Adu cost — St. Paul, MN
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
Total ADU costs are driven by the foundation type, the complexity of plumbing and electrical runs, and your choice of fixtures. We provide a clear breakdown of where your money goes so you know exactly what you are paying for from day one. Exact pricing confirmed free on the call.
Frequently asked in St. Paul
How do I find an affordable accessory dwelling unit in St. Paul?
Who is a good ADU builder in St. Paul?
What are ADU units in St. Paul?
Can I get an accessory dwelling unit near me in St. Paul?
What's the difference between ADU housing and traditional housing in St. Paul?
What is the accessory dwelling unit permit cost in St. Paul?
What are accessory dwelling unit services in St. Paul?
Also serving nearby: Minneapolis · Bloomington · Rochester · Duluth · Sioux Falls
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of St. Paul — population 303,820; about 5,845 residents per square mile across 52.0 sq mi.
Neighborhoods served in St. Paul: Highland Park, Mac-Groveland, Summit-University, West 7th, North End — and every surrounding area.
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