Mighty Buildings’ studio design on display in Del Mar. Photo by Chris Jennewein

Mighty Buildings, an Oakland-based startup, is introducing San Diego homeowners to an accessory dwelling unit constructed via a giant 3D-printing process.

The company’s 350-square-foot studio model — the smallest in its line of prefabricated dwellings — features a compact kitchen with stove, refrigerator and dishwasher and a full bathroom with built-in washer and dryer.

The unit itself costs $115,000, and Mighty Buildings will handle permits and installation for an additional fee as part of a 3-to-4-month turnkey project.

The studio model qualifies as an accessary dwelling unit, and can also be used as a pool house or home office. Larger units are available, up to a 1,440-square-foot 2-bedroom, 2-bath house for $287,000.

Mighty Buildings uses a giant 3D printer and robots to construct floor, walls and ceiling over a steel frame. A completed unit is trucked to its destination and lowered into place by a crane.

A demo unit is set up at Flower Hill Promenade on Via De La Valle in Del Mar.

Tours can be scheduled through April on the Mighty Buildings website.

The kitchen and laundry of the Mighty Buildings studio.
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Chris Jennewein

Chris Jennewein is Editor & Publisher of Times of San Diego.