ADUs and guest houses in Minneapolis & St. Paul
Both cities allow accessory dwelling units on most single-family lots. That means rental income, a place for aging parents, or an adult child at home — on land you already own.
What we build
- New detached ADUs (studio through two-bedroom)
- Above-garage units
- Attached ADUs with a private entry
- Basement conversion ADUs — by far the best return on cost
What it costs
| Type | Cost |
|---|---|
| Basement conversion | $70,000–$160,000 |
| Garage conversion | $95,000–$180,000 |
| Above detached garage | $160,000–$280,000 |
| New detached unit | $180,000–$400,000 |
Full breakdown in our ADU cost guide and the ADU budget worksheet.
The rent math: Twin Cities ADUs rent for roughly $1,150–$2,400/month depending on size. A basement ADU at $120,000 renting for $1,350 is close to a 10% cash yield on cost.
Start with feasibility. Setbacks, lot coverage, height limits, size caps, and utility connections decide whether your lot works. We do a fixed-fee feasibility and budget review before anyone commits to full design.
What's included
- Free, no-pressure estimate
- Licensed & fully insured crew
- Cleanup included — we leave it spotless
- Same-day or scheduled service
- Written quote, fair pricing
- 24/7 emergency response
FAQ
How much does an ADU cost in Minneapolis?
$180,000-$400,000 for a new detached unit, $160,000-$280,000 above a garage, and $70,000-$160,000 for a basement conversion.
Are ADUs legal in Minneapolis and St. Paul?
Yes, on most single-family lots, subject to size caps, setbacks, height, and lot coverage limits. We verify current zoning for your specific parcel first.
How much rent does an ADU bring in?
Roughly $1,150-$1,600 for a studio, $1,350-$1,900 for a one-bedroom, and $1,700-$2,400 for a two-bedroom in the Twin Cities.
How long does an ADU take to build?
Ten to sixteen months total, including feasibility, design, permitting, and four to seven months of construction.
Related cost guide
ADU Cost in Minneapolis & St. Paul
Real Twin Cities pricing — what you should expect to pay in 2026.
Read the guideADU & Guest House Construction near you
We cover 74+ Twin Cities cities. Pick yours: