Accessory Dwelling Unit Contractor in Tempe, AZ | AccessoryDwellingUnit Experts

Looking for accessory dwelling unit contractor 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

A dedicated contractor manages the heavy lifting of your ADU project. This involves hiring skilled tradespeople, ordering materials, and ensuring that every phase of construction passes municipal inspections. You need a contractor when you want a single point of contact to oversee the transition from a vacant backyard area to a fully finished, livable home. They bridge the gap between initial architectural designs and the final move-in date for your new space.

Frequently asked in Tempe

What are the disadvantages of ADUs in Tempe?

How much does an ADU cost in Arizona?

What are the rules for ADUs in Arizona?

Arizona has state legislation supporting ADUs, but Tempe has its own specific zoning and building ordinances that must be followed. These often address aspects such as minimum lot size, setbacks, height restrictions, and parking requirements. It's vital to work with professionals who are knowledgeable about Tempe's precise regulations for a smooth permitting process. We can help you find them.

Is ADU allowed in Tempe?

Yes, accessory dwelling units are permitted in Tempe, with the city encouraging their development as a way to increase housing options. You must adhere to Tempe's specific zoning laws and building codes, which detail requirements for size, placement, and design. Consulting with local experts familiar with Tempe's ADU regulations is key for a successful project. Call us for a free initial consultation.

Grant programs and their eligibility criteria vary widely by state and locality. It's important to research current funding opportunities that may be available in the Tempe area. A qualified ADU professional can help you explore any relevant incentives or financing options. Let us help you find out.

Can I put an ADU on my Tempe property?

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: Downtown Tempe, University District, ASU Research Park, The Lakes — and every surrounding area.