Skip to main content
ADU Permit ServicesPhoenix, AZ

Best ADU permit services in Phoenix, Arizona

Looking for the best ADU permit services in Phoenix, Arizona? Our directory features 19 vetted adu permit services serving the Phoenix area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.

19 adu permit services found
Average rating: 4.5

Top ADU permit services in Phoenix

Verified

The Ranch Mine

Phoenix, AZ
5.0(28)
Architectural Design

We are a national award-winning architecture firm that specializes in designing homes that connect you with nature...

Why Choose ADU Permit Services in Phoenix?

Phoenix is one of the top markets for accessory dwelling units in Arizona. With growing demand for affordable housing, ADU construction in Phoenix offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of adu permit services in Phoenix helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.

What to Look for in ADU permit services

  • 1
    Licensed and insured adu permit services with experience in Phoenix
  • 2
    Knowledge of Phoenix zoning laws and ADU permit requirements
  • 3
    Portfolio of completed ADU projects in the Phoenix area
  • 4
    Transparent pricing and detailed project timelines
  • 5
    Strong reviews and ratings from local homeowners
  • 6
    Warranty coverage on construction and materials

Frequently Asked Questions

How much does it cost to build an ADU in Phoenix?

ADU construction costs in Phoenix typically range from $150,000 to $350,000 depending on size, design, and finishes. Garage conversions are generally less expensive ($80,000–$150,000), while custom-built detached ADUs can cost more. Get free quotes from our listed adu permit services to compare prices.

Do I need a permit to build an ADU in Phoenix, Arizona?

Yes, ADU construction in Phoenix requires building permits. Arizona has specific ADU regulations, and local zoning laws may have additional requirements. Our listed builders can help you navigate the permitting process.

How long does it take to build an ADU in Phoenix?

ADU construction timelines in Phoenix typically range from 4–12 months, depending on the project type. Prefab ADUs can be installed in 2–4 months, while custom builds may take 8–12 months including design and permitting.

Get Free ADU Quotes

Compare quotes from top adu permit services in Phoenix.