Micro Mods · LADBS Pre-Approved
The Trio
Model U720-32 · LGS Panels
Pricing on request Request a quote for your site, or configure and we'll follow up.
A three-bedroom home in 720 sq ft, California ADU-exemption compliant.
The Model
Inside The Trio
The Trio fits three bedrooms and two baths into a footprint that qualifies under California's ADU exemptions, maximum dwelling, minimum red tape. A complete family home for the backyard.
- 3 bedrooms, 2 bathrooms
- CA ADU-exemption compliant
- Open kitchen and living core
- Assembled on site and ready to connect
Floor Plans
The Trio layout
Detailed floor plans and full spec sheets available on request.
Virtual Tour
Walk through The Trio

LGS Panels
Built in the factory. Finished on your site.
The Trio is produced inside Cal Steel Modular's owned facility, from steel coil to finished structure. Light gauge steel framing means it's non-combustible, dimensionally precise, and delivered far faster than anything built in the open.
- Non-combustible steel framing
- Factory tolerances and quality control
- Panelized in steel, assembled on site
Step into the configurator
Now, make The Trio yours.
You've seen the model and the layout. Next, choose your structural upgrades, finishes, and add-ons, and we’ll follow up with pricing for your build.



