Nine Four Ventures is a pre-seed to Series A stage venture capital firm deploying capital across proptech, real estate, fintech, and marketplace sectors. They invest as early-stage backers of founders impacting the people, processes, and ecosystems that interact with the built world, supported by institutional real estate owner and corporate LPs including Ace Hardware and State Farm. The firm differentiates itself as a vertically integrated real estate technology fund with 30+ years of real estate experience, backing companies including Knock, Cherre, and Roofstock.