• Mighty Buildings

  Participated · Series B · Jul 2021

  Mighty Buildings develops 3D-printed, prefab kits and factory-built components for residential construction, using a proprietary material made of 60% recycled glass. The company manufactures parts off-site using ultraviolet curing and microfactories to enable rapid, repeatable production and automotive-grade quality control. Its printed material is described as stronger and lighter than concrete, rated for winds up to 150 mph, and compliant with California building codes including Title 24 energy requirements. Mighty shifted from selling homes directly to selling whole communities and kits to developers, aiming for larger-scale projects. The company reported roughly $5 million in revenue in 2022 and says it has a pipeline of projects in the U.S., Caribbean and Middle East potentially worth “hundreds of millions.” Mighty Buildings, based in Oakland, CA, develops construction technologies that combine 3D printing, robotics, and advanced composite materials to create panelized building systems and modular homes. The company produces a range of projects from pre-designed ADUs to single-family developments using its Mighty Kit System. Mighty Buildings is building a network of micro-factories intended to produce 200–300 homes per year in locations with housing gaps. Leadership includes CEO Slava Solonitsyn and Chief Sustainability Officer Sam Ruben. The company is pursuing a carbon neutrality roadmap that emphasizes high-throughput sustainable micro-factories, strategic supply-chain partnerships, blue-skies technology research, and new composite materials made from recycled or bio-based feedstock. As of the article, Mighty Buildings had raised a total of $100M to date. Mighty Buildings is an Oakland-based construction technology company that 3D-prints prefabricated homes and accessory dwelling units using robotics, automation and a proprietary thermoset composite called Light Stone Material (LSM). The company says its process can 3D print a 350-square-foot studio in 24 hours, operate two times faster with 95% less labor hours and produce 10-times less waste than conventional construction, and automate up to 80% of the construction process through robotic post-processing and automated insulation pouring. It manufactures panelized 3D-printed exterior shells and prefabricates certain modules (like bathrooms) in a 79,000-square-foot Oakland production facility and is currently building only in California. Mighty Houses, its single-family product line, ranges from 864 to 1,440 square feet with estimated prices of $304,000 to $420,500, and the company has produced and installed a number of ADUs and secured developer contracts. The company plans to scale production capacity and automation with the new capital, market a Mighty Kit System and a new fiber-reinforced material for multi-story projects, and develop a B2B platform to offer production-as-a-service to builders and developers. Mighty Buildings launched out of stealth last August, is a four-year-old startup and has been included on Y Combinator’s Top Companies list; the company declined to reveal its current valuation. Mighty Buildings provides a production-as-a-service platform that combines 3D printing and prefab techniques to automate up to 80% of the building process. Its factory-driven approach can 3D-print components, panels, and full-size volumetric modules, and a 350-square-foot studio unit can be printed in under 24 hours. The company reports building with 95% fewer labor hours, at double the speed of conventional construction, and producing 10x less waste; its homes cost up to 45% less than comparable traditional homes, with automated production costs 20–30% lower than traditional prefab. Mighty Buildings is certified under California’s Factory Built Housing program and was first to achieve UL 3401 certification for 3D-printed building structures and assemblies. It has installed its first two accessory dwelling units in San Ramon and San Diego and says it is ready to scale production. The company graduated from Y Combinator in winter 2018 and is launching out of stealth from San Francisco.

No current team members are available.