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
Accessory dwelling units, or ADUs, are secondary residences that share a lot with a main house. These units allow you to increase your property value and utility without buying a new home. You need these when your household needs are changing and you need more flexible living space.
Frequently asked in Dearborn
Are there accessory dwelling unit grants in Dearborn?
What are the accessory dwelling unit financing options?
Can I get an ADU estimate in Dearborn?
What is the cost to build an accessory dwelling unit in Dearborn?
Are there backyard accessory dwelling units available?
What ADU services do you offer?
What is a 24-hour ADU?
Also serving nearby: Detroit · Livonia · Warren · Sterling Heights · Ann Arbor
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Dearborn — population 105,811; about 4,363 residents per square mile across 24.2 sq mi. ZIP codes covered include 48120, 48121, 48123, 48124, 48126, 48128.
Neighborhoods served in Dearborn: Ford Field, The Southend, Oakman, Civic Center, East Dearborn — and every surrounding area.
Areas we serve
Browse by state, then city.
