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
Building an affordable unit often comes down to choosing efficient designs and pre-planned layouts rather than full custom builds. By simplifying utility connections and minimizing complex excavation, you can keep your project within a reasonable budget. While we aim to make the process accessible, the final bill depends on your specific site conditions. Exact pricing confirmed free on the call.
Frequently asked in Ann Arbor
What are the accessory dwelling unit financing options in Ann Arbor?
What is a prefab ADU in Ann Arbor?
What are the ADU housing options in Ann Arbor?
How do I get an ADU quote in Ann Arbor?
What is the accessory dwelling unit cost in Ann Arbor?
Where can I find accessory dwelling unit builders near me in Ann Arbor?
What are the accessory dwelling unit services offered 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: Burns Park, South University, Kerrytown, North Maple, Old West Side, Geddes Heights — and every surrounding area.
Areas we serve
Browse by state, then city.
