Accessory dwelling unit companies

Looking for accessory dwelling unit companies in Scottsdale, AZ? Call AccessoryDwellingUnit Solutions for a contact a provider — no obligation. Licensed adu builders serve Scottsdale 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

ADU companies offer end-to-end solutions, often handling everything from the first sketch to the final walk-through. You need these companies if you prefer a streamlined experience where one firm takes responsibility for design, permitting, and construction. They are ideal for homeowners who want to minimize the stress of managing multiple vendors and prefer a turnkey approach to adding a secondary residence to their property.

Frequently asked in Scottsdale

What are the disadvantages of ADUs in Scottsdale?

Potential drawbacks of an ADU can include a reduction in usable backyard space or impacts on existing landscaping. You'll also need to factor in any additional utility costs. The pros can discuss how these aspects might affect your Scottsdale property. They can help you make an informed decision.

How much does an ADU cost in Arizona?

The cost of an ADU in Arizona is highly variable, depending on the unit's size, design complexity, and the specific site conditions. Key cost factors include foundation work, utility connections, and the quality of finishes chosen. To get an accurate price for your Scottsdale project, a personalized quote is essential.

What are the rules for ADUs in Arizona?

Is an ADU allowed in Maryland?

Our services are focused on Arizona, specifically Scottsdale. We do not cover projects in Maryland. If you are planning an ADU in Maryland, you will need to find a service provider that is knowledgeable about their state and local regulations.

What are the rules for ADU in California?

We specialize in ADU projects within Arizona, not California. California has a unique set of ADU laws, often designed to encourage their development. For any ADU work in California, it's best to consult with local experts familiar with their specific codes and permitting.

Our services are based in Arizona, and we do not manage or have information on California grants. If you're in California, you'll need to investigate their state and local funding opportunities directly.

Also serving nearby: Phoenix · Glendale · Tempe · Mesa · Peoria

All cities in Arizona →

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

Service area details

244,394residents

1,328per sq mile

8ZIP codes served

Serving all of Scottsdale — population 244,394; about 1,328 residents per square mile across 184.0 sq mi. ZIP codes covered include 85250, 85251, 85252, 85254, 85255, 85256, 85257, 85258.

Neighborhoods served in Scottsdale: Old Town Scottsdale, Kierland, Gainey Ranch, DC Ranch, Silverleaf — and every surrounding area.