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
A home with an in-law suite includes a private living space, usually with its own entrance, kitchen, and bathroom, designed to house extended family members. People seek these properties to keep aging parents or adult children close while maintaining boundaries and privacy. If your current home doesn't have one, adding an ADU can achieve the same result. Exact pricing confirmed free on the call.
Frequently asked in Ann Arbor
What are homes with mother-in-law suites like in Ann Arbor?
How do I find an affordable accessory dwelling unit in Ann Arbor?
What are the different types of ADU units available in Ann Arbor?
What is the typical accessory dwelling unit cost in Ann Arbor?
What are the benefits of prefab ADUs in Ann Arbor?
What ADU services are offered in Ann Arbor?
How do I get an ADU estimate in Ann Arbor?
Getting an ADU estimate in Ann Arbor is simple. Just call us. We'll arrange a consultation with a licensed, insured pro. They'll visit your property to assess its suitability and discuss your needs. You'll receive a detailed quote based on your specific project. This no-obligation estimate is your first step toward adding an ADU. Call today to schedule yours.
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, South University, Geddes Heights, Maple Ridge, Liberty Park — and every surrounding area.
Areas we serve
Browse by state, then city.
