The round was led by N47 with participation from Rackhouse Ventures, and Andreessen Horowitz.

XBuild is the first true AI platform built for construction, helping contractors streamline their estimating process and win more jobs. The platform generates professional proposals that save contractors hours of manual work while improving accuracy. With features including the Insurance Estimation Copilot, Roofing Proposals, and flexible subscription plans, XBuild enables roofing contractors to respond faster to opportunities, reduce estimation costs, and scale their businesses more efficiently. XBuild is positioned to be a source of truth and transparency for both the contractor and homeowner.