Accessory dwelling unit cost

Looking for accessory dwelling unit cost 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

Pricing for an ADU is driven by the quality of finishes, the foundation type, and the complexity of your site’s terrain. Projects on flat, accessible lots are generally more affordable than those requiring significant grading or utility trenching. Exact pricing confirmed free on the call.

Frequently asked in Scottsdale

What are the disadvantages of ADUs in Scottsdale?

How much does an ADU cost?

What are the rules for ADUs in Arizona?

Arizona has state legislation that encourages ADUs, but Scottsdale's local zoning ordinances and building codes are what you must adhere to. These typically cover setbacks, lot coverage, parking, and sometimes design standards. The specialists you'll speak with are knowledgeable about these local rules.

Is an ADU allowed in Maryland?

This service is focused on Arizona, specifically Scottsdale. For information regarding ADU regulations in Maryland, you would need to consult a service provider licensed and knowledgeable in that state. We can help you explore ADU options right here in Scottsdale.

What are the rules for ADU in California?

California has enacted laws to make ADUs more accessible, but these regulations do not apply to Scottsdale. Local zoning and building codes in Arizona are the governing factors for your ADU project. Our local pros are up-to-date on Scottsdale's requirements.

That specific grant program is for California and does not apply to projects in Arizona. While there may be local financing options or incentives in Scottsdale, it's best to discuss your financial picture and potential funding with the professionals during your estimate.

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, McCormick Ranch, Gainey Ranch, DC Ranch — and every surrounding area.