BotBuilt Inc., a startup using robots to speed up residential construction projects, has raised $12.4 million in seed funding to finance growth initiatives.
TechCrunch reported the investment today. BotBuilt’s backers are said to include Y Combinator, Ambassador Supply, Shadow Ventures and Owens Corning, a publicly traded building supplies provider. The capital infusion gives the company a post-money valuation of $35 million.
A house’s framing, the wood and metal skeleton that supports its structure, is usually assembled by hand. The manual nature of the task means that there’s a significant risk of human error. According to BotBuilt, mistakes that occur during the framing assembly process can lead to material waste and project delays.
As of January 1, 2026, we have united our portfolio of companies under the one “Rival” brand: Rival Residential, Rival Commercial, and Rival Rural. Same team, same service—now just better together.