ADU - One 400

Our ADU – One provides an additional living quarters complete with plumbing, heating/cooling, and electrical.

Key Features

  • 400 sqft from the exterior wall (12′ x 32′ nominal size)
  • 368 sqft net interior space inside
  • Prefabricated panel system allows for fast installation
  • Concrete slab on grade foundation
  • Finished inside and out, including appliances
  • Air conditioning and heating system
  • Premium black windows and doors
  • Customizable finishes, deck, and hardscape

Get started by requesting a free planning session with a Wellmade ADU and home office expert today!

Contact Us To Get Started

Learn more, ask questions. Go from contract to completion in 60 days!

“I still can’t believe the quality for price ratio offered by Well Made. They took care of everything from start to finish. The entire team was professional throughout the process, going above and beyond to create a quality building that blends into our space.”

Mark Lieberwitz

Piedmont, CA


Schedule A Consultation

Hop on to a Zoom call with one of our expert team members, and discuss your project's unique needs - whether they be financing, project, or timeline related.

Customize Your ADU One 400

Select the features & customizations of your ADU One 400

Build Your Dream!

We get started and build your dream. From start to finish, we drive your project to the finish line and take care of all the details. You just enjoy watching the magic happen - that's it.

Design Your Perfect ADU Vision

Design the perfect ADU One: personalized, modern, and sleek. Larger than the ADU Studio, the ADU One offers a separate bedroom for additional privacy and space, making the unit feel more like a home of its own. Guests will be amazed by your private suite when they come to visit. Allow a cohabitating family member to maintain independence while keeping familial support. Use the ADU One as your home getaway and sanctuary. ADU One can do it all. Simply book a call with a member of our team, and allow us to help you set your vision and intentions for the space.

See This Model in Your Space!

Take us outside with your phone or tablet and position this model in your backyard. You'll see your property through your camera with our unit placed where you want it. There's no better way to make sure it will all come together.

View Finished Projects for More Inspiration

We build custom studios and ADUs to fit any lifestyle. We offer many options to meet your needs, whether you want a cozy room for self-care or to peak your production in a private new workspace. Check out our finished projects, get inspired and let us help you create your dream space.

What Our Clients Say

At Wellmade, we let our work speak for itself. Now, we would like to let our clients speak for us.

Mark Lieberwitz

Piedmont, CA

“I still can't believe the quality for price ratio offered by Well Made. They took care of everything from start to finish. The entire team was professional throughout the process, going above and beyond to create a quality building that blends into our space.”

Tim Maes

Piedmont, CA

"We couldn't be happier with the end product. WellMade team has been the ideal partner in the design-build process for our backyard office shed."

Ready to Get Started On Your Dream Project?

Book a complimentary consultation and planning session below!

We conduct our free consultations via Zoom, where we discuss and plan your dream custom shed or accessory dwelling unit. Then, we provide you with a quote that suits your project as well as your budget and then construct your vision.