KB Home- Tucson For nearly half a century, families have turned to KB Home to experience the dream of new home ownership. Today, KB Home is one of the country's premier new home builders with a reputation for providing architectural innovation, tremendous quality, superior customer service and warranties, plus smart financing with our preferred lender, Countrywide KB Home Loans. Of course, the KB Home Studio is what makes buying a new KB home a truly personal experience. From cabinets to countertops, flooring to appliances, you'll find everything you need to create a unique and personalized home.