3-bed detached (max)
Upside Three
The Upside Three is a 1,200 sq ft detached three-bedroom, two-bath ADU — the largest size California allows for a detached unit, with full-size kitchen, living, and laundry. It is built as a true second residence for multigenerational families or premium rentals that need a full house, not a small unit.
Best for: Full-house multigenerational living or the highest-rent detached unit.
Delivered as a detached adu.
What's included
- Three bedrooms and two full bathrooms at 1,200 sq ft
- Full-size kitchen, dining, and living areas
- Maximum detached size allowed by California law
- Separate HVAC, separate metering, full laundry room
- Highest rent and resale lift of the lineup
Specifications
| Bedrooms | 3 |
|---|---|
| Bathrooms | 2 |
| Size | 1,200 sq ft |
| Starting price | $300,000 |
| Typical rent | $2,600–$3,200 / mo |
Specs are for the standard 3-bedroom configuration. Layout, finishes, and final size are confirmed during design and may vary with your lot.
Run your numbers
Estimate this model
The Upside Three is pre-loaded below as a detached adu. Adjust size and city to see your turnkey cost, financed payment, and rental return.
Estimate your ADU
Ballpark 2026 turnkey cost, financing, and rental return for your area.
Estimated turnkey cost
$250–$360 / sq ft · incl. design, permits & construction
Estimates only — 2026 regional ranges, not a bid. Your real price depends on site conditions, finishes, and your lot. We confirm with a free feasibility check.
Explore the full model lineup
Build the Upside Three across the Sacramento region
Plan this build
Build the Upside Three in your backyard
Tell us your lot and goals — we'll confirm this model fits, modify it where needed, and send a transparent, all-in quote.