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
This involves using your secondary unit as a source of monthly income by leasing it to tenants. You might consider this if you want to offset your mortgage or capitalize on high local demand for smaller housing. Success depends on local rental laws and how well the unit is designed for privacy. Exact pricing confirmed free on the call.
Frequently asked in St. Paul
What's the cost to build an accessory dwelling unit in St. Paul?
What are homes with in-law suites like in St. Paul?
What's the cost of an accessory dwelling unit in St. Paul?
The cost of an accessory dwelling unit in St. Paul is influenced by many variables, including the chosen design and materials. Simpler, smaller units generally cost less than larger, more elaborate ones. The pros can provide a detailed breakdown of costs based on your specific project requirements. This helps you budget effectively for your ADU.
What's the ADU permit process in St. Paul?
What's the best accessory dwelling unit for my property in St. Paul?
The best accessory dwelling unit for your property in St. Paul depends on factors like lot size, existing structures, and your intended use. Options include detached units, garage conversions, or attached additions. The pros can assess your property and recommend the most suitable ADU design. They consider local zoning and your specific needs.
What are homes with mother-in-law suites like in St. Paul?
Where can I find an ADU near me 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, Macalester-Groveland, Summit Hill, West 7th, Como — and every surrounding area.
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