Gateway Homes has been building new and ready-to-move-in homes in communities throughout Houston for over 20 years. When you choose Gateway Homes as your home builder, you feel a sense of community from the very start. With new homes in Katy, Missouri City, Cypress and beyond, you're sure to find the home, and community, of your dreams. Gateway Homes - Your new home builder. Gateway, THE home builder in Houston that meets your new home needs for location, quality, community.