Adu Company in Tempe, AZ | AccessoryDwellingUnit Experts

Looking for adu company in Tempe, AZ? Call AccessoryDwellingUnit Experts for a contact a provider — no obligation. Licensed adu builders serve Tempe 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

An ADU company manages the entire project lifecycle, from initial design and permit acquisition to the final walk-through. You need a full-service company if you want to avoid the stress of coordinating different contractors or handling complex municipal filings yourself. We act as your single point of contact, ensuring your vision is executed correctly while keeping you informed at every stage of construction. Exact pricing confirmed free on the call.

Frequently asked in Tempe

What are the disadvantages of ADUs?

Potential downsides include upfront construction costs, the time it takes to get permits approved, and how it might impact your existing yard space. You'll also need to consider ongoing maintenance for the new structure. However, for many Tempe homeowners, the long-term benefits of increased property value and rental income are significant. Discuss your specific project on a call.

How much does an ADU cost in Massachusetts?

What are the rules for ADUs in California?

California has specific state laws for ADUs, but local cities like Tempe, Arizona, also have their own zoning ordinances. These often address lot coverage, setbacks, and parking requirements. Understanding these local nuances is key to a smooth project. We can provide initial guidance when you call.

Is an ADU allowed in Arizona?

While Arizona may have its own incentive programs or financing options for ADUs, their availability can change. Understanding your project's estimated costs is the crucial first step. Ask about potential financing when you call for your estimate.

What are the rules for ADU in California?

California's ADU laws are designed to simplify the approval process and encourage more ADU development. They often include restrictions on owner occupancy requirements and standardized setback rules. Local jurisdictions, like Tempe, may have additional, specific requirements. We can help clarify these for your project.

Also serving nearby: Chandler · Gilbert · Mesa · Phoenix · Glendale

All cities in Arizona →

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

Service area details

189,834residents

4,748per sq mile

8ZIP codes served

Serving all of Tempe — population 189,834; about 4,748 residents per square mile across 40.0 sq mi. ZIP codes covered include 85280, 85281, 85282, 85283, 85284, 85285, 85287, 85288.

Neighborhoods served in Tempe: Tempe Town Lake, University Neighborhood, South Tempe, Broadway Corridor, Papago Park — and every surrounding area.