California has state-wide ADU laws designed to encourage their development, but local jurisdictions may have some additional requirements. These can include owner-occupancy rules or specific design standards. You'll need to check with the local planning department for details.

California has offered grants to help offset ADU costs, aiming to make them more accessible. These programs often have specific eligibility criteria and application processes. The pros can advise if any current grant programs might apply to your project.

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: Scottsdale, Tempe, Glendale, Arcadia, Ahwatukee, Central Phoenix — and every surrounding area.