Best accessory dwelling unit — Ann Arbor, MI
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
The right ADU for your property is one that balances your functional needs with the existing architecture of your main home. A great unit maximizes natural light, offers a smart floor plan, and stays within your budget. Whether you need a home office, a rental space, or housing for family, the best unit is built to last and integrates well with your yard. Exact pricing confirmed free on the call.
Frequently asked in Ann Arbor
What is the cost to build an accessory dwelling unit in Ann Arbor?
Where can I find an accessory dwelling unit contractor in Ann Arbor?
What ADU services are available in Ann Arbor?
What is the ADU construction process in Ann Arbor?
What does accessory dwelling unit mean in Ann Arbor?
In Ann Arbor, an accessory dwelling unit (ADU) means a secondary, independent living space on a single-family lot. It's separate from the main house. ADUs can be attached or detached. They are designed for occupancy by one or more people. They offer flexible housing solutions. We can help you build one.
What is the ADU building process in Ann Arbor?
Can I build a home with mother-in-law suites in Ann Arbor?
Also serving nearby: Livonia · Dearborn · Detroit · Warren · Sterling Heights
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Ann Arbor — population 119,381; about 4,213 residents per square mile across 28.3 sq mi. ZIP codes covered include 48103, 48104, 48105, 48106, 48107, 48108, 48109, 48113.
Neighborhoods served in Ann Arbor: Kerrytown, Downtown Ann Arbor, South University, North Campus, Geddes Heights — and every surrounding area.
Areas we serve
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