Accessory dwelling units adus — 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
Accessory dwelling units, or ADUs, are secondary housing units on a single-family lot. They provide flexible living arrangements for families, renters, or home offices. As housing needs evolve, more people are turning to ADUs to maximize their land use and increase property utility. Exact pricing confirmed free on the call.
Frequently asked in Ann Arbor
What ADU services are available in Ann Arbor?
ADU services in Ann Arbor cover the entire process from initial concept to final completion. This includes design, navigating permits, and managing construction. Professionals ensure compliance with Ann Arbor's zoning and building codes. They can help you create anything from a detached backyard unit to an attached dwelling. The goal is a smooth and successful project.
What is the best ADU option for my Ann Arbor property?
The best ADU option for your Ann Arbor property depends on your specific needs and lot. Options include detached units (like backyard cottages), attached units (like basement or garage conversions), or additions. A professional consultation will help determine the most suitable and compliant choice for your location. Consider your goals for space and income.
What are homes with in-law suites like in Ann Arbor?
Homes with in-law suites in Ann Arbor are those that feature a secondary, self-contained living space. This can be a detached ADU or an integrated part of the main house, like a finished basement apartment. These suites offer private accommodations for family members or can be rented out. They are designed to meet Ann Arbor's housing needs.
What is involved in ADU building in Ann Arbor?
ADU building in Ann Arbor involves several critical steps. It starts with design and securing necessary permits from the city. Then comes site preparation, foundation work, framing, and roofing. Interior work includes plumbing, electrical, and HVAC. Finally, inspections ensure everything meets code before the unit is ready for occupancy.
What accessory dwelling unit services are offered in Ann Arbor?
Accessory dwelling unit services in Ann Arbor provide comprehensive support for homeowners. This includes expert design, navigating complex permitting processes, and managing all aspects of construction. They ensure your ADU meets all local regulations and quality standards. Their aim is to make adding an ADU a straightforward and successful experience.
Where can I find ADUs near me in Ann Arbor?
What is a 24-hour ADU service?
A '24-hour ADU service' typically refers to emergency repair services for existing accessory dwelling units. It does not apply to new construction, which is a planned process. If you have an urgent issue with an existing ADU, like a plumbing leak or electrical problem, qualified contractors can provide prompt assistance.
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: Burns Park, Kerrytown, North University, Old West Side, Geddes Heights — and every surrounding area.
Areas we serve
Browse by state, then city.