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
Frequently asked in Dearborn
What ADU services are available in Dearborn?
What is involved in ADU construction in Dearborn?
What are accessory dwelling unit rentals in Dearborn?
What are modular accessory dwelling units in Dearborn?
What ADU building services are offered in Dearborn?
Are there accessory dwelling unit grants in Dearborn?
What is a detached accessory dwelling unit in Dearborn?
A detached accessory dwelling unit in Dearborn is a standalone structure on your property, separate from the main house. This could be a backyard cottage or a garage conversion. It offers maximum privacy for occupants. The pros can help you design and build a detached ADU that fits your Dearborn property and meets all regulations.
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: Fordson, Ten Eyck, The Wagner, South Dearborn, Dearborn Heights, Melvindale — and every surrounding area.
Areas we serve
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